期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 52, 期 5, 页码 1901-1907出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie3031136
关键词
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资金
- Spanish Ministry of Economy and Competitiveness [MAT2010-15870, CIT-420000-2009-32]
- Obra Social la Caixa
- Aragon Government [GA-LC-019/2011]
- ESF
- U.S. Department of Energy (DOE) [DE-09FE0001322]
- IREE
- Spanish Ministry for the Ramon y Cajal programme [RYC-2011-08550]
JDF-L1 is a microporous layered titanosilicate. JDF-L1-based composite materials have been prepared by melt compounding commercial polysulfone together with swollen JDF-L1 at a temperature gradient of 303-340 degrees C. During the melt compounding process most of the swollen JDF-L1 was exfoliated, confirmed by thermal, TEM, and XRD analyses. The exfoliated JDF-L1/polysulfone master batch was diluted in polysulfone to obtain mixed matrix membranes (MMMs) with inorganic loadings in the 0-9.5 wt % range, in which exfoliated JDF-L1 particles were well dispersed. The MMMs were applied to the separation of a H-2/CH4 mixture with an improved performance as compared to the pure polymer or to chemically exfoliated JDF-L1/polysulfone membranes. The best performance obtained in this work corresponds to an 8.3 wt % MMM with H-2 permeability and H-2/CH4 selectivity of 12.5 Barrer and 128, respectively.
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