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Van Schoubroeck, S. |
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Title |
A techno-sustainability assessment framework : indicator selection and integrated method for sustainability analysis of biobased chemicals |
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Doctoral thesis |
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2020 |
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195 p. |
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Doctoral thesis; Engineering Management (ENM) |
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Biobased chemistry has gained interest and has the potential to tackle some of the sustainability challenges the chemical industry must endure. Sustainability impacts need to be evaluated and monitored to highlight the advantages and pitfalls of different biobased routes over the product life cycle. A better understanding of the potential sustainability of emerging biobased technologies and products is essential to guide additional research and further technology development. This PhD thesis aims to develop a framework for a techno-sustainability assessment (TSA), while accounting for technological as well as economic, environmental, and social aspects in an integrated approach. First, a review of the state-of-the-art sustainability indicators for biobased chemicals was conducted and a gap analysis was performed to identify indicator development needs. Afterwards, a Delphi study was performed to select sustainability indicators specifically for biobased chemical assessment and to reach consensus among experts on a prioritization of these indicators. Next, the selected sustainability indicators were quantified while integrating technological and country-specific data with environmental characterization factors, economic values and social data. Finally, a stochastic, hierarchical multi-criteria decision analysis (MCDA) integrates the independent techno-sustainability indicators expressed in different units, taking into account stochastic and flexible method options. The developed integrated TSA framework was applied to a case for which a production and harvesting plant of microalgae-based food colorants is assessed. The final aim of the integrated TSA is to compare the potential sustainability performance of different scenarios and to make better-informed choices between alternatives by evaluating environmental, economic and social sustainability impacts in one holistic model. Integrated TSA offers a novel framework where decision makers can assess sustainability already in early technology development stages by identifying potential hurdles and opportunities to guide R&D and make sustainable investment decisions. |
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Most recent IF: NA |
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UA @ admin @ c:irua:174826 |
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6947 |
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Tavkhelidze, I.; Gielis, J.; Pinelas, S. |
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About some methods of analytic representation and classification of a wide set of geometric figures with “complex” configuration |
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A3 Journal article |
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2020 |
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Sn – 1512-0066 |
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34 |
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81-84 |
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A3 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
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Most recent IF: NA |
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UA @ admin @ c:irua:174475 |
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7406 |
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Geerts, R.; Vandermoere, F.; Halet, D.; Joos, P.; Van Den Steen, K.; Van Meenen, E.; Blust, R.; Van Winckel, T.; Vlaeminck, S. |
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Drinking waste? An exploration of public support for wastewater reuse in Flanders |
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P3 Proceeding |
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2020 |
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P3 Proceeding; Sociology; Engineering sciences. Technology; Sustainable Energy, Air and Water Technology (DuEL); Centre for Research on Environmental and Social Change |
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UA @ admin @ c:irua:186706 |
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7825 |
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Vargas Paredes, A.A. |
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Emergent phenomena in superconductors in presence of intraband and cross-band pairing |
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Doctoral thesis |
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2020 |
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142 p. |
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Doctoral thesis; Condensed Matter Theory (CMT) |
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In this thesis we investigate the emergence of new phenomena in multigap superconductors and multicomponent Ginzburg-Landau theories in the presence of intraband and cross-band pairing. The first part contains a review of emergent phenomena in superconductors with only intraband pairing, in particular the mechanism behind gap resonances which are accompanied by Higgs and Leggett modes. Then we study the gap resonances induced by two-dimensional quantum confinement and describe its spatial profile using the Bogoliubov-de Gennes equations. In the second part we describe the conditions where the cross-band pair formation is feasible. Using the formalism of Green functions we obtain the equations governing the interplay between intraband and cross-band pairing. Also, we derived the Ginzburg-Landau equations considering both intraband and cross-band pairing. Finally, we describe the crossover between the intraband-dominated and crossband-dominated regimes. These two are delimited by a tendency towards a gapless state. When a magnetic field is applied close to the gapless state, we found new arrangements of vortices like square lattices, stripes, labyrinths or of vortex clusters. The experimental signatures and consequences of crosspairing are discussed for MgB2 and Ba0.6K0.4Fe2As2. |
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Most recent IF: NA |
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UA @ admin @ c:irua:165865 |
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7899 |
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Gielis, J.; Tavkhelidze, I. |
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The Mӧbius phenomenon in Generalized Mӧbius-Listing bodies with cross sections of odd and even polygons |
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A3 Journal article |
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2020 |
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Sn – 1512-0066 |
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34 |
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23-26 |
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A3 Journal article; Sustainable Energy, Air and Water Technology (DuEL) |
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Most recent IF: NA |
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UA @ admin @ c:irua:174474 |
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8257 |
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Author |
Nakhaee, M. |
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Tight-binding model for two-dimensional materials |
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Doctoral thesis |
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2020 |
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139 p. |
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Doctoral thesis; Condensed Matter Theory (CMT) |
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abstract not available |
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Most recent IF: NA |
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UA @ admin @ c:irua:166134 |
Serial |
8671 |
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