CO2 capture and separation; DMOF-1; Metal organic framework; Physical and Theoretical Chemistry; Inorganic Chemistry; Materials Chemistry
Abstract :
[en] In this study, dabco MOF-1 (DMOF-1) with four different functional groups (NH2, NO2, Br and azobenzene) has been successfully synthesized through systematic control of the synthesis conditions. The functionalised DMOF-1 is characterized using various analytical techniques including PXRD, TGA and N2 sorption. The effect of the various functional groups on the performance of the MOFs for post-combustion CO2 capture is evaluated. DMOF-1s with polar functional groups are found to have better affinity with CO2 compared with the parent framework as indicated by higher CO2 heat of adsorption. However, imparting steric hindrance to the framework as in Azo-DMOF-1 enhances CO2/N2 selectivity, potentially as a result of lower N2 affinity for the framework.
Disciplines :
Chemical engineering
Author, co-author :
Xie, Mingrou; 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
External co-authors :
yes
Language :
English
Title :
Systematic screening of DMOF-1 with NH2, NO2, Br and azobenzene functionalities for elucidation of carbon dioxide and nitrogen separation properties
Department of Chemical Engineering, Imperial College London
Funding text :
N.P. acknowledges the PhD scholarship funding from the Department of Chemical Engineering, Imperial College London . M. X acknowledges the UROP funding from Department of Chemical Engineering, Imperial College London.N.P. acknowledges the PhD scholarship funding from the Department of Chemical Engineering, Imperial College London. M. X acknowledges the UROP funding from Department of Chemical Engineering, Imperial College London.
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