Efficient CO2/N2 separation by mixed matrix membrane with amide functionalized porous coordination polymer filler

摘要

Mixed matrix membrane used to selective removal of CO2 was considered as an efficient solution to energy and environmental sustainability.In this study,a MMM that consists of amide functionalized porous coordination polymer filler (MIL-53-NH2) was successfully prepared,which sharply promotes the CO2/N2 selectivity from 44 (neat polymeric membrane) to 75.Remarkably,the positive effect of amide group and nanochannel of MIL-53-NH2 filler was illustrated by decreased selectivity of the MMM with formic acid modified MIL-53-NH2 filler (MIL-53-NHCOH).