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Author Sui, Y.
Title Producing nutritional protein with Dunaliella microalgae : technological and economic optimization Type Doctoral thesis
Year 2019 Publication Abbreviated Journal
Volume Issue Pages 140 p.
Keywords Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract ​In this thesis, microalga Dunaliella salina is highlighted as a novel source of protein to sustain the human needs. As demonstrated in this thesis, the biochemical composition of D. salina is not fixed, and can be substantially influenced by internal and external conditions. In order to comply with the human requirement of protein, various important factors affecting the protein quantity and quality of D. salina have been evaluated in this thesis for an optimized production strategy. All tested parameters, namely salinity, pH, light regimes (continuous light and light/dark cycle), light intensity, nutrient levels and growth phases can contribute to significant variations of protein content and essential amino acid (EAA) level in D. salina. Ultimately, D. salina is capable of producing high amount of superior quality protein, complying with the FAO reference for human consumption. Even better, such protein of superior quality can be accompanied by unique β-carotene accumulation in D. salina, a pigment with anti-oxidant pro-vitamin A effect. In the end, according to the techno-economic analysis (TEA), it is economically feasible to produce D. salina biomass for human nutrition.
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Corporate Author Thesis
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN 978-90-5728-630-8 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:164002 Serial 8420
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Author Alloul, A.
Title Purple bacteria as microbial protein source : technology development, community control, economic optimization and biomass valorization Type Doctoral thesis
Year 2019 Publication Abbreviated Journal
Volume Issue Pages 212 p.
Keywords Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract ​Food production is a cornerstone in contemporary industrial societies. Its production requires land, water and enormous amounts of fertilizers. These precious fertilizers enter the linear food chain and suffer from a cascade of inefficiencies, resulting in detrimental effects to the environment. A radical transforming of the current food production chain is, therefore, essential to guarantee a sustainable future for humanity. ​This thesis has studied the production of microbial protein (i.e. single-cell protein), which is the use of microorganisms such as yeast, fungi, algae and bacteria as protein ingredient for animal feed. The type of microorganisms targeted in this thesis were purple non-sulfur bacteria (PNSB). These bacteria are an extremely heterogenic group that contain photosynthetic pigments and are able to perform anoxygenic photosynthesis. The core focus of the thesis was technology development for the production of PNSB as a source of microbial protein on wastewater and fresh fertilizers. In the final stage of this research, it was the objective to explore the potential of PNSB as a nutritious feed ingredient for shrimp. ​Overall, this work has provided the building blocks to transform the conventional food production chain. The findings show that PNSB production and biomass valorization is within reach. Further pilot implementation and cost reduction will facilitate the introduction of PNSB production in future’s wastewater treatment plants and the valorization of the biomass as nutritious animal feed ingredient.​
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Corporate Author Thesis
Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN 978-90-5728-636-0 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:164820 Serial 8430
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Author Tytgat, T.
Title Research and development of self-supporting TiO2 foams for removal of VOCs from ambient air Type Doctoral thesis
Year 2012 Publication Abbreviated Journal
Volume Issue Pages 164 p.
Keywords Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN 978-90-5728-395-6 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:104607 Serial 8472
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Author Vandekerckhove, T.G.L.; Courtens, E.N.P.; Prat, D.; Boon, N.; Vlaeminck, S.E.
Title The rise of thermophilic biotechnology for nitrogen removal Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages 17 p. T2 - WEF/IWA Nutrient Removal and Recovery C
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151125 Serial 8481
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Author De Cocker, P.; Bessiere, Y.; Hernandez-Raquet, G.; Dubos, S.; Mercade, M.; Sun, X.Y.; Mozo, I.; Barillon, B.; Gaval, G.; Caligaris, M.; Martin Ruel, S.; Vlaeminck, S.E.; Sperandio, M.
Title Short and long term effect of decreasing temperature on anammox activity and enrichment in mainstream granular sludge process Type P1 Proceeding
Year 2017 Publication Abbreviated Journal
Volume 4 Issue Pages 50-54 T2 - Frontiers International Conference on W
Keywords P1 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract This study investigates the impact of lower temperature on short term and long term (down to 10 degrees C) on a completely anoxic anammox granular sludge process. This is the first time granular sludge Anammox is operated in pure anoxic condition in SBR and at low temperature. Conversion performance, kinetic parameters, sludge characteristics and microbial community were analyzed.
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date 2017-05-04
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151120 Serial 8519
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Author Zhang, Q.; De Clippeleir, H.; Al-Omari, A.; Wett, B.; Vlaeminck, S.E.; Murthy, S.
Title Sidestream deammonification on thermal hydrolysis process digestate : strategies to overcome nitritation inhibition Type P3 Proceeding
Year 2015 Publication Abbreviated Journal
Volume Issue Pages 11 p. T2 - IWA Nutrient Removal and Recovery 2015:
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151147 Serial 8522
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Author Vlaeminck, S.E.; Courtens, E.N.P.; Vandekerckhove, T.G.L.; Boon, N.
Title Some like it hot : perspectives for thermophilic nitrogen removal Type P3 Proceeding
Year 2015 Publication Abbreviated Journal
Volume Issue Pages 4 p. T2 - IWA Nutrient Removal and Recovery 2015:
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151145 Serial 8552
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Author Caratelli, D.; Gielis, J.; Ricci, P.E.; Tavkhelidze, I.
Title Some properties of “bulky” links, generated by Generalized Möbius Listing's bodies GML4n Type P3 Proceeding
Year 2013 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:108672 Serial 8555
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Author Zhang, Q.; Vlaeminck, S.E.; DeBarbadillo, C.; Suzuki, R.; Kharkar, S.M.; Al-Omari, A.; Wett, B.; Chandran, K.; Murthy, S.; De Clippeleir, H.
Title Startup strategies of deammonification reactors treating reject water from thermally hydrolyzed solids Type P3 Proceeding
Year 2017 Publication Abbreviated Journal
Volume Issue Pages 5 p. T2 - WEFTEC.17, 30 September 4 October 2017,
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151113 Serial 8579
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Author Tavkhelidze, I.; Gielis, J.
Title Structure of the dm knives and process of cutting of GML(man) or GRT(man) bodies Type A3 Journal article
Year 2019 Publication Sn – 1512-0066 Abbreviated Journal
Volume 33 Issue Pages
Keywords A3 Journal article; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:164897 Serial 8588
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Author Grunert, O.; Robles Aguilar, A.A.; Hernandez-Sanabria, E.; Vandekerckhove, T.; Reheul, D.; Van Labeke, M.-C.; Vlaeminck, S.; Boon, N.; Jablonowski, N.D.
Title Struvite and organic fertilizer impacting the rhizosphere microbial community, nutrient turnover and plant growth performance Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages 12 p. T2 - WEF/IWA Nutrient Removal and Recovery C
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151135 Serial 8589
Permanent link to this record
 

 
Author Muys, M.; Derese, S.; Verliefde, A.; Vlaeminck, S.E.
Title Struvite solubilisation rates enable direct addition To single cell protein bioreactors Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages 10 p. T2 - WEF/IWA Nutrient Removal and Recovery C
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151129 Serial 8590
Permanent link to this record
 

 
Author Keulemans, M.
Title Study of electron transfer processes in plasmonic photocatalysis Type Doctoral thesis
Year 2017 Publication Abbreviated Journal
Volume Issue Pages 170 p.
Keywords Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:147504 Serial 8596
Permanent link to this record
 

 
Author Asapu, R.
Title A study of plasmonic systems using Layer-by-Layer synthesized core-shell nanoparticles Type Doctoral thesis
Year 2018 Publication Abbreviated Journal
Volume Issue Pages 142 p.
Keywords Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:153373 Serial 8603
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Author Vlaeminck, S.E.; Kobayashi, K.; Jandra, J.; Van Nevel, S.; Vandekerckhove, T.G.L.
Title Sulphidotrophic denitrification treating regeneration water from ion exchange at high performance and low opex Type P3 Proceeding
Year 2017 Publication Abbreviated Journal
Volume Issue Pages 3 p. T2 - IWA 2017 Conference on Sustainable Waste
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151108 Serial 8620
Permanent link to this record
 

 
Author Reniers, G.; Sörensen, K.; Vrancken, K.
Title Sustainable industrial chemistry from a nontechnological viewpoint Type H1 Book chapter
Year 2013 Publication Abbreviated Journal
Volume Issue Pages 33-41 T2 - Management principles of sustainable in
Keywords H1 Book chapter; Economics; Engineering Management (ENM); Sustainable Energy, Air and Water Technology (DuEL)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date 2013-03-14
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN 9783527330997; 9783527649488 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:106566 Serial 8629
Permanent link to this record
 

 
Author Gielis, J.
Title Temperate bamboos in ornamental horticulture: differentiators and spillover effects into the 21st century Type H3 Book chapter
Year 2012 Publication Abbreviated Journal
Volume Issue Pages 603-623 T2 - Proceedings of the 9th World Bamboo C
Keywords H3 Book chapter; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:97755 Serial 8644
Permanent link to this record
 

 
Author De Clippeleir, H.; Vlaeminck, S.E.; Courtens, E.N.P.; Jimenez, J.; Wadhawan, T.; Zhang, Q.
Title Toward energy autarky : carbon redirection coupled with shortcut nitrogen processes Type H3 Book chapter
Year 2015 Publication Abbreviated Journal
Volume Issue Pages 129-150 T2 - Shortcut nitrogen removal : nitrite s
Keywords H3 Book chapter; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN 978-1-57278-313-3 Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:130470 Serial 8676
Permanent link to this record
 

 
Author Gielis, J.; Ding, Y.; Shi, P.
Title Towards a geometrical theory of morphology and morphogenesis Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:144548 Serial 8677
Permanent link to this record
 

 
Author Mozo, I.; Lacoste, L.; aussenac, J.; De Cocker, P.; Vlaeminck, S.E.; Sperandio, M.; Caligaris, M.; Graveleau, L.; Barillon, B.; Martin Ruel, S.
Title Towards application of mainstream deammonification on municipal wastewater in warm and cold areas Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages 4 p. T2 - World Cities Summit, Singapore Internati
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
Address
Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151124 Serial 8678
Permanent link to this record
 

 
Author Mozo, I.; Lacoste, L.; Aussenac, J.; De Cocker, P.; Vlaeminck, S.E.; Sperandio, M.; Caligaris, M.; Barillon, B.; Martin Ruel, S.
Title Towards application of mainstream deammonification on municipal wastewater in warm and cold areas Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages 4 p. T2 - WEF/IWA Nutrient Removal and Recovery Co
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151136 Serial 8679
Permanent link to this record
 

 
Author Alloul, A.; Vlaeminck, S.E.
Title Towards upgrading of wastewater resources to microbial protein : volatile fatty acids impacting growth kinetics and yield of purple bacteria Type P3 Proceeding
Year 2017 Publication Abbreviated Journal
Volume Issue Pages 2 p. T2 - 5th IWA Benelux Young Water Professional
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151115 Serial 8683
Permanent link to this record
 

 
Author Vandekerckhove, T.; Courtens, E.N.P.; Prat, D.; Vilchez-Vargas, R.; Vital, M.; Pieper, D.H.; Meerbergen, K.; Lievens, B.; Boon, N.; Vlaeminck, S.E.
Title Transitioning from mesophilic to thermophilic nitrification: shaping a niche for archaeal ammonia oxidizers Type P3 Proceeding
Year 2016 Publication Abbreviated Journal
Volume Issue Pages 9 p. T2 - WEF/IWA Nutrient Removal and Recovery Co
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151126 Serial 8697
Permanent link to this record
 

 
Author Mishra, V.K.; Dons, E.; Panis, L.I.; Frijns, E.; van Poppel, M.; Berghmans, P.; Bleux, N.; Wuyts, K.; Samson, R.
Title Understanding ultrafine particles dynamics within a one km urban grid Type P3 Proceeding
Year 2010 Publication Abbreviated Journal
Volume Issue Pages
Keywords P3 Proceeding; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Publisher Place of Publication Editor
Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:88671 Serial 8709
Permanent link to this record
 

 
Author Lindeboom, R.E.F.; Clauwaert, P.; Alloul, A.; Coessens, W.; Christiaens, M.; Vanoppen, M.; Rabaey, K.; Verliefde, A.R.D.; Vlaeminck, S.E.
Title Water and nutrient recovery from combined urine and grey water treatment in Space Type P3 Proceeding
Year 2015 Publication Abbreviated Journal
Volume Issue Pages 3 p. T2 - IWA Resource Recovery Conference, 30 Aug
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Corporate Author Thesis
Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151143 Serial 8747
Permanent link to this record
 

 
Author Han, M.; Seuntjens, D.; Al-Omari, A.; Takacs, I.; Meerburg, F.; Murthy, S.; Vlaeminck, S.E.; De Clippeleir, H.
Title Water and process parameters as controllers for the ammonia to nitrite oxidation rate ratio in activated sludge Type P3 Proceeding
Year 2017 Publication Abbreviated Journal
Volume Issue Pages 3 p. T2 - IWA 2017 Conference on Sustainable Waste
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
Abstract
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151110 Serial 8748
Permanent link to this record
 

 
Author de Paepe, J.; Lindeboom, R.E.F.; Vanoppen, M.; Alonso Farinas, B.; Coessens, W.; Abbas, A.; Christiaens, M.; Dotremont, C.; Beckers, H.; Lamaze, B.; Demey, D.; Rabaey, K.; Clauwaert, P.; Verliefde, A.R.D.; Vlaeminck, S.E.
Title Water treatment unit breadboard : ground test facility for the recycling of urine and shower water for one astronaut Type P3 Proceeding
Year 2017 Publication Abbreviated Journal
Volume Issue Pages 2 p. T2 - 5th IWA Benelux Young Water Professional
Keywords P3 Proceeding; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL)
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Publisher Place of Publication Editor
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Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved no
Call Number UA @ admin @ c:irua:151114 Serial 8749
Permanent link to this record
 

 
Author Gielis, J.
Title Fred Van Oystaeyen : Time hybrids: a new generic theory of reality Type Review
Year 2023 Publication Symmetry, Culture and Science Abbreviated Journal
Volume 34 Issue 3 Pages 347-351
Keywords Review; Sustainable Energy, Air and Water Technology (DuEL)
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Series Editor Series Title Abbreviated Series Title
Series Volume Series Issue Edition
ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access OpenAccess
Notes Approved Most recent IF: NA
Call Number UA @ admin @ c:irua:199538 Serial 8871
Permanent link to this record
 

 
Author Wittner, N.
Title Improving and characterising solid-state fungal pretreatment by Phanerochaete chrysosporium for sugar production from poplar wood Type Doctoral thesis
Year 2023 Publication Abbreviated Journal
Volume Issue Pages 206 p.
Keywords Doctoral thesis; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL); Biochemical Wastewater Valorization & Engineering (BioWaVE)
Abstract Pretreatment is a critical step in the conversion of lignocellulose into biofuels and biochemicals. During pretreatment, the recalcitrance of lignocellulose is reduced, e.g. by removing lignin, thereby making the carbohydrates more accessible for enzymatic saccharification. Fungal delignification by white-rot fungi is a biotechnological alternative to chemical/physicochemical methods, which is carried out in solid-state fermentation with mild reaction conditions and without the formation of microbial inhibitors. However, fungal pretreatment presents some challenges, such as long pretreatment time, non-selective and low delignification, low enzymatic digestibility and feedstock sterilisation requirement, making its commercial implementation challenging compared to conventional methods. This study investigates the possibility of improving and characterising the solid-state fungal pretreatment of poplar wood by Phanerochaete chrysosporium. The individual and combined effects of MnSO4 and CuSO4 supplements on the delignification of sterilised wood are investigated using response surface methodology to improve the degree and selectivity of fungal delignification. Spore-inoculated solid-state fermentations are carried out for 4 weeks in sterile vented bottles. The mechanism of the concerted action of the metal ions on lignin degradation is then elucidated by relating fungal growth and ligninolytic enzyme activities to lignocellulose degradation as a function of pretreatment time. The optimised metal-supplemented system is then applied to the pretreatment of non-sterilised wood using different inoculation techniques (spores and pre-colonised substrate), nutrients (metal ions with or without glucose and sodium nitrate) and cultivation environments (sterile aerated bottles and open trays). The fermentations are then characterised using infrared spectroscopy, in particular NIR and ATR-FTIR spectroscopy, with the aim of developing rapid lignin quantification methods as an alternative to conventional wet chemical methods. Finally, the feasibility of producing fermentable sugars from sterilised and non-sterilised poplar wood using fungal pretreatment is evaluated through a techno-economic analysis. Supplementing the pretreatment system with 2.01 µmol CuSO4 and 0.77 µmol MnSO4 g-1 wood resulted in 1.9-fold higher lignin degradation, 2.3-fold higher delignification selectivity value and 2.9-fold higher glucose yield. The improved delignification could be explained by the concerted action of Mn2+ and Cu2+ ions, with Mn2+ ions inducing and Cu2+ prolonging manganese peroxidase production responsible for delignification. Fungal pretreatment at non-sterile conditions was obtained using trays in a simple solid-state fermentation set-up without sterile aeration. A 1:3 ratio of pre-colonised and untreated wood was applied for inoculation and only Cu2+, Mn2+ and sodium nitrate as supplements. Remarkably, this technology resulted in a comparably high glucose yield (28.51 ± 0.28%) to the traditional method using sterilised wood, sterile aeration and spores as inoculum, while reducing the amount of wood to be sterilised by 71.2%. Infrared spectroscopy-based methods with high coefficients of determination (R_CV
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Language Wos Publication Date
Series Editor Series Title Abbreviated Series Title
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ISSN (up) ISBN Additional Links UA library record
Impact Factor Times cited Open Access
Notes Approved Most recent IF: NA
Call Number UA @ admin @ c:irua:197185 Serial 8883
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Author Van Putte, N.
Title Improving groundwater dynamics : a key factor for successful tidal marsh restoration Type Doctoral thesis
Year 2023 Publication Abbreviated Journal
Volume Issue Pages 166 p.
Keywords Doctoral thesis; Sustainable Energy, Air and Water Technology (DuEL); Ecosphere
Abstract Tidal marshes take up and release certain elements from and to the river water. Hence, they act as a filter, improving the estuarine water quality. This filtering function depends on the interaction between the marsh soil and water that infiltrates into the marsh platform at high tide and seeps out of the creek banks at low tide. In the past centuries, many tidal marshes disappeared due to large scale land reclamations, together with their associated ecosystem services. Nowadays, tidal marshes are increasingly restored on formerly embanked agricultural areas to regain these ecosystem services. Here, we studied the effect of historical agricultural land use on the contribution of restored tidal marshes to water quality improvement, and we investigated several solutions to stimulate the water quality improving function in newly restored tidal marshes. In restored tidal marshes, the soil is often compacted due to the historical agricultural land use, leading to a reduced organic matter content and micro- and macroporosity. In this compacted soil, groundwater flow is hindered, leading to a more waterlogged soil and reduced groundwater dynamics in the restored marsh as compared to a natural marsh. The depth of groundwater drainage and the groundwater flow velocity have important implications for the processes that contribute to water quality improvement, e.g. removal of nitrogen, phosphorus retention and silica cycling. Where groundwater drains deeper, i.e. in the vicinity of tidal creeks and in a more porous soil, these processes are promoted. We suggest that, in newly restored tidal marshes, the soil porosity can be increased by amending the soil (e.g. with organic matter), and the distance to the nearest tidal creek can be reduced by creek excavation. Numerical modelling showed that the largest gain in groundwater dynamics and seepage was attained when both measures were applied together. The effect of organic soil amendments on groundwater dynamics and nutrient cycling was further explored in a large scale in situ mesocosm experiment. Where the soil was amended, groundwater drained deeper and nitrogen removal increased. For new tidal marsh restoration projects, we advise to conduct an explorative soil study. When the soil is heavily compacted, design measures, such as creek initiation and organic soil amendments can be applied to jumpstart the contribution to water quality improvement of newly restored tidal marshes.
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Call Number UA @ admin @ c:irua:196965 Serial 8884
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