Fabrication of bmimPF6-PVDF/PP composite membrane forCO2/N2 separation

摘要：

A new type of composite membrane based on ionic liquid and polymer has been fabricated by loading 1-butyl-3-methylimidazolium hexafluorophosphate (bmimPF6) in polyvinylidene fluoride (PVDF) matrix on a polypropylene (PP) porous support membrane using solvent evaporation method. The membrane was characterized by XRD and SEM analysis, and the CO2/N2 separation performance of the membranes with different bmimPF6 loadings was examined with pure gas permeation experiment. The membrane presents increasing CO2 permeance and CO2/N2 selectivity with the increase of bmimPF6 loadings as well as high long-term stability at cross-membrane pressure difference of 0.4 MPa, resulting from the microphase separation in the composite membrane as verified by the SEM and XRD studies.

关键词： gas separation CO2 ionic liquid bmimPF6 composite membrane

作者: Wei Zhao Gaohong He Fei Nie Jia Ju Lingling Zhang

作者单位: State Key Laboratory of fine Chemicals, R&D Center of Membrane Science and Technology,Dalian Univers State Key Laboratory of fine Chemicals, R&D Center of Membrane Science and Technology,Dalian Univers

会议类型: 国际会议

会议名称: The 12th Asian Pacific Confederation of Chemical Engineering Congress(第十二届亚太化工联盟大会暨化工展览会)

会议地点: 大连

会议语种:英文

在线出版日期: 2008-08-04（万方平台首次上网日期，不代表论文的发表时间）