Use of nonporous polymeric flat-sheet gas-separation membranes in a membrane-iquid contactor: Experimental studies

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dc.contributor.authorBessarabov D.G.
dc.contributor.authorJacobs E.P.
dc.contributor.authorSanderson R.D.
dc.contributor.authorBeckman I.N.
dc.date.accessioned2011-05-15T15:59:42Z
dc.date.available2011-05-15T15:59:42Z
dc.date.issued1996
dc.description.abstractFlat-sheet non-porous asymmetric poly( vinyltrimethylsilane) (PVTMS) membranes and composite membranes comprising a dense layer of polydimethylsiloxane/polyphenylsilsesquioxane (PDMS/PPSQ) block copolymer were evaluated for low-temperature bubble-free deoxygenation of water flowing in a two-channel countercurrent liquid-membrane contactor. A novel large-scale three-channel flowing-liquid-membrane module (selective membrane valve), designed for gas separation, is also described. The system comprised PVTMS or PDMS/PPSQ non-porous membranes which acted as gas-permeable barriers. A membrane system (SMV) in which pure water formed a flowing liquid membrane was evaluated to control hydrogen transfer rates. The liquid flowing along the turbulence-promoter spacers between the membranes reduced liquid-film resistance. The overall mass-transfer coefficients were found to be a function of the liquid flow rate. The liquid-film resistance controlled the rate of gas transfer in such membrane contactors.
dc.description.versionArticle
dc.identifier.citationJournal of Membrane Science
dc.identifier.citation113
dc.identifier.citation2
dc.identifier.issn3767388
dc.identifier.other10.1016/0376-7388(95)00126-3
dc.identifier.urihttp://hdl.handle.net/10019.1/11322
dc.subjectMembranes-Liquid
dc.subjectSeparation-Gas/Gas
dc.subjectBlock copolymers
dc.subjectFlow of fluids
dc.subjectGas permeable membranes
dc.subjectLiquid membranes
dc.subjectMass transfer
dc.subjectPolysilanes
dc.subjectSeparation
dc.subjectFlowing liquid membranes
dc.subjectGas separation
dc.subjectLow temperature bubble free deoxygenation
dc.subjectMembrane liquid contactors
dc.subjectNonporous membranes
dc.subjectPoly(vinyltrimethylsilane)
dc.subjectPolydimethylsiloxane
dc.subjectPolyphenylsilsesquioxane
dc.subjectPolymeric membranes
dc.subjectcopolymer
dc.subjectdimeticone
dc.subjecthydrogen
dc.subjectsilane derivative
dc.subjectartificial membrane
dc.subjectconference paper
dc.subjectgas diffusion
dc.subjectliquid membrane
dc.subjectmembrane permeability
dc.subjectoxygenation
dc.subjectpriority journal
dc.subjectwater flow
dc.titleUse of nonporous polymeric flat-sheet gas-separation membranes in a membrane-iquid contactor: Experimental studies
dc.typeArticle
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