CO_2_CH_4高分子气体分离膜材料研究进展.pdf

2007 26 8 CHEMICAL INDUSTRY AND ENGINEERING PROGRESS ·1075 · CO /CH 2 4 1 2 1 1 1 1 2 210093 210009 CO /CH 2 4 CO /CH 2 4 TQ 028.1 A 1000 6613 2007 08 1075 05 Research progress of polymeric material of gas separation membrane for gas pair CO2/CH4 1 2 1 1 1 TENG Yiwan WU Fawen WANG Hui LI Lei ZHANG Zhibing 1 Department of Chemical Engineering School of Chemistry and Chemical EngineeringNanjing University 2 Nanjing 210093 Jiangsu China Department of Pharmaceutical Engineering; China Pharmaceutical University Nanjing 210009 Jiangsu China Abstract The method of gas membrane separation is an important technology in the separation of gas pair CO /CH .This paper introduces generally the development of the important polymeric materials of 2 4 gas separation membrane at home and abroad in this fieldand recommends specially polyimide (PI) and facilitated transport membranes. Moreover some meaningful improvement of membrane materials is proposed to produce membranes with better performance. Key words gas separation; polymeric membrane material; gas pair CO /CH ; modification 2 4 3 50%70% Schell[1] CO /CH 2 4 3