High Flux Ultrafiltration.pdf

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1、Boylewoo上传，必属精品。RIJKSUNIVERSITEITGRONINGENHighFluxUltrafiltrationProefschriftterverkrijgingvanhetdoctoraatindeWiskundeenNatuurwetenschappenaandeRijksuniversiteitGroningenopgezagvandeRectorMagnificus,dr.D.F.J.Bosscher,inhetopenbaarteverdedigenopvrijdag

2、28april2000om14.15uurdoorTomReinoudNoordmangeborenop15april1967teZwollerkerspelBoylewoo上传，必属精品。Promotor:Prof.ir.J.A.WesselinghBeoordelingscommissie:Prof.dr.R.KrishnaProf.dr.ir.J.T.F.KeurentjesProf.dr.ir.L.P.B.M.JanssenISBN:90-367-1222-XBoylewoo上传，必属精品

3、。ContentsChapter1Introductiontomembranefiltration1Chapter2Transportoflargemoleculesthroughmembranes19withnarrowpores:Thesphere-in-tubeanalogyChapter3RejectionofphosphatesbyaZrO2ultrafiltration57membraneChapter4Concentrationanddesalinationofprotein73so

4、lutionsChapter5Fluidisedparticlesasturbulencepromotersin99ultrafiltration:ImprovementoffluxandrejectionChapter6Deformationwearofmembranesduetofluidised125particlesChapter7Effectofsuspendedparticlesontheultrafiltration147flux:Filtrationofaqueousextract

5、sofsoywheySummary159Samenvatting165Nawoord173Boylewoo上传，必属精品。Chapter1IntroductiontomembranefiltrationMembranefiltrationisanattractiveseparationprocess,asitisusuallyperformedundergentleconditions.Membraneprocesseshavefoundwideapplicationinespeciallythe

6、biochemical,foodandbeverageindustry.Examplescanbefoundinthetreatmentofwastewater,desalinationprocessesandconcentrationofproteinsolutions.Separationofdifferentcomponentsisachievedbyacombinationofsieving,hinderedtransportthroughthenarrowmembraneporesand

7、otherspecificinteractionsbetweenthecomponentsandthemembranematerial(suchasadsorption,electricalinteractions).Theprocesscanbedrivenbydifferentforces:aconcentrationdifferenceonbothsidesofthemembrane(dialysis),apressuredifferenceoverthemembrane(ultrafilt

8、ration,reverseosmosis)orbyan(externally)appliedelectricalfield(electrodialysis).Thisthesisisonpressuredrivenmembranefiltration(especiallyultrafiltration).Thedifferentpressuredrivenmembraneprocessesareusuallyclassifiedbaseduponthesizeofthesolut