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1、PowderTechnology203(2010)419–427ContentslistsavailableatScienceDirectPowderTechnologyjournalhomepage:www.elsevier.com/locate/powtecPredictingparticlesegregationincross-flowgasfiltrationa,⁎,R.W.GreenwoodbcdaV.Sibanda,J.P.K.Seville,Y.Ding,S.IyukeaDepartmentofChemi
2、calandMetallurgicalEngineering,UniversityofTheWitwatersrand,PrivateBag3,Wits2050,SouthAfricabSchoolofChemicalEngineering,TheUniversityofBirmingham,Edgbaston,Birmingham,B152TT,UKcSchoolofEngineering,UniversityofWarwick,CoventryCV47AL,UKdInstituteofParticleScien
3、ce&Engineering,UniversityofLeeds,LeedsLS29JT,UKarticleinfoabstractArticlehistory:Cross-flowfiltrationishasfoundconsiderableapplicationinsolid/liquidseparationbutislittle-usedinReceived17August2009filtrationofgases.Inthisfiltrationmode,acomponentoftheparticle-laden
4、flowpassesthroughthefilter,Receivedinrevisedform24March2010depositingparticlesonthesurface,whileanothercomponentremainsparalleltothesurface,causingshearAccepted28March2010onthedepositedcake.Solid/gasseparationisusuallycarriedoutinthe“dead-end”filtrationmode,where
5、Availableonline10April2010theaerosolarrivesatthefilterontrajectoriesthatareapproximatelyperpendiculartoit.Earlierstudies[V.Sibanda,R.W.Greenwood,J.P.K.Seville,PowderTechnology118(2001)193–202]demonstratedthatcross-Keywords:Filtrationflowfiltrationcanbeappliedtoga
6、sfiltrationandthatundercertainoperatingconditions,particleaggregationCeramicfiltercanoccuronthesurfaceandtheaggregatescansubsequentlyberemovedbythethrough-flowandcollectedinFiltercakeadownstreamdevice.Particlesizedistributionmeasurementsofthefiltercakesformedatdif
7、ferentcross-flowPressuredropconditionsalsosuggestthatsignificantsegregationofparticlesoccursinthisfiltrationmode.FinerparticlesParticletrajectorywereobservedtoreporttothefiltercakeatlowcross-flowratiosandlargeronesathighercross-flowratios.InSegregationthispaper,meas
8、urementsoftheparticlesizedistributionoffiltercakesformedunderavarietyofcross-flowconditionswerecarriedoutandamathematicalmodeltodescribethesegregationwasdeveloped.Themodelisfoundtopr
