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催化学报 2008
微结构的纳米设计膜反应器中的催化, PP. 1169-1177 Keywords: membranereactor,thermodynamiccontrol,kineticcontrol,partialoxidationofhydrocarbons,waterdissociation,watersplitting Abstract: ？Forthermodynamicallyandkineticallycontrolledcatalyticreactions,theinfluenceofamembraneisdiscussed.Forreactionsoperatingneartothethermodynamicequilibrium,theconversioncanbeincreasedifone/alloftheproductsis/areselectivelyremovedinanextractortypemembranereactor.Examplesareesterifications,dehydrogenations,andwaterdissociationusingwater,hydrogen,andoxygenselectivemembranes,respectively.Forkineticallycontrolledreactions,i.e.reactionswithaverynegativefreeenthalpy,mainlytheselectivitycanbeincreasedviathecontrolofthepartialpressureoftheeductsbydosingeffectsusingdistributor/contactormembranereactors.Examplesarepartialoxidationsandhydrogenations.Indetail,theapplicationofanoxygentransportingperovskitehollowfibermembranewithanano-designedgrainboundarystructureinthehydrogenproductionbythermalwatersplittingandinthepartialoxidationofhydrocarbonsascasestudiesforthermodynamicallyandkineticallycontrolledreactionsisdiscussed.
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