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金属学报(英文版) 1999
PREPARATION OF SILICA MOLECULAR SIEVE MEMBRANE FOR HYDROGEN SEPARATIONKeywords: silica,ceramic membrane,inorganic composite membrane,sol,gel Abstract: 1.IntroductionTheporesizeofthecommerciallyavailableceramictubesupportedγaluminaporousmembraneis2050?.GasflowthroughthemembraneisconsideredasKnudsendiffusionmechanism〔1,2〕andthetheoreticalH2/N2separationfactoris374whichcannotattainhighpurityhydrog…
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