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| Author | Pietanza, L.D.; Guaitella, O.; Aquilanti, V.; Armenise, I.; Bogaerts, A.; Capitelli, M.; Colonna, G.; Guerra, V.; Engeln, R.; Kustova, E.; Lombardi, A.; Palazzetti, F.; Silva, T. | ||||
| Title | Advances in non-equilibrium $$\hbox {CO}_2$$ plasma kinetics: a theoretical and experimental review | Type | A1 Journal Article | ||
| Year | 2021 | Publication | European Physical Journal D | Abbreviated Journal | Eur Phys J D |
| Volume | 75 | Issue | 9 | Pages | 237 |
Keywords  |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | Numerous applications have required the study of CO2 plasmas since the 1960s, from CO2 lasers to spacecraft heat shields. However, in recent years, intense research activities on the subject have restarted because of environmental problems associated with CO2 emissions. The present review provides a synthesis of the current state of knowledge on the physical chemistry of cold CO2 plasmas. In particular, the different modeling approaches implemented to address specific aspects of CO2 plasmas are presented. Throughout the paper, the importance of conducting joint experimental, theoretical and modeling studies to elucidate the complex couplings at play in CO2 plasmas is emphasized. Therefore, the experimental data that are likely to bring relevant constraints to the different modeling approaches are first reviewed. Second, the calculation of some key elementary processes obtained with semi-empirical, classical and quantum methods is presented. In order to describe the electron kinetics, the latest coherent sets of cross section satisfying the constraints of “electron swarm” analyses are introduced, and the need for self-consistent calculations for determining accurate electron energy distribution function (EEDF) is evidenced. The main findings of the latest zero-dimensional (0D) global models about the complex chemistry of CO2 and its dissociation products in different plasma discharges are then given, and full state-to-state (STS) models of only the vibrational-dissociation kinetics developed for studies of spacecraft shields are described. Finally, two important points for all applications using CO2 containing plasma are discussed: the role of surfaces in contact with the plasma, and the need for 2D/3D models to capture the main features of complex reactor geometries including effects induced by fluid dynamics on the plasma properties. In addition to bringing together the latest advances in the description of CO2 non-equilibrium plasmas, the results presented here also highlight the fundamental data that are still missing and the possible routes that still need to be investigated. | ||||
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| Language | Wos | 000692394800001 | Publication Date | 2021-09-01 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1434-6060 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 1.288 | Times cited | Open Access | OpenAccess | |
| Notes | Russian Science Foundation, project 19-11-00041 ; Marie Skłodowska-Curie Actions, grant agreement 813393 grant agreement 813393 ; H2020 Marie Skłodowska-Curie Actions, grant agreement 813393 grant agreement 813393 ; Fundação para a Ciência e a Tecnologia, UIDB/50010/2020 and UIDP/50010/2020 UIDB/50010/2020 and UIDP/50010/2020 ; Università degli Studi di Perugia, AMIS project (Dipartimenti di Eccellenza-2018-2022) Dipartimento di Chimica, Biologia e Biotecnologie (Fondo Ricerca di Base 2019 program)) ; agenzia spaziale italiana, ASI N. 2019-3-U.0 ; The work of Kustova is supported by the Russian Science Foundation, project 19-11-00041. The work of Guerra, Bogaerts, Engeln and Guaitella has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie SklodowskaCurie grant agreement No 813393, Guerra and Silva were partially funded by the Portuguese FCT – Fundação para | Approved | Most recent IF: 1.288 | ||
| Call Number | PLASMANT @ plasmant @c:irua:181081 | Serial | 6809 | ||
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| Author | Bruggeman, P.J.; Bogaerts, A.; Pouvesle, J.M.; Robert, E.; Szili, E.J. | ||||
| Title | Plasma–liquid interactions | Type | A1 Journal Article | ||
| Year | 2021 | Publication | Journal Of Applied Physics | Abbreviated Journal | J Appl Phys |
| Volume | 130 | Issue | 20 | Pages | 200401 |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | Publication Date | 2021-11-28 | ||
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0021-8979 | ISBN | Additional Links | UA library record | |
| Impact Factor | 2.068 | Times cited | Open Access | OpenAccess | |
| Notes | Approved | Most recent IF: 2.068 | |||
| Call Number | PLASMANT @ plasmant @c:irua:184245 | Serial | 6830 | ||
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| Author | Zheng, J.; Zhang, H.; Lv, J.; Zhang, M.; Wan, J.; Gerrits, N.; Wu, A.; Lan, B.; Wang, W.; Wang, S.; Tu, X.; Bogaerts, A.; Li, X. | ||||
| Title | Enhanced NH3Synthesis from Air in a Plasma Tandem-Electrocatalysis System Using Plasma-Engraved N-Doped Defective MoS2 | Type | A1 Journal Article | ||
| Year | 2023 | Publication | JACS Au | Abbreviated Journal | JACS Au |
| Volume | 3 | Issue | 5 | Pages | 1328-1336 |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | We have developed a sustainable method to produce NH3 directly from air using a plasma tandem-electrocatalysis system that operates via the N2−NOx−NH3 pathway. To efficiently reduce NO2− to NH3, we propose a novel electrocatalyst consisting of defective N-doped molybdenum sulfide nanosheets on vertical graphene arrays (N-MoS2/VGs). We used a plasma engraving process to form the metallic 1T phase, N doping, and S vacancies in the electrocatalyst simultaneously. Our system exhibited a remarkable NH3 production rate of 7.3 mg h−1 cm−2 at −0.53 V vs RHE, which is almost 100 times higher than the state-of-the-art electrochemical nitrogen reduction reaction and more than double that of other hybrid systems. Moreover, a low energy consumption of only 2.4 MJ molNH3−1 was achieved in this study. Density functional theory calculations revealed that S vacancies and doped N atoms play a dominant role in the selective reduction of NO2− to NH3. This study opens up new avenues for efficient NH3 production using cascade systems. | ||||
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| Language | Wos | 000981779300001 | Publication Date | 2023-05-22 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 2691-3704 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | Not_Open_Access | ||
| Notes | ACKNOWLEDGMENTS This work was supported by the National Natural Science Foundation of China (51976191, 5227060056, 52276214) and the National Key Technologies R&D Program of China (2018YFE0117300). N.G. was financially supported through an NWO Rubicon Grant (019.202EN.012). X.T. acknowl- edges the support of the Engineering and Physical Sciences Research Council (EP/X002713/1). | Approved | Most recent IF: NA | ||
| Call Number | PLASMANT @ plasmant @c:irua:196761 | Serial | 8792 | ||
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| Author | Tampieri, F.; Espona-Noguera, A.; Labay, C.; Ginebra, M.-P.; Yusupov, M.; Bogaerts, A.; Canal, C. | ||||
| Title | Does non-thermal plasma modify biopolymers in solution? A chemical and mechanistic study for alginate | Type | A1 Journal Article | ||
| Year | 2023 | Publication | Biomaterials Science | Abbreviated Journal | |
| Volume | Issue | Pages | |||
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | In the last decades, non-thermal plasma has been extensively investigated as a relevant tool for various biomedical applications, ranging from tissue decontamination to regeneration and from skin treatment to tumor therapies. This high versatility is due to the different kinds and amount of reactive oxygen and nitrogen species that can be generated during a plasma treatment and put in contact with the biological target. Some recent studies report that solutions of biopolymers with the ability to generate hydrogels, when treated with plasma, can enhance the generation of reactive species and influence their stability, resulting thus in the ideal media for indirect treatments of biological targets. The direct effects of the plasma treatment on the structure of biopolymers in water solution, as well as the chemical mechanisms responsible for the enhanced generation of RONS, are not yet fully understood. In this study, we aim at filling this gap by investigating, on the one hand, the nature and extent of the modifications induced by plasma treatment in alginate solutions, and, on the other hand, at using this information to explain the mechanisms responsible for the enhanced generation of reactive species as a consequence of the treatment. The approach we use is twofold: (i) investigating the effects of plasma treatment on alginate solutions, by size exclusion chromatography, rheology and scanning electron microscopy and (ii) study of a molecular model (glucuronate) sharing its chemical structure, by chromatography coupled with mass spectrometry and by molecular dynamics simulations. Our results point out the active role of the biopolymer chemistry during direct plasma treatment. Short-lived reactive species, such as OH radicals and O atoms, can modify the polymer structure, affecting its functional groups and causing partial fragmentation. Some of these chemical modifications, like the generation of organic peroxide, are likely responsible for the secondary generation of long-lived reactive species such as hydrogen peroxide and nitrite ions. This is relevant in view of using biocompatible hydrogels as vehicles for storage and delivery reactive species for targeted therapies. | ||||
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| Language | Wos | 000973699000001 | Publication Date | 2023-04-11 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 2047-4830 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 6.6 | Times cited | Open Access | Not_Open_Access | |
| Notes | Agència de Gestió d’Ajuts Universitaris i de Recerca, SGR2022-1368 ; H2020 European Research Council, 714793 ; European Cooperation in Science and Technology, CA19110 CA20114 ; Secretaría de Estado de Investigación, Desarrollo e Innovación, PID2019-103892RB-I00/AEI/10.13039/501100011033 ; We thank Gonzalo Rodríguez Cañada and Xavier Solé-Martí (Universitat Politècnica de Catalunya) for help in collecting some of the experimental data and for the useful discussions. This work has been primarily funded by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (grant agreement no. 714793). The authors acknowledge MINECO for PID2019103892RB-I00/AEI/10.13039/501100011033 project (CC). The authors belong to SGR2022-1368 (FT, AEN, CL, MPG, CC) and acknowledge Generalitat de Catalunya for the ICREA Academia Award for Excellence in Research of CC. We thank also COST Actions CA20114 (Therapeutical Applications of Cold Plasmas) and CA19110 (Plasma Applications for Smart and Sustainable Agriculture) for the stimulating environment provided. | Approved | Most recent IF: 6.6; 2023 IF: 4.21 | ||
| Call Number | PLASMANT @ plasmant @c:irua:196773 | Serial | 8794 | ||
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| Author | Wang, J.; Zhang, K.; Mertens, M.; Bogaerts, A.; Meynen, V. | ||||
| Title | Plasma-based dry reforming of methane in a dielectric barrier discharge reactor: Importance of uniform (sub)micron packings/catalysts to enhance the performance | Type | A1 Journal Article | ||
| Year | 2023 | Publication | APPLIED CATALYSIS B-ENVIRONMENTAL | Abbreviated Journal | |
| Volume | 337 | Issue | Pages | 122977 | |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | This study presents new insights on the effect of (sub)micrometer particle sized materials in plasma-based CO2- CH4 reforming by investigating the performance of SiO2 spheres (with/without supported metal) of varying particle sizes. (Sub)micron particles synthesized through the St¨ober method were used instead of (sub)millimeter particles employed in previous studies. Increasing particle size (from 120 nm to 2390 nm) was found to first increase and then decrease conversion and energy yield, with optimal performance achieved using 740 nm 5 wt% Ni loaded SiO2, which improved CO2 and CH4 conversion, and energy yield to 44%, 55%, and 0.271 mmol/kJ, respectively, compared to 20%, 27%, and 0.116 mmol/kJ in an empty reactor at the same flow rate. This is the first to achieve significant performance improvement in a fully packed reactor, highlighting the importance of selecting a suitable particle size. The findings can offer guidance towards rational design of catalysts for plasmabased reactions. |
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| Language | Wos | 001056527600001 | Publication Date | 2023-06-09 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0926-3373 | ISBN | Additional Links | UA library record; WoS full record | |
| Impact Factor | 22.1 | Times cited | Open Access | Not_Open_Access | |
| Notes | This work is supported by the China Scholarship Council (No. 201806060123); and the VLAIO Catalisti transition project CO2PERATE (HBC.2017.0692). K.Z acknowledges the EASiCHEM project funded by the Flemish Strategic Basic Research Program of the Catalisti cluster and Flanders Innovation & Entrepreneurship (HBC.2018.0484). | Approved | Most recent IF: 22.1; 2023 IF: 9.446 | ||
| Call Number | PLASMANT @ plasmant @c:irua:196955 | Serial | 8797 | ||
| Permanent link to this record | |||||
| Author | Wang, J.; Zhang, K.; Mertens, M.; Bogaerts, A.; Meynen, V. | ||||
| Title | Plasma-based dry reforming of methane in a dielectric barrier discharge reactor: Importance of uniform (sub)micron packings/catalysts to enhance the performance | Type | A1 Journal Article | ||
| Year | 2023 | Publication | APPLIED CATALYSIS B-ENVIRONMENTAL | Abbreviated Journal | |
| Volume | 337 | Issue | Pages | 122977 | |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | This study presents new insights on the effect of (sub)micrometer particle sized materials in plasma-based CO2- CH4 reforming by investigating the performance of SiO2 spheres (with/without supported metal) of varying particle sizes. (Sub)micron particles synthesized through the St¨ober method were used instead of (sub)millimeter particles employed in previous studies. Increasing particle size (from 120 nm to 2390 nm) was found to first increase and then decrease conversion and energy yield, with optimal performance achieved using 740 nm 5 wt% Ni loaded SiO2, which improved CO2 and CH4 conversion, and energy yield to 44%, 55%, and 0.271 mmol/kJ, respectively, compared to 20%, 27%, and 0.116 mmol/kJ in an empty reactor at the same flow rate. This is the first to achieve significant performance improvement in a fully packed reactor, highlighting the importance of selecting a suitable particle size. The findings can offer guidance towards rational design of catalysts for plasmabased reactions. |
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 001056527600001 | Publication Date | 2023-06-09 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0926-3373 | ISBN | Additional Links | UA library record; WoS full record | |
| Impact Factor | 22.1 | Times cited | Open Access | Not_Open_Access | |
| Notes | This work is supported by the China Scholarship Council (No. 201806060123); and the VLAIO Catalisti transition project CO2PERATE (HBC.2017.0692). K.Z acknowledges the EASiCHEM project funded by the Flemish Strategic Basic Research Program of the Catalisti cluster and Flanders Innovation & Entrepreneurship (HBC.2018.0484). | Approved | Most recent IF: 22.1; 2023 IF: 9.446 | ||
| Call Number | PLASMANT @ plasmant @c:irua:196955 | Serial | 8798 | ||
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| Author | Adhami Sayad Mahaleh, M.; Narimisa, M.; Nikiforov, A.; Gromov, M.; Gorbanev, Y.; Bitar, R.; Morent, R.; De Geyter, N. | ||||
| Title | Nitrogen Oxidation in a Multi-Pin Plasma System in the Presence and Absence of a Plasma/Liquid Interface | Type | A1 Journal Article | ||
| Year | 2023 | Publication | Applied Sciences | Abbreviated Journal | Applied Sciences |
| Volume | 13 | Issue | 13 | Pages | 7619 |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | The recent energy crisis revealed that there is a strong need to replace hydrocarbon-fueled industrial nitrogen fixation processes by alternative, more sustainable methods. In light of this, plasma-based nitrogen fixation remains one of the most promising options, considering both theoretical and experimental aspects. Lately, plasma interacting with water has received considerable attention in nitrogen fixation applications as it can trigger a unique gas- and liquid-phase chemistry. Within this context, a critical exploration of plasma-assisted nitrogen fixation with or without water presence is of great interest with an emphasis on energy costs, particularly in plasma reactors which have potential for large-scale industrial application. In this work, the presence of water in a multi-pin plasma system on nitrogen oxidation is experimentally investigated by comparing two pulsed negative DC voltage plasmas in metal–metal and metal–liquid electrode configurations. The plasma setups are designed to create similar plasma properties, including plasma power and discharge regime in both configurations. The system energy cost is calculated, considering nitrogen-containing species generated in gas and liquid phases as measured by a gas analyzer, nitrate sensor, and a colorimetry method. The energy cost profile as a function of specific energy input showed a strong dependency on the plasma operational frequency and the gas flow rate, as a result of different plasma operation regimes and initiated reverse processes. More importantly, the presence of the plasma/liquid interface increased the energy cost up to 14 ± 8%. Overall, the results showed that the presence of water in the reaction zone has a negative impact on the nitrogen fixation process. | ||||
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| Language | Wos | 001031217300001 | Publication Date | 2023-06-28 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 2076-3417 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 2.7 | Times cited | Open Access | Not_Open_Access | |
| Notes | NITROPLASM FWO-FNRS Excellence of Science, 30505023 ; European Union-NextGenerationEU, G0G2322N ; | Approved | Most recent IF: 2.7; 2023 IF: 1.679 | ||
| Call Number | PLASMANT @ plasmant @c:irua:198153 | Serial | 8802 | ||
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| Author | Abduvokhidov, D.; Yusupov, M.; Shahzad, A.; Attri, P.; Shiratani, M.; Oliveira, M.C.; Razzokov, J. | ||||
| Title | Unraveling the Transport Properties of RONS across Nitro-Oxidized Membranes | Type | A1 Journal Article | ||
| Year | 2023 | Publication | Biomolecules | Abbreviated Journal | Biomolecules |
| Volume | 13 | Issue | 7 | Pages | 1043 |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | The potential of cold atmospheric plasma (CAP) in biomedical applications has received significant interest, due to its ability to generate reactive oxygen and nitrogen species (RONS). Upon exposure to living cells, CAP triggers alterations in various cellular components, such as the cell membrane. However, the permeation of RONS across nitrated and oxidized membranes remains understudied. To address this gap, we conducted molecular dynamics simulations, to investigate the permeation capabilities of RONS across modified cell membranes. This computational study investigated the translocation processes of less hydrophilic and hydrophilic RONS across the phospholipid bilayer (PLB), with various degrees of oxidation and nitration, and elucidated the impact of RONS on PLB permeability. The simulation results showed that less hydrophilic species, i.e., NO, NO2, N2O4, and O3, have a higher penetration ability through nitro-oxidized PLB compared to hydrophilic RONS, i.e., HNO3, s-cis-HONO, s-trans-HONO, H2O2, HO2, and OH. In particular, nitro-oxidation of PLB, induced by, e.g., cold atmospheric plasma, has minimal impact on the penetration of free energy barriers of less hydrophilic species, while it lowers these barriers for hydrophilic RONS, thereby enhancing their translocation across nitro-oxidized PLB. This research contributes to a better understanding of the translocation abilities of RONS in the field of plasma biomedical applications and highlights the need for further analysis of their role in intracellular signaling pathways. | ||||
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| Language | Wos | 001035160000001 | Publication Date | 2023-06-27 | |
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| Series Volume | Series Issue | Edition | |||
| ISSN | 2218-273X | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | Not_Open_Access | ||
| Notes | This research was funded by the Innovative Development Agency of the Republic of Uzbekistan, grant number FZ-2020092817. | Approved | Most recent IF: NA | ||
| Call Number | PLASMANT @ plasmant @c:irua:198154 | Serial | 8803 | ||
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| Author | Vanraes, P.; Parayil Venugopalan, S.; Besemer, M.; Bogaerts, A. | ||||
| Title | Assessing neutral transport mechanisms in aspect ratio dependent etching by means of experiments and multiscale plasma modeling | Type | A1 Journal Article | ||
| Year | 2023 | Publication | Plasma Sources Science and Technology | Abbreviated Journal | Plasma Sources Sci. Technol. |
| Volume | 32 | Issue | 6 | Pages | 064004 |
| Keywords |
A1 Journal Article; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | Since the onset of pattern transfer technologies for chip manufacturing, various strategies have been developed to circumvent or overcome aspect ratio dependent etching (ARDE). These methods have, however, their own limitations in terms of etch non-idealities, throughput or costs. Moreover, they have mainly been optimized for individual in-device features and die-scale patterns, while occasionally ending up with poor patterning of metrology marks, affecting the alignment and overlay in lithography. Obtaining a better understanding of the underlying mechanisms of ARDE and how to mitigate them therefore remains a relevant challenge to date, for both marks and advanced nodes. In this work, we accordingly assessed the neutral transport mechanisms in ARDE by means of experiments and multiscale modeling for SiO<sub>2</sub>etching with CHF<sub>3</sub>/Ar and CF<sub>4</sub>/Ar plasmas. The experiments revealed a local maximum in the etch rate for an aspect ratio around unity, i.e. the simultaneous occurrence of regular and inverse reactive ion etching lag for a given etch condition. We were able to reproduce this ARDE trend in the simulations without taking into account charging effects and the polymer layer thickness, suggesting shadowing and diffuse reflection of neutrals as the primary underlying mechanisms. Subsequently, we explored four methods with the simulations to regulate ARDE, by varying the incident plasma species fluxes, the amount of polymer deposition, the ion energy and angular distribution and the initial hardmask sidewall angle, for which the latter was found to be promising in particular. Although our study focusses on feature dimensions characteristic to metrology marks and back-end-of-the-line integration, the obtained insights have a broader relevance, e.g. to the patterning of advanced nodes. Additionally, this work supports the insight that physisorption may be more important in plasma etching at room temperature than originally thought, in line with other recent studies, a topic on which we recommend further research. | ||||
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| Language | Wos | 001021250100001 | Publication Date | 2023-06-01 | |
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0963-0252 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 3.8 | Times cited | Open Access | Not_Open_Access | |
| Notes | P Vanraes acknowledges funding by ASML for the project ‘Computational simulation of plasma etching of trench structures’. P Vanraes and A Bogaerts want to express their gratitude to Mark J Kushner (University of Michigan) for the sharing of the HPEM and MCFPM codes, and for the interesting exchange of views. P Vanraes wishes to thank Violeta Georgieva and Stefan Tinck for the fruitful discussions on the HPEM code, Yu-Ru Zhang for an example of the CCP reactor code and Karel Venken for his technical help with the server maintenance and use. S P Venugopalan and M Besemer wish to thank Luigi Scaccabarozzi, Sander Wuister, Coen Verschuren, Michael Kubis, Kuan-Ming Chen, Ruben Maas, Huaichen Zhang and Julien Mailfert (ASML) for the insightful discussions. | Approved | Most recent IF: 3.8; 2023 IF: 3.302 | ||
| Call Number | PLASMANT @ plasmant @c:irua:197760 | Serial | 8811 | ||
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| Author | Wang, K.; Ceulemans, S.; Zhang, H.; Tsonev, I.; Zhang, Y.; Long, Y.; Fang, M.; Li, X.; Yan, J.; Bogaerts, A. | ||||
| Title | Inhibiting recombination to improve the performance of plasma-based CO2 conversion | Type | A1 Journal Article | ||
| Year | 2024 | Publication | Chemical Engineering Journal | Abbreviated Journal | Chemical Engineering Journal |
| Volume | 481 | Issue | Pages | 148684 | |
| Keywords |
A1 Journal Article; Plasma-based CO2 splitting Recombination reactions In-situ gas sampling Fluid dynamics modeling Kinetics modeling Afterglow quenching; Plasma, laser ablation and surface modeling Antwerp (PLASMANT) ; | ||||
| Abstract | Warm plasma offers a promising route for CO2 splitting into valuable CO, yet recombination reactions of CO with oxygen, forming again CO2, have recently emerged as critical limitation. This study combines experiments and fluid dynamics + chemical kinetics modelling to comprehensively analyse the recombination reactions upon CO2 splitting in an atmospheric plasmatron. We introduce an innovative in-situ gas sampling technique, enabling 2D spatial mapping of gas product compositions and temperatures, experimentally confirming for the first time the substantial limiting effect of CO recombination reactions in the afterglow region. Our results show that the CO mole fraction at a 5 L/min flow rate drops significantly from 11.9 % at a vertical distance of z = 20 mm in the afterglow region to 8.6 % at z = 40 mm. We constructed a comprehensive 2D model that allows for spatial reaction rates analysis incorporating crucial reactions, and we validated it to kinetically elucidate this phenomenon. CO2 +M⇌O+CO+M and CO2 +O⇌CO+O2 are the dominant reactions, with the forward reactions prevailing in the plasma region and the backward reactions becoming prominent in the afterglow region. These results allow us to propose an afterglow quenching strategy for performance enhancement, which is further demonstrated through a meticulously developed plasmatron reactor with two-stage cooling. Our approach substantially increases the CO2 conversion (e.g., from 6.6 % to 19.5 % at 3 L/min flow rate) and energy efficiency (from 13.5 % to 28.5 %, again at 3 L/min) and significantly shortens the startup time (from ~ 150 s to 25 s). Our study underscores the critical role of inhibiting recombination reactions in plasma-based CO2 conversion and offers new avenues for performance enhancement. | ||||
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| Language | Wos | 001168999200001 | Publication Date | 2024-01-10 | |
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| ISSN | 1385-8947 | ISBN | Additional Links | UA library record; WoS full record | |
| Impact Factor | 15.1 | Times cited | Open Access | Not_Open_Access | |
| Notes | Key Research and Development Program of Zhejiang Province, 2023C03129 ; Vlaamse regering; European Research Council; National Natural Science Foundation of China, 51976191 52276214 ; Horizon 2020 Framework Programme; Fonds De La Recherche Scientifique – FNRS; Fonds Wetenschappelijk Onderzoek, 1101524N ; Vlaams Supercomputer Centrum; Horizon 2020, 101081162 810182 ; European Research Council; | Approved | Most recent IF: 15.1; 2024 IF: 6.216 | ||
| Call Number | PLASMANT @ plasmant @c:irua:204352 | Serial | 8993 | ||
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| Author | McLachlan, G.; Majdak, P.; Reijniers, J.; Mihocic, M.; Peremans, H. | ||||
| Title | Dynamic spectral cues do not affect human sound localization during small head movements | Type | A1 Journal article | ||
| Year | 2023 | Publication | Frontiers in neuroscience | Abbreviated Journal | |
| Volume | 17 | Issue | Pages | 1027827-10 | |
| Keywords |
A1 Journal article; Psychology; Condensed Matter Theory (CMT); Engineering Management (ENM) | ||||
| Abstract | Natural listening involves a constant deployment of small head movement. Spatial listening is facilitated by head movements, especially when resolving front-back confusions, an otherwise common issue during sound localization under head-still conditions. The present study investigated which acoustic cues are utilized by human listeners to localize sounds using small head movements (below ±10° around the center). Seven normal-hearing subjects participated in a sound localization experiment in a virtual reality environment. Four acoustic cue stimulus conditions were presented (full spectrum, flattened spectrum, frozen spectrum, free-field) under three movement conditions (no movement, head rotations over the yaw axis and over the pitch axis). Localization performance was assessed using three metrics: lateral and polar precision error and front-back confusion rate. Analysis through mixed-effects models showed that even small yaw rotations provide a remarkable decrease in front-back confusion rate, whereas pitch rotations did not show much of an effect. Furthermore, MSS cues improved localization performance even in the presence of dITD cues. However, performance was similar between stimuli with and without dMSS cues. This indicates that human listeners utilize the MSS cues before the head moves, but do not rely on dMSS cues to localize sounds when utilizing small head movements. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000938567400001 | Publication Date | 2023-02-03 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1662-4548; 1662-453x | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ admin @ c:irua:194507 | Serial | 9025 | ||
| Permanent link to this record | |||||
| Author | van Winsen, F.; de Mey, Y.; Lauwers, L.; Van Passel, S.; Vancauteren, M.; Wauters, E. | ||||
| Title | Determinants of risk behaviour : effects of perceived risks and risk attitude on farmer's adoption of risk management strategies | Type | A1 Journal article | ||
| Year | 2016 | Publication | Journal Of Risk Research | Abbreviated Journal | J Risk Res |
| Volume | 19 | Issue | 1 | Pages | 56-78 |
| Keywords |
A1 Journal article; Sociology; Engineering Management (ENM) | ||||
| Abstract | The importance of risk perception and risk attitude for understanding individual's risk behaviour are independently well described in literature, but rarely combined in an integrated approach. In this study, we propose a model assuming the choice to implement certain risk management strategies to be directly driven by both perceptions of risks and risk attitude. Other determinants influence the intention to apply different risk strategies mainly indirectly, mediated by risk perception and risk attitude. This conceptual model is empirically tested, using structural equation modelling, for understanding the intention of farmers to implement different common risk management strategies at their farms. Data are gathered in a survey completed by 500 farmers from the Flanders region in Belgium, investigating attitudes towards farming, perceived past exposure to risk, socio-demographic characteristics, farm size, perceptions of the major sources of farm business risk, risk attitudes and the intention to apply common risk management strategies. Our major findings are: (i) perception of major farm business risks have no significant impact on the intention of applying any of the risk strategies under study, (ii) risk attitude does have a significant impact. Therefore, rather than objective risk faced and the subjective interpretation thereof, it is the general risk attitude that influence intended risk strategies to be implemented. A distinction can be made between farmers willing to take risk, who are more inclined to apply ex-ante risk management strategies and risk averse farmers who are less inclined to implement ex-ante risk management strategies but rather cope with the consequences and diminish their effects ex-post when risks have occurred. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000365523100004 | Publication Date | 2014-07-24 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1366-9877 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 1.34 | Times cited | 25 | Open Access | |
| Notes | ; This work was supported by the agency for Innovation by Science and Technology [grant number 080508]. ; | Approved | Most recent IF: 1.34 | ||
| Call Number | UA @ admin @ c:irua:130188 | Serial | 6177 | ||
| Permanent link to this record | |||||
| Author | Fitawok, M.B.; Derudder, B.; Minale, A.S.; Van Passel, S.; Adgo, E.; Nyssen, J. | ||||
| Title | Analyzing the impact of land expropriation program on farmers' livelihood in urban fringes of Bahir Dar, Ethiopia | Type | A1 Journal article | ||
| Year | 2022 | Publication | Habitat International | Abbreviated Journal | Habitat Int |
| Volume | 129 | Issue | Pages | 102674-102679 | |
| Keywords |
A1 Journal article; Sociology; Law; Art; Engineering Management (ENM) | ||||
| Abstract | This paper analyzes the impact of urban land-use changes on farmers' livelihood around the city of Bahir Dar (Ethiopia). Rapid urban expansion in and around the city has resulted in massive land-use changes in its urban fringes, with land expropriation programs affecting communities' livelihood and the environment. A survey was conducted in three urbanizing villages near Bahir Dar, focusing on 150 farmers who were land-expropriated and 180 farmers who were non-land-expropriated. Regression models and propensity matching scoring are applied to examine the livelihood differences of farmers in terms of farm income, off-farm income, primary expenditure type, and perception of urban expansion benefits to farmers. The results reveal that land expropriation in the area has led to (a) a shift to off-farm income for land expropriated farmers; (b) an increase in their household expenditure on staple foods compared to other expenditure types, including farm inputs; and (c) diverging perceptions on whether and how city expansion benefits farmers in the neighboring villages. Our findings provide insight into the need for tighter and impactful policy actions to ensure the sustainability of urbanization through accommodating expropriated farmers' livelihood changes and protecting natural resources in the area. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000866411200001 | Publication Date | 2022-09-28 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0197-3975; 0361-3690 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 2.285 | Times cited | Open Access | OpenAccess | |
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ admin @ c:irua:191385 | Serial | 7352 | ||
| Permanent link to this record | |||||
| Author | Motamedi, J.; Azadi, H.; Alijanpour, A.; Shafiei, A.B.; Sheidai-Karkaj, E.; Mofidi-Chelan, M.; Moghaddam, S.M.; Van Passel, S.; Witlox, F. | ||||
| Title | Economic indices of by-products utilization and forage production in semi-arid rangelands | Type | A1 Journal article | ||
| Year | 2022 | Publication | Journal of environmental planning and management | Abbreviated Journal | J Environ Plann Man |
| Volume | Issue | Pages | 1-29 | ||
| Keywords |
A1 Journal article; Sociology; Law; Engineering Management (ENM) | ||||
| Abstract | One of the most basic criteria in documenting rangeland use prospects is the recognition of byproducts and their economic appraisal. The current study was conducted to assess the economic indices of exploiting byproduct production in Shahindej, Northwest Iran. For this purpose, 24 by-product-generating species were selected in 114 locations that belong to 49 rangeland units. The total expected value of 24 by-product generating species yield and forage production was calculated at 44.22 USD ha(-1). The results of this study showed that the sustainability of natural resources depends on the effective participation and empowerment of local communities. Furthermore, by-product exploitation contributes significantly to the local economy and employment while also reducing grazing intensity. Overall, the findings of this study show that by-product earnings should be considered in range management schemes and comprehensive natural-area management. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000830614200001 | Publication Date | 2022-07-26 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0964-0568 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 1.56 | Times cited | Open Access | Not_Open_Access | |
| Notes | Approved | Most recent IF: NA | |||
| Call Number | UA @ admin @ c:irua:189725 | Serial | 7355 | ||
| Permanent link to this record | |||||
| Author | Keulemans, M.; Verbruggen, S.W.; Hauchecorne, B.; Martens, J.A.; Lenaerts, S. | ||||
| Title | Activity versus selectivity in photocatalysis : morphological or electronic properties tipping the scale | Type | A1 Journal article | ||
| Year | 2016 | Publication | Journal of catalysis | Abbreviated Journal | J Catal |
| Volume | 344 | Issue | Pages | 221-228 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | In this paper a structure-activity and structure-selectivity relation is established for three commercial TiO2 sources (P25, P90, and PC500). Morphological and electronic parameters of the photocatalysts are determined using widely applicable and inexpensive characterization procedures. More specifically, the electronic properties are rigorously characterized using an electron titration method yielding quantitative information on the amount of defect sites present in the catalyst. Surface photovoltage measurements on the other hand provide complementary information on the charge carrier recombination process. As model reaction, the degradation of a solid layer of stearic acid is studied using an in situ FTIR reaction cell that enables to investigate the catalyst surface and possible formation of reaction intermediates while the reactions are ongoing. We show that the order of photocatalytic conversion is PC500 > P90 > P25, matching the order of favorable morphological properties. In terms of selectivity to CO2 formation (complete mineralization), however, this trend is reversed: P25 > P90 > PC500, now matching the order of advantageous electronic properties, i.e. low charge carrier recombination and high charge carrier generation. With this we intend to provide new mechanistic insights using a wide variety of physical, (wet) chemical and operando analysis methods that aid the development of performant (self-cleaning) photocatalytic materials. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000390182800022 | Publication Date | 2016-10-15 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0021-9517 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 6.844 | Times cited | 10 | Open Access | |
| Notes | ; M.K. acknowledges Flemish Agency for Innovation & Entrepreneurship for the doctoral scholarship. S.W.V. acknowledges the Fonds Wetenschappelijk Onderzoek (FWO) for a post-doctoral fellowship. J.A.M. acknowledges the Flemish government for long-term structural funding (Methusalem). ; | Approved | Most recent IF: 6.844 | ||
| Call Number | UA @ admin @ c:irua:136339 | Serial | 5926 | ||
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| Author | Dong, Y.; Chen, S.-Y.; Lu, Y.; Xiao, Y.-X.; Hu, J.; Wu, S.-M.; Deng, Z.; Tian, G.; Chang, G.-G.; Li, J.; Lenaerts, S.; Janiak, C.; Yang, X.-Y.; Su, B.-L. | ||||
| Title | Hierarchical MoS2@TiO2 heterojunctions for enhanced photocatalytic performance and electrocatalytic hydrogen evolution | Type | A1 Journal article | ||
| Year | 2018 | Publication | Chemistry: an Asian journal | Abbreviated Journal | Chem-Asian J |
| Volume | 13 | Issue | 12 | Pages | 1609-1615 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Hierarchical MoS2@TiO2 heterojunctions were synthesized through a one-step hydrothermal method by using protonic titanate nanosheets as the precursor. The TiO2 nanosheets prevent the aggregation of MoS2 and promote the carrier transfer efficiency, and thus enhance the photocatalytic and electrocatalytic activity of the nanostructured MoS2. The obtained MoS2@TiO2 has significantly enhanced photocatalytic activity in the degradation of rhodamineB (over 5.2times compared with pure MoS2) and acetone (over 2.8times compared with pure MoS2). MoS2@TiO2 is also beneficial for electrocatalytic hydrogen evolution (26times compared with pure MoS2, based on the cathodic current density). This work offers a promising way to prevent the self-aggregation of MoS2 and provides a new insight for the design of heterojunctions for materials with lattice mismatches. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000435773300011 | Publication Date | 2018-04-10 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1861-4728; 1861-471x | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 4.083 | Times cited | 22 | Open Access | |
| Notes | ; This work was supported by the National Key R&D Program of China (2017YFC1103800), PCSIRT (IRT15R52), NSFC (U1662134, U1663225, 51472190, 51611530672, 51503166, 21706199, 21711530705), ISTCP (2015DFE52870), HPNSF (2016CFA033, 2017CFB487), and SKLPPC (PPC2016007). ; | Approved | Most recent IF: 4.083 | ||
| Call Number | UA @ admin @ c:irua:151971 | Serial | 5956 | ||
| Permanent link to this record | |||||
| Author | Caretti, I.; Keulemans, M.; Verbruggen, S.W.; Lenaerts, S.; Van Doorslaer, S. | ||||
| Title | Light-induced processes in plasmonic Gold/TiO2 photocatalysts studied by electron paramagnetic resonance | Type | A1 Journal article | ||
| Year | 2015 | Publication | Topics in catalysis | Abbreviated Journal | Top Catal |
| Volume | 58 | Issue | 12 | Pages | 776-782 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | X-band and W-band continuous-wave (CW) electron paramagnetic resonance (EPR) was used to study in situ light-induced (LI) mechanisms in commercial P90 titania (90 % anatase/10 % rutile) compared to plasmon-enhanced Au-P90 photocatalyst. These materials were excited using UV and 532 nm visible light to generate different excitation states and distinguish pure charge separation from plasmon-assisted resonance processes. Up to nine different photoinduced species of trapped electrons and holes were identified. LI CW EPR of P90 is presented for the first time, showing a UV excitation response similar to the well-known mixed-phase P25 titania. It is shown that incorporation of Au nanoparticles in Au-P90 and formation of a Schottky junction affects the charge separation state of the catalyst under UV light. Moreover, Au impregnation activated P90 through plasmon hot electron injection under visible light excitation (plasmonic sensitization effect). In general, EPR proved to be crucial to determine the different photoexciation paths and reactions that regulate plasmonic photocatalysis. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000360011200008 | Publication Date | 2015-08-03 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1022-5528 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 2.486 | Times cited | 22 | Open Access | |
| Notes | ; IC and SVD acknowledge the Research Foundation-Flanders (FWO) for financial support (Grant G.0687.13). SV thanks FWO for financial support through a postdoctoral fellowship and MK acknowledges the agency for Innovation by Science and Technology in Flanders (IWT) for financial support (Ph.D. Grant). ; | Approved | Most recent IF: 2.486; 2015 IF: 2.365 | ||
| Call Number | UA @ admin @ c:irua:127413 | Serial | 5968 | ||
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| Author | Liao, L.; Heylen, S.; Sree, S.P.; Vallaey, B.; Keulemans, M.; Lenaerts, S.; Roeffaers, M.B.J.; Martens, J.A. | ||||
| Title | Photocatalysis assisted simultaneous carbon oxidation and NOx reduction | Type | A1 Journal article | ||
| Year | 2017 | Publication | Applied catalysis : B : environmental | Abbreviated Journal | Appl Catal B-Environ |
| Volume | 202 | Issue | Pages | 381-387 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Photocatalysis assisted oxidation of carbon black was performed using TiO2 photocatalyst under UV illumination in an atmosphere with NO, O-2 and water vapor at 150 degrees C. Carbon is oxidized mainly to CO2 while NO is selectively converted to N-2. Enhanced O-2 and NO concentrations have a positive effect on the carbon oxidation rate. At a concentration of 3000 ppm NO and 13.3% O-2 in the gas phase the carbon oxidation rate reaches 2.3 mu g(carbon)/mg(TiO2) h, at a formal electron/photon quantum efficiency of 0.019. HR SEM images reveal uniform gradual reduction of the carbon particle size irrespective of the distance to TiO2 photocatalyst particles in the presence of NO, O-2 and H2O. (C) 2016 Elsevier B.V. All rights reserved. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000388052100038 | Publication Date | 2016-09-23 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0926-3373 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.446 | Times cited | 11 | Open Access | |
| Notes | ; This work was supported by long-term structural funding by the Flemish government (Methusalem). M. Keulemans acknowledges the agency for Innovation by Science and Technology in Flanders (IWT) for financial support (PhD. Grant). M. Roeffaers thanks the ERC for financial support (ERC Starting Grant No. 307523). ; | Approved | Most recent IF: 9.446 | ||
| Call Number | UA @ admin @ c:irua:139156 | Serial | 5976 | ||
| Permanent link to this record | |||||
| Author | Liao, L.; Heylen, S.; Vallaey, B.; Keulemans, M.; Lenaerts, S.; Roeffaers, M.B.J.; Martens, J.A. | ||||
| Title | Photocatalytic carbon oxidation with nitric oxide | Type | A1 Journal article | ||
| Year | 2015 | Publication | Applied catalysis : B : environmental | Abbreviated Journal | Appl Catal B-Environ |
| Volume | 166 | Issue | Pages | 374-380 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | The photocatalytic oxidation of carbon black on TiO2 using nitric oxide as an oxidizing agent was investigated. Layer-wise deposited carbon and TiO2 powder was illuminated with UVA light in the presence of NO at parts per million concentrations in dry and hydrated carrier gas at a temperature of 150 degrees C. Carbon was photocatalytically converted mainly into CO2, and NO mainly into N-2. Carbon oxidation rates of 7.2 mu g/h/mgTiO(2) were achieved in the presence of 3000 ppm NO. Under these experimental conditions in the absence of molecular oxygen, formation of surface nitrates causing TiO2 photocatalyst deactivation is suppressed. Addition of water enhances surface nitrate formation and catalyst deactivation. NO and carbon particulate matter are air pollutants emitted by diesel engines. Elimination of soot collected on a diesel particulate filter through oxidation is a demanding reaction requiring temperatures in excess of 250 degrees C. The present study opens perspectives for a low-temperature regeneration strategy for the diesel particulate filter that simultaneously performs DeNO(x) reactions. (C) 2014 Elsevier B.V. All rights reserved. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000348753400042 | Publication Date | 2014-12-03 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0926-3373 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.446 | Times cited | 5 | Open Access | |
| Notes | ; This work was supported by long-term structural funding by the Flemish government (Methusalem). ; | Approved | Most recent IF: 9.446; 2015 IF: 7.435 | ||
| Call Number | UA @ admin @ c:irua:123858 | Serial | 5977 | ||
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| Author | Smits, M.; Ling, Y.; Lenaerts, S.; Van Doorslaer, S. | ||||
| Title | Photocatalytic removal of soot : unravelling of the reaction mechanism by EPR and in situ FTIR spectroscopy | Type | A1 Journal article | ||
| Year | 2012 | Publication | ChemPhysChem : a European journal of chemical physics and physical chemistry | Abbreviated Journal | Chemphyschem |
| Volume | 13 | Issue | 18 | Pages | 4251-4257 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Photocatalytic soot oxidation is studied on P25 TiO2 as an important model reaction for self-cleaning processes by means of electron paramagnetic resonance (EPR) and Fourier transform infrared (FTIR) spectroscopy. Contacting of carbon black with P25 leads on the one hand to a reduction of the local dioxygen concentration in the powder. On the other hand, the weakly adsorbed radicals on the carbon particles are likely to act as alternative traps for the photogenerated conduction-band electrons. We find furthermore that the presence of dioxygen and oxygen-related radicals is vital for the photocatalytic soot degradation. The complete oxidation of soot to CO2 is evidenced by in situ FTIR spectroscopy, no intermediate CO is detected during the photocatalytic process. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000313692600026 | Publication Date | 2012-11-13 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1439-4235 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 3.075 | Times cited | 9 | Open Access | |
| Notes | ; This work was supported by the University of Antwerp (PhD grants of M. S. and Y.L.). We would like to thank Birger Hauchecorne for the scientific discussion. ; | Approved | Most recent IF: 3.075; 2012 IF: 3.349 | ||
| Call Number | UA @ admin @ c:irua:104568 | Serial | 5980 | ||
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| Author | Minjauw, M.M.; Solano, E.; Sree, S.P.; Asapu, R.; Van Daele, M.; Ramachandran, R.K.; Heremans, G.; Verbruggen, S.W.; Lenaerts, S.; Martens, J.A.; Detavernier, C.; Dendooven, J. | ||||
| Title | Plasma-enhanced atomic layer deposition of silver using Ag(fod)(PEt3) and NH3-plasma | Type | A1 Journal article | ||
| Year | 2017 | Publication | Chemistry of materials | Abbreviated Journal | Chem Mater |
| Volume | 29 | Issue | 17 | Pages | 7114-7121 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | A plasma-enhanced atomic layer deposition (ALD) process using the Ag(fod)(PEt3) precursor [(triethylphosphine)(6,6,7,7,8,8,8-heptafluoro-2,2-dimethy1-3,5-octanedionate)silver(I)] in combination with NH3-plasma is reported. The steady growth rate of the reported process (0.24 +/- 0.03 nm/cycle) was found to be 6 times larger than that of the previously reported Ag ALD process based on the same precursor in combination with H-2-plasma (0.04 +/- 0.02 nm/cycle). The ALD characteristics of the H-2-plasma and NH3-plasma processes were verified. The deposited Ag films were polycrystalline face-centered cubic Ag for both processes. The film morphology was investigated by ex situ scanning electron microscopy and grazing-incidence small-angle X-ray scattering, and it was found that films grown with the NH3-plasma process exhibit a much higher particle areal density and smaller particle sizes on oxide substrates compared to those deposited using the H-2-plasma process. This control over morphology of the deposited Ag is important for applications in catalysis and plasmonics. While films grown with the H-2-plasma process had oxygen impurities (similar to 9 atom %) in the bulk, the main impurity for the NH3-plasma process was nitrogen (similar to 7 atom %). In situ Fourier transform infrared spectroscopy experiments suggest that these nitrogen impurities are derived from NH surface groups generated during the NH3-plasma, which interact with the precursor molecules during the precursor pulse. We propose that the reaction of these surface groups with the precursor leads to additional deposition of Ag atoms during the precursor pulse compared to the H-2-plasma process, which explains the enhanced growth rate of the NH3-plasma process. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000410868600012 | Publication Date | 2017-08-09 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0897-4756 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.466 | Times cited | 9 | Open Access | |
| Notes | ; M.M.M. and J.D. acknowledge the Fonds Wetenschappelijk Onderzoek Vlaanderen (FWO Vlaanderen) for financial support through a personal research grant. We also acknowledge FWO Vlaanderen for providing project funding for this work. We are grateful to the ESRF staff for smoothly running the synchrotron and beamline facilities. We also thank Olivier Janssens for performing the SEM measurements and Stefaan Broekaert for mechanical assistance. J.A.M. acknowledges the Flemish Government for long-term structural funding (Methusalem). ; | Approved | Most recent IF: 9.466 | ||
| Call Number | UA @ admin @ c:irua:146757 | Serial | 5983 | ||
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| Author | Parchomenko, A.; Nelen, D.; Gillabel, J.; Vrancken, K.C.M.; Rechberger, H. | ||||
| Title | Evaluation of the resource effectiveness of circular economy strategies through multilevel statistical entropy analysis | Type | A1 Journal article | ||
| Year | 2020 | Publication | Resources Conservation And Recycling | Abbreviated Journal | Resour Conserv Recy |
| Volume | 161 | Issue | Pages | 104925-16 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | In a circular economy (CE), materials, components and products should be kept at the highest level of functionality, while phenomena like dilution, mixing and contamination, often referred to as the loss of resources, should be avoided. One method that can assess the performance of systems to concentrate or avoid dilution of resources is Statistical Entropy Analysis (SEA). Up till now, the method has been applied on the substance level (elements and compounds) only, but showed its applicability to various scales and a variety of systems. Further development of the method allowed to consider information on the product, component and material levels, which makes the method applicable to different combinations of CE strategies, both destructive (e.g. recycling) and non-destructive (e.g. reuse). The method is demonstrated on a simplified vehicle life-cycle, which is modeled through four component groups and six materials. It shows that the method allows to evaluate different CE strategies and identify critical stages which lead to the most severe resource and functionality losses. Based on the methods results, it is possible to determine a perfect circularity reference level, representing a system state that preserves functionality and avoids resource losses. The introduction of a circularity reference level enables the establishment of a framework for resource effectiveness in which diluting and concentrating effects of activities (e.g. sorting) are quantified. The distance of a system to an ideal circular state determines the deviation from a resource-effective system that maintains the original product functionality over a maximum period of time, with minimal efforts. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000569610400032 | Publication Date | 2020-06-20 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0921-3449 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 13.2 | Times cited | Open Access | ||
| Notes | ; The authors would like to acknowledge the support of Prof. David Laner for his valuable inputs, as well as the financial support of Vito (Flemish Institute for Technological Research) and Altstoff Recycling Austria AG (ARA). ; | Approved | Most recent IF: 13.2; 2020 IF: 3.313 | ||
| Call Number | UA @ admin @ c:irua:171925 | Serial | 6512 | ||
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| Author | Lindeboom, R.E.F.; De Paepe, J.; Vanoppen, M.; Alonso-Fariñas, B.; Coessens, W.; Alloul, A.; Christiaens, M.E.R.; Dotremont, C.; Beckers, H.; Lamaze, B.; Demey, D.; Clauwaert, P.; Verliefde, A.R.D.; Vlaeminck, S.E. | ||||
| Title | A five-stage treatment train for water recovery from urine and shower water for long-term human Space missions | Type | A1 Journal article | ||
| Year | 2020 | Publication | Desalination | Abbreviated Journal | Desalination |
| Volume | 495 | Issue | Pages | 114634 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Long-term human Space missions will rely on regenerative life support as resupply of water, oxygen and food comes with constraints. The International Space Station (ISS) relies on an evaporation/condensation system to recover 74–85% of the water in urine, yet suffers from repetitive scaling and biofouling while employing hazardous chemicals. In this study, an alternative non-sanitary five-stage treatment train for one “astronaut” was integrated through a sophisticated monitoring and control system. This so-called Water Treatment Unit Breadboard (WTUB) successfully treated urine (1.2-L-d−1) with crystallisation, COD-removal, ammonification, nitrification and electrodialysis, before it was mixed with shower water (3.4-L-d−1). Subsequently, ceramic nanofiltration and single-pass flat-sheet RO were used. A four-months proof-of-concept period yielded: (i) chemical water quality meeting the hygienic standards of the European Space Agency, (ii) a 87-±-5% permeate recovery with an estimated theoretical primary energy requirement of 0.2-kWhp-L−1, (iii) reduced scaling potential without anti-scalant addition and (iv) and a significant biological reduction in biofouling potential resulted in stable but biofouling-limited RO permeability of 0.5 L-m−2-h−1-bar−1. Estimated mass breakeven dates and a comparison with the ISS Water Recovery System for a hypothetical Mars transit mission show that WTUB is a promising biological membrane-based alternative to heat-based systems for manned Space missions. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000582172900007 | Publication Date | 2020-09-15 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0011-9164 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.9 | Times cited | Open Access | ||
| Notes | Approved | Most recent IF: 9.9; 2020 IF: 5.527 | |||
| Call Number | UA @ admin @ c:irua:171514 | Serial | 6523 | ||
| Permanent link to this record | |||||
| Author | Liu, J.-W.; Wu, S.-M.; Wang, L.-Y.; Tian, G.; Qin, Y.; Wu, J.-X.; Zhao, X.-F.; Zhang, Y.-X.; Chang, G.-G.; Wu, L.; Zhang, Y.-X.; Li, Z.-F.; Guo, C.-Y.; Janiak, C.; Lenaerts, S.; Yang, X.-Y. | ||||
| Title | Pd/Lewis acid synergy in macroporous Pd@Na-ZSM-5 for enhancing selective conversion of biomass | Type | A1 Journal article | ||
| Year | 2020 | Publication | Chemcatchem | Abbreviated Journal | Chemcatchem |
| Volume | Issue | Pages | 1-6 | ||
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Pd nanometal particles encapsulated in macroporous Na-ZSM-5 with only Lewis acid sites have been successfully synthesized by a steam-thermal approach. The synergistic effect of Pd and Lewis acid sites have been investigated for significant enhancement of the catalytic selectivity towards furfural alcohol in furfural hydroconversion. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000554645800001 | Publication Date | 2020-07-11 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 1867-3880; 1867-3899 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 4.5 | Times cited | 1 | Open Access | |
| Notes | ; We acknowledge a joint DFG-NSFC project (DFG JA466/39-1, NSFC grant 51861135313). This work was also supported by National Key R&D Program of China (2017YFC1103800), NSFC (U1662134, 21711530705), Jilin Province Science and Technology Development Plan (20180101208JC), HPNSF (2016CFA033), FRFCU (19lgzd16) and ISTCP (2015DFE52870). ; | Approved | Most recent IF: 4.5; 2020 IF: 4.803 | ||
| Call Number | UA @ admin @ c:irua:171178 | Serial | 6579 | ||
| Permanent link to this record | |||||
| Author | Li, Y.; Quinn, B.K.; Niinemets, Ü.; Schrader, J.; Gielis, J.; Liu, M.; Shi, P. | ||||
| Title | Ellipticalness index : a simple measure of the complexity of oval leaf shape | Type | A1 Journal article | ||
| Year | 2022 | Publication | Pakistan journal of botany : An official publication of pakistan botanical society | Abbreviated Journal | Pak J Bot |
| Volume | 54 | Issue | 6 | Pages | 1-8 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Plants have diverse leaf shapes that have evolved to adapt to the environments they have experienced over their evolutionary history. Leaf shape and leaf size can greatly influence the growth rate, competitive ability, and productivity of plants. However, researchers have long struggled to decide how to properly quantify the complexity of leaf shape. Prior studies recommended the leaf roundness index (RI = 4πA/P2) or dissection index (DI = ), where P is leaf perimeter and A is leaf area. However, these two indices merely measure the extent of the deviation of leaf shape from a circle, which is usually invalid as leaves are seldom circular. In this study, we proposed a simple measure, named the ellipticalness index (EI), for quantifying the complexity of leaf shape based on the hypothesis that the shape of any oval leaf can be regarded as a variation from a standard ellipse. 2220 leaves from nine species of Magnoliaceae were sampled to check the validity of the EI. We also tested the validity of the Montgomery equation (ME), which assumes a proportional relationship between leaf area and the product of leaf length and width, because the EI actually comes from the proportionality coefficient of the ME. We also compared the ME with five other models of leaf area. The ME was found to be the best model for calculating leaf area based on consideration of the trade-off between model fit vs. complexity, which strongly supported the robustness of the EI for describing oval leaf shape. The new index can account for both leaf shape and size, and we conclude that it is a promising method for quantifying and comparing oval leaf shapes across species in future studies. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000814279700028 | Publication Date | 2022-05-23 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0556-3321 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 1.2 | Times cited | Open Access | OpenAccess | |
| Notes | Approved | Most recent IF: 1.2 | |||
| Call Number | UA @ admin @ c:irua:188469 | Serial | 7153 | ||
| Permanent link to this record | |||||
| Author | Zhu, W.; Van Tendeloo, M.; Xie, Y.; Timmer, M.J.; Peng, L.; Vlaeminck, S.E. | ||||
| Title | Storage without nitrite or nitrate enables the long-term preservation of full-scale partial nitritation/anammox sludge | Type | A1 Journal article | ||
| Year | 2022 | Publication | The science of the total environment | Abbreviated Journal | Sci Total Environ |
| Volume | 806 | Issue | 3 | Pages | 151330 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Bioaugmentation with summer harvested sludge during winter could compensate for bacterial activity loss but requires that sludge activity can be restored after storage. This study assesses the effect of temperature and redox adjustment during the storage over 180 days of partial nitritation/anammox (PN/A) granular resp. floccular sludge from potato processing resp. sludge reject water treatment. Anoxic storage conditions (in the presence of nitrite or nitrate and the absence of oxygen) resulted in a loss of 80-100% of the anammox bacteria (AnAOB) activity capacity at 20 degrees C and 4 degrees C, while anaerobic conditions (without oxygen, nitrite, and nitrate) lost only 45-63%. Storage at 20 degrees C was more cost-effective compared to 4 degrees C, and this was confirmed in the sludge reactivation experiment (20 CC). Furthermore, AnAOB activity correlated negatively with the electrical conductivity level (R-2 > 0.85, p < 0.05), so strong salinity increases should be avoided. No significant differences were found in the activity capacity of aerobic ammonia-oxidizing bacteria (AerAOB) under different storage conditions (p > 0.1). The relative abundance of dominant AnAOB (Candidatus Brocadia) and AerAOB genera (Nitrosomonas) remained constant in both sludges. In conclusion, preserving PN/A biomass without cooling and nitrite or nitrate addition proved to be a cost-effective strategy. (C) 2021 Elsevier B.V. All rights reserved. | ||||
| Address | |||||
| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000740216300013 | Publication Date | 2021-10-28 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0048-9697 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 9.8 | Times cited | Open Access | OpenAccess | |
| Notes | Approved | Most recent IF: 9.8 | |||
| Call Number | UA @ admin @ c:irua:185447 | Serial | 7213 | ||
| Permanent link to this record | |||||
| Author | Le, T.-S.; Nguyen, P.-D.; Ngo, H.H.; Bui, X.-T.; Dang, B.-T.; Diels, L.; Bui, H.-H.; Nguyen, M.-T.; Le Quang, D.-T. | ||||
| Title | Two-stage anaerobic membrane bioreactor for co-treatment of food waste and kitchen wastewater for biogas production and nutrients recovery | Type | A1 Journal article | ||
| Year | 2022 | Publication | Chemosphere | Abbreviated Journal | Chemosphere |
| Volume | 309 | Issue | 1 | Pages | 136537-136539 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Co-digestion of organic waste and wastewater is receiving increased attention as a plausible waste management approach toward energy recovery. However, traditional anaerobic processes for co-digestion are particularly susceptible to severe organic loading rates (OLRs) under long-term treatment. To enhance technological feasi-bility, this work presented a two-stage Anaerobic Membrane Bioreactor (2 S-AnMBR) composed of a hydrolysis reactor (HR) followed by an anaerobic membrane bioreactor (AnMBR) for long-term co-digestion of food waste and kitchen wastewater. The OLRs were expanded from 4.5, 5.6, and 6.9 kg COD m- 3 d-1 to optimize biogas yield, nitrogen recovery, and membrane fouling at ambient temperatures of 25-32 degrees C. Results showed that specific methane production of UASB was 249 +/- 7 L CH4 kg-1 CODremoved at the OLR of 6.9 kg TCOD m- 3 d-1. Total Chemical Oxygen Demand (TCOD) loss by hydrolysis was 21.6% of the input TCOD load at the hydraulic retention time (HRT) of 2 days. However, low total volatile fatty acid concentrations were found in the AnMBR, indicating that a sufficiently high hydrolysis efficiency could be accomplished with a short HRT. Furthermore, using AnMBR structure consisting of an Upflow Anaerobic Sludge Blanket Reactor (UASB) followed by a side -stream ultrafiltration membrane alleviated cake membrane fouling. The wasted digestate from the AnMBR comprised 42-47% Total Kjeldahl Nitrogen (TKN) and 57-68% total phosphorous loading, making it suitable for use in soil amendments or fertilizers. Finally, the predominance of fine particles (D10 = 0.8 mu m) in the ultra -filtration membrane housing (UFMH) could lead to a faster increase in trans-membrane pressure during the filtration process. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000866470600004 | Publication Date | 2022-09-20 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0045-6535; 1879-1298 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 8.8 | Times cited | Open Access | Not_Open_Access | |
| Notes | Approved | Most recent IF: 8.8 | |||
| Call Number | UA @ admin @ c:irua:191557 | Serial | 7347 | ||
| Permanent link to this record | |||||
| Author | Firmansyah, I.; Carsjens, G.J.; de Ruijter, F.J.; Zeeman, G.; Spiller, M. | ||||
| Title | An integrated assessment of environmental, economic, social and technological parameters of source separated and conventional sanitation concepts : a contribution to sustainability analysis | Type | A1 Journal article | ||
| Year | 2021 | Publication | Journal Of Environmental Management | Abbreviated Journal | J Environ Manage |
| Volume | 295 | Issue | Pages | 113131 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Resource recovery and reuse from domestic wastewater has become an important subject for the current development of sanitation technologies and infrastructures. Different technologies are available and combined into sanitation concepts, with different performances. This study provides a methodological approach to evaluate the sustainability of these sanitation concepts with focus on resource recovery and reuse. St. Eustatius, a small tropical island in the Caribbean, was used as a case study for the evaluation. Three source separation-communityon-site and two combined sewerage island-scale concepts were selected and compared in terms of environmental (net energy use, nutrient recovery/reuse, BOD/COD, pathogens, and GHG emission, land use), economic (CAPEX and OPEX), social cultural (acceptance, required competences and education), and technological (flexibility/ adaptability, reliability/continuity of service) indicators. The best performing concept, is the application of Upflow Anaerobic Sludge Bed (UASB) and Trickling Filter (TF) at island level for combined domestic wastewater treatment with subsequent reuse in agriculture. Its overall average normalised score across the four categories (i. e., average of average per category) is about 15% (0.85) higher than the values of the remaining systems and with a score of 0.73 (conventional activated sludge – centralised level), 0.77 (UASB-septic tank (ST)), 0.76 (UASB-TF – community level), and 0.75 (ST – household level). The higher score of the UASB-TF at community level is mainly due to much better performance in the environmental and economic categories. In conclusion, the case study provides a methodological approach that can support urban planning and decision-making in selecting more sustainable sanitation concepts, allowing resource recovery and reuse in small island context or in other contexts. | ||||
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| Corporate Author | Thesis | ||||
| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000681105800003 | Publication Date | 2021-06-30 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0301-4797 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | 4.01 | Times cited | Open Access | OpenAccess | |
| Notes | Approved | Most recent IF: 4.01 | |||
| Call Number | UA @ admin @ c:irua:180488 | Serial | 7437 | ||
| Permanent link to this record | |||||
| Author | Alloul, A.; Ganigue, R.; Spiller, M.; Meerburg, F.; Cagnetta, C.; Rabaey, K.; Vlaeminck, S.E. | ||||
| Title | Capture-ferment-upgrade : a three-step approach for the valorization of sewage organics as commodities | Type | A1 Journal article | ||
| Year | 2018 | Publication | Environmental science and technology | Abbreviated Journal | |
| Volume | 52 | Issue | 12 | Pages | 6729-6742 |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | This critical review outlines a roadmap for the conversion of chemical oxygen demand (COD) contained in sewage to commodities based on three-steps: capture COD as sludge, ferment it to volatile fatty acids (VFA), and upgrade VFA to products. The article analyzes the state-of-the-art of this three step approach and discusses the bottlenecks and challenges. The potential of this approach is illustrated for the European Union's 28 member states (EU-28) through Monte Carlo simulations. High-rate contact stabilization captures the highest amount of COD (66-86 g COD person equivalent(-1) day(-1) in 60% of the iterations). Combined with thermal hydrolysis, this would lead to a VFA-yield of 23-44 g COD person equivalent(-1) day(-1). Upgrading VFA generated by the EU-28 would allow, in 60% of the simulations, for a yearly production of 0.2-2.0 megatonnes of esters, 0.7-1.4 megatonnes of polyhydroxyalkanoates or 0.6-2.2 megatonnes of microbial protein substituting, respectively, 20-273%, 70-140% or 21-72% of their global counterparts (i.e., petrochemical-based esters, bioplastics or fishmeal). From these flows, we conclude that sewage has a strong potential as biorefinery feedstock, although research is needed to enhance capture, fermentation and upgrading efficiencies. These developments need to be supported by economic/environmental analyses and policies that incentivize a more sustainable management of our resources. | ||||
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| Publisher | Place of Publication | Editor | |||
| Language | Wos | 000436018900004 | Publication Date | 2018-05-17 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0013-936x; 1520-5851 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:151968 | Serial | 7574 | ||
| Permanent link to this record | |||||
| Author | Roefs, I.; Meulman, B.; Vreeburg, J.H.G.; Spiller, M. | ||||
| Title | Centralised, decentralised or hybrid sanitation systems? Economic evaluation under urban development uncertainty and phased expansion | Type | A1 Journal article | ||
| Year | 2017 | Publication | Water research | Abbreviated Journal | |
| Volume | 109 | Issue | Pages | 274-286 | |
| Keywords |
A1 Journal article; Sustainable Energy, Air and Water Technology (DuEL) | ||||
| Abstract | Sanitation systems are built to be robust, that is, they are dimensioned to cope with population growth and other variability that occurs throughout their lifetime. It was recently shown that building sanitation systems in phases is more cost effective than one robust design. This phasing can take place by building small autonomous decentralised units that operate closer to the actual demand. Research has shown that variability and uncertainty in urban development does affect the cost effectiveness of this approach. Previous studies do not, however, consider the entire sanitation system from collection to treatment. The aim of this study is to assess the economic performance of three sanitation systems with different scales and systems characteristics under a variety of urban development pathways. Three systems are studied: (I) a centralised conventional activated sludge treatment, (II) a community on site source separation grey water and black water treatment and (III) a hybrid with grey water treatment at neighbourhood scale and black water treatment off site. A modelling approach is taken that combines a simulation of greenfield urban growth, a model of the wastewater collection and treatment infrastructure design properties and a model that translates design parameters into discounted asset lifetime costs. Monte Carlo simulations are used to evaluate the economic performance under uncertain development trends. Results show that the conventional system outperforms both of the other systems when total discounted lifetime costs are assessed, because it benefits from economies of scale. However, when population growth is lower than expected, the source-separated system is more cost effective, because of reduced idle capacity. The hybrid system is not competitive under any circumstance due to the costly double piping and treatment. (C) 2016 Elsevier Ltd. All rights reserved. | ||||
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| Language | Wos | 000392788900028 | Publication Date | 2016-11-23 | |
| Series Editor | Series Title | Abbreviated Series Title | |||
| Series Volume | Series Issue | Edition | |||
| ISSN | 0043-1354; 1879-2448 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
| Impact Factor | Times cited | Open Access | |||
| Notes | Approved | no | |||
| Call Number | UA @ admin @ c:irua:143853 | Serial | 7587 | ||
| Permanent link to this record | |||||