Incorporating amino acids functionalized graphene oxide nanosheets into Pebax membranes for CO2 separation
Separation and Purification Technology（2022）
Abstract
•Amino acids functionalized GO nanosheets were mixed with Pebax to fabricate MMMs.•Amine and carboxyl groups intensified facilitated mechanism and solution mechanism.•DFT calculation revealed the interaction between gases molecules and amino acids.•Arg@GO/Pebax (0.4) membrane exhibited high CO2/N2 separation performance.
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Key words
Graphene oxide nanosheets,Versatile nanofillers,Mixed matrixed membranes,Transfer mechanism,High separation performance
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