Article (Périodiques scientifiques)
Investigation of Azo-COP-2 as a Photoresponsive Low-Energy CO2 Adsorbent and Porous Filler in Mixed Matrix Membranes for CO2/N2 Separation
Li, Siyao; Prasetya, Nicholaus; LADEWIG, Bradley Paul
2019In Industrial and Engineering Chemistry Research, 58 (23), p. 9959 - 9969
Peer reviewed vérifié par ORBi
 

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Mots-clés :
CO2 adsorbents; Mixed matrix membranes; Nanoporous polymers; Photo-responsive; Photoswitching; Porous fillers; Post-combustion captures; Separation performance; Chemistry (all); Chemical Engineering (all); Industrial and Manufacturing Engineering
Résumé :
[en] Azo-COP-2 is a nanoporous polymer with exceptional CO2/N2 separation performance. In this study, we further investigate the application of Azo-COP-2 as a low-energy CO2 adsorbent and porous filler in mixed matrix membranes (MMMs) for CO2/N2 separation. As an adsorbent, the UV-irradiated Azo-COP-2 showed lower CO2 uptake than in the nonirradiated state, and Azo-COP-2 also exhibited highly efficient CO2 photoswitching between the two states. Combined with high CO2/N2 selectivity, this makes Azo-COP-2 an excellent candidate for low-energy CO2 capture and release. Azo-COP-2 is also shown to be a beneficial filler in MMMs. For polysulfone-based MMMs, the CO2 permeability and CO2/N2 selectivity could be increased up to 160% and 66.7%, respectively. The strategy shows the great potential of Azo-COP-2 not only for a low-energy CO2 adsorbent but also to improve the performance of conventional polymeric membranes for CO2 postcombustion capture.
Disciplines :
Ingénierie chimique
Auteur, co-auteur :
Li, Siyao ;  Barrer Centre, Department of Chemical Engineering, Imperial College London, London, United Kingdom
Prasetya, Nicholaus;  Barrer Centre, Department of Chemical Engineering, Imperial College London, London, United Kingdom
LADEWIG, Bradley Paul  ;  University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Engineering (DoE) ; Barrer Centre, Department of Chemical Engineering, Imperial College London, London, United Kingdom ; Institute for Micro Process Engineering (IMVT), Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
Co-auteurs externes :
yes
Langue du document :
Anglais
Titre :
Investigation of Azo-COP-2 as a Photoresponsive Low-Energy CO2 Adsorbent and Porous Filler in Mixed Matrix Membranes for CO2/N2 Separation
Date de publication/diffusion :
12 juin 2019
Titre du périodique :
Industrial and Engineering Chemistry Research
ISSN :
0888-5885
eISSN :
1520-5045
Maison d'édition :
American Chemical Society
Volume/Tome :
58
Fascicule/Saison :
23
Pagination :
9959 - 9969
Peer reviewed :
Peer reviewed vérifié par ORBi
Organisme subsidiant :
Imperial College London
Subventionnement (détails) :
N.P. acknowledges the Ph.D. scholarship funding from the Department of Chemical Engineering, Imperial College, London. The assistance from Dr. Piers Gaffney in synthesizing tetranitrophenylmethane is gratefully acknowledged. The authors also acknowledge Marcus Cook for providing PIM-1 used in this study. The authors also acknowledge BASF Germany and Huntsman for kindly providing polysulfone and Matrimid, respectively, which were used in this study.
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depuis le 15 janvier 2024

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