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1、JOURNALOFCOLLOIDANDINTERFACESCIENCE194,138±153(1997)ARTICLENO.CS9750952-Dand3-DInteractionsinRandomSequentialAdsorptionofChargedParticles,1MatthewR.Oberholzer,*JimM.Stankovich,²StevenL.Carnie,²DerekY.C.Chan,²andAbrahamM.Lenhoff*²DepartmentofMathematicsandStatistics,UniversityofMel
2、bourne,Parkville3052,Australia;*CenterforMolecularandEngineeringThermodynamics,DepartmentofChemicalEngineering,UniversityofDelaware,Newark,Delaware19716ReceivedMarch31,1997;acceptedJuly24,1997Here,increasingcoveragebothreducestheamountofin-Weexplorethein¯uenceofelectrolyteconcentr
3、ationontheterfacialareaavailableforadsorptionandincreasestheprox-adsorptionofchargedspheresusingmodelingtechniquesbasedimityofadsorbatemoleculestooneanother,therebymakingonrandomsequentialadsorption(RSA).Wepresentaparametricthissituationmorecomplexthanthelowcoveragelimit.studyofth
4、eeffectsofdoublelayerinteractionsbetweentheSincehighcoveragesarealsooftechnologicalinterestinchargedparticlesandbetweentheparticleandthesubstrateonthejamminglimitusingatwo-dimensionalRSAsimulationsimilarviewofthemoreef®cientuseofadsorbentcapacity,thetothatofZ.Adamczyketal.(1990,J.
5、ColloidInterfaceSci.140,developmentofeffectiveandrealisticapproachesformodel-123)alongwithasimplemethodofestimatingjamminglimitingthisbehaviorisofgreatpracticalimportance.coverages.Inaddition,wepresentamorerealisticRSAalgorithmThemostwidelyusedbasisformodelingadsorptionisthatinclu
6、desexplicitenergeticinteractioninthreedimensions,thatduetoLangmuir,whoconsideredadsorptiontotakethatis,particle±particleandparticle±surfaceinteractionsduringplaceatindividual,independentsites,eachabletoaccommo-theapproachofaparticletothesubstrate.Thecalculationofdateoneadsorbatemo
7、lecule.Considerationofreversibleinteractionenergiesinthe3-DRSAmodelisachievedwiththemassactionkineticsthenledtothewell-knownhyperbolicaidofathree-bodysuperpositionapproximation.The3-DRSAisotherm.Experimentaldatafromaverywidevarietyofmodeldiffersfromthe2-Dmodelinthattheextentofcove
8、ragesystemshavebeen®ttedtotheLang
