Table Of Content

Contents Volume 66 (1992) Vol. 66, No. 1 (February 1, 1992) Novel polymeric membranes for separation of hydrocarbons O.M. Ilinitch, G.L. Semin, M.V. Chertova and K.I. Zamaraev (Novosibirsk, USSR) .......:.:scsssssseeeeeeeseneesenesenseneenenenes 1 Influence of temperature on the ultrafiltration of silica sol in a stirred cell G.T. Vladisavljevié, S.K. Milonjié, D. Nikolié and V.Lj. Pavcasovié (Belgrade, Yugoslavia ) ..........:.ssssssessseseseeeeeeeeenees 9 Characterisation of ultrafiltration membranes by impedance spectroscopy. I. Determination of the separate electrical parameters and porosity of the skin and sublayers H.G.L. Coster, K.J. Kim, K. Dahlan, J.R. Smith and C.J.D. Fell (Kensington, TEsOO csP URIIIII D sss cosccissiniitsiniepenstitssnanneinietnnaeianininnsiaiinmesiibesihaebiieminhiaanediaisatiiassituiinisiiiadletistsiatiiantitieinnienaniiiiianimnninadaliabeeiairatan 19 Numerical simulation for liquid membrane permeation of metal ions in a continuous countercurrent column T. Kataoka, T. Nishiki, Y. Tomioka (Osaka, Japan) and Y. Zhong (Jilin, People’s Rep. China )............ssssssssseseseeees 27 Non-linear flow through compressible membranes and its relation to osmotic pressure P.F. Fuls, M.P. Dell and I.A. Pearson (Pretoria, South Africa) ............ccccccsscsscessssseeeneereeeeeeeeeeeseeenenseesenseneeeneasssneeseeseeesees 37 Critical points in the analysis of membrane pore structures by thermoporometry F.P. Cuperus, D. Bargeman and C.A. Smolders (Enschede, Netherlands ).............:sssssseesseeeessneeseensnesssensseesnnssneesensenees 45 Experimental and modeling studies of a parasitic binding mechanism in facilitated membrane transport A. Dindi, R.D. Noble, J. Yu and C.A. Koval (Boulder, CO, USA)..........ccccsccsssesssssseeseeeeeeneseenssenessnensseeeesneeessseesssenessenes 55 Environment-sensitive properties of polymethacrylic acid-grafted polyethylene membranes M.A. Islam, A. Dimov and A.L. Malinova (Bourgas, Bulgaria )..............ssssssssesssesserssensnsesesensesssenssnesenssenssssensssnsesnsenens 69 Enhancement of membrane performance with employment of cellulose acetate blend A.M. Dave, S.S. Sahasrabudhe, B.V. Ankleshwaria and M.H. Mehta (Baroda, India) ............:ssssseeeeeeeeeeneeennseesenenes 79 Water states in PE-poly (MA-co-DVB) interpolymer type carboxylic ion-exchange membranes R. Wycisk and W.M. Trochimezuk (Wroctaw, Poland) .............:cccsscsssesssssssssesseesssessenseessenssenssnesseeasensssenssnenssnenssnessnneeenenes 89 ete TIE asnsscsenrncsnarcesncnstessnnnsessnesintenstessteesnseesteneienebhesnbeenntenettacéansennssennsenennessonrenssannsnianettasitaninetesthenseesneenitaninineettesneGnneeEn® 97 Meeting Announcement...............cccccsscssscssssessscsssssssecesescesssssesssssessssenscssosssnsssasessssscsscsssssssnsseseseassnsssnssensssoosssssassesssesnsssnnseenness 100 Dbeotins Caleta ....cccccccccssccccsscccccecoccceccconecsoccocecsoconcosesocoocsosoosooocssesoessosnsossssoosssosssseoonseesseessesneseeeeeeeeeeeeseseeeseeesSeeeeeOSePeeSSeeeeseeeeees 101 Vol. 66, Nos. 2+3 (February 19, 1992) Approximate solutions for gas permeators separating binary mixtures K.R. Krovvidi, A.S. Kovvali, S. Vemury and A.A. Khan (Hyderabad, India) ..........:::ssseeeesseerserssnerseresernsennsenssnensnnnes 103 Gas separation by silicon based inorganic membrane at high temperature D. Liand S.-T. Hwang (Cincinnati, OH, USA) ............ccecssesseessessseesessenseesesssenssesssnassnnsnensnensnnssnenssnnssnenesnnassnaeannaaannnnes 119 Gas separation properties of a new polymer/inorganic composite membrane A.B. Shelekhin, E.J. Grosgogeat and S.-T. Hwang (Cincinnati, OH, USA) .........:ccsssseeseeersenesersnerssnensnensnnsnensnnssensannns 129 Fluctuations of biomimetic membranes potential and membrane lysis, induced by surface-active glycine esters M. Podolak (Opole, Poland), N.M. Kocherginsky, I.S. Osak (Moscow, USSR), S. Przestalski and S. Witek (Wroclaw, Poland) ..........ceccccccscscccssccessccccscccssccosscscoscsososoccsccossoossssssosessosessossossoosscosssoossosssooosssoosscooosoososooooossooossooossooocsoooeeees 143 Basic experimental study on palladium membrane reactors N. Itoh, W.-C. Xu and K. Haraya (Tsukuba, Japan) ............cccssccssesssessesssssesensesseeneesseeseeesenseesnessnesenssneesnenssssnseseneseasaneaanes 149 Mechanisms of facilitation and blocking in gramicidin channels by impermeant ions K. Bokvist and J. Sandblom (Goteborg, Sweden ) ............cccsesseeesseeseeseesseesseesseeseesseessessenensesenssnnesseesasnessneesnasannsanensenensans 157 Preparation and properties of vinyl acetate-grafted Nylon 6 membrane by using homografting method J.-Y. Lai and H.-Y. Chen (Chung Li, Taiwan )...........ccccsscssssssssssessssessssessscsssssessesseesssenenenssnenensenensenesnnensensenensenasnannanannennany 169 302 Water transport in cation exchange membranes T. Okada, S.K. Ratkje and H. Hanche-Olsen (Trondheim, Norway) ...........:csssssssssesseeseeeesseseeeeseeseseneseeteeseeeeeeseeseeeseeees Extraction of organics from aqueous solutions by pervaporation. A novel method for membrane characterization and process design in ethyl acetate separation R. Clément (Nancy, France), Z. Bendjama (Bab Ezzouar, Algeria), Q.T. Nguyen and J. Néel (Nancy, France)....... Composite membranes prepared by concentrated emulsion polymerization and their use for pervaporation separation of water-acetic acid mixtures a Cssccm hinsns elt anmnntinnibein esncbsininhosensnebenenblionbensnnsenssonnesesoss Oxygen semipermeable solid oxide membrane composites prepared by electrochemical vapor deposition Y.S. Lin, K.J. de Vries, H.W. Brinkman and A.J. Burggraaf (Enschede, Netherlands) .................:ccsssseeseeeeeeseeeeeeeeeeeees Transport of water through an inorganic composite membrane is EO, IIIS (0O IE, SUID B . . sssoionseensiiiideninnebesonseunsoctnnbennssesicncedesscbenneesoenqessnseesiecsseneeneceucseesoneesseneees Transport number of an ion across an amphoteric ion-exchange membrane in CaCl,-NaCl system Y. Hirata, G. Sugihara and A. Yamauchi (Fukuoka, Japan) ...............cssccsssscssscessscssscsssccsesscsessssessessssesscssssessssccsnssessceensees A general expression for the total release of diffusant through heterogeneous membranes J.-S. Chen (Hsin Chu, Taiwan) and F. Rosenberger (Huntsville, AL, USA) .0........ccccecceeeeeeceeseeeeeeeeeeeeeeeeeeeeeeeeeeeeneees Structural and enzymatic characterizations of papain immobilized onto vinyl alcohol/viny! butyral copolymer membrane ee EE CMEE IOIEID. BITE .T ITIIIND cssccnncdunsnnsensnesientucedsensnsnantioosensanenboenesennsnendansapeaninnsssnnnsunessncneensoneen Gas transport and separation with ceramic membranes. Part I. Multilayer diffusion and capillary condensation R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf (Enschede, Netherlands) ..................c:cccssseceeeseceeeseeeseeeeeeseeeeeeeeeesseeeeeneees Gas transport and separation with ceramic membranes. Part II. Synthesis and separation properties of microporous membranes R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf (Enschede, Netherlands) ..................::ccsesssesseeeeseesseeeeeeeeeeeseceeeeeeeeeeeeeeees Short Communication Preparation of redox cell properties of cation exchange membrane combined anisotropically with polypyrrole EE EET ee ea a OLE CT Ne eT I tll ol aerial an pahiensinintinentianiabentl REE Te a av TE eT Oe aS OS ee ee ee ee nee I i ancl prebietdbiiiiatebaiediecemtadinalenmietioneiechabaniiandiaietl I ee rE rc SE ee ee