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1、GModelCEJ-8611;No.ofPages8ARTICLEINPRESSChemicalEngineeringJournalxxx(2011)xxx–xxxContentslistsavailableatSciVerseScienceDirectChemicalEngineeringJournaljournalhomepage:www.elsevier.com/locate/cejAdsorptionofbasicyellow87fromaqueoussolutionontotwodifferentmeso
2、porousadsorbentsXinboab,∗a,∗∗cde,fbbbWu,K.N.Hui,K.S.Hui,S.K.Lee,W.Zhou,R.Chen,D.H.Hwang,Y.R.Cho,Y.G.SonaDepartmentofSystemsEngineeringandEngineeringManagement,CityUniversityofHongKong,HongKongbDepartmentofMaterialsScienceandEngineering,PusanNationalUniversity,
3、RepublicofKoreacEnergyPolicyResearchCenter,KoreaInstituteofEnergyResearch,RepublicofKoreadSchoolofEngineering,SunYat-senUniversity,ChinaeInstituteofEngineeringThermophysics,ChongqingUniversity,ChinafKeyLaboratoryofLow-gradeEnergyUtilizationTechnologiesandSyste
4、ms,MinistryofEducation,ChinaarticleinfoabstractArticlehistory:Theadsorptioncharacteristicsofbasicyellow87fromaqueoussolutionwereinvestigatedusingReceived21July2011twomesoporousmaterials:MCM41andcarbonaerogel(MCA).TheadsorbentswereanalyzedbyN2Receivedinrevisedf
5、orm4November2011adsorption–desorption4techniqueandtransmissionelectronmicroscopytoelucidatetheeffectofporeNovember2011Acceptedpropertiesontheadsorptionbehaviorofbasicyellow87.ThreeadsorptionisothermswereusedtomodeltheKeywords:equilibriumadsorptionofbasicyellow
6、87ontwomesoporousadsorbents.TheresultindicatesthattheAdsorptionRedlich–Petersonisothermmodeldescribestheadsorptionofbasicyellow87extremelywell.TheadsorptionDyeprocessofMCM41wasexothermicandthatofMCAwasendothermic.KineticstudiesshowthatWastewatertheadsorptionof
7、MCM41andMCAfollowedthepseudo-second-orderkineticmodel.Batchexperi-mentswereconductedtostudytheeffectsofpH(1.2–13.0),dosage(0.025–0.200g/50mL),andparticleBasicyellow87size(5–10,10–20,20–40,and≥200mesh)ondyeadsorption.ThemesoporousadsorbentswerehighlyMesoporousm
8、aterialeffectiveasadsorbentsforbasicyellow87fromaqueoussolution.Inparticular,theinitialadsorptionrateofMCM41wasfasterthanthatofMCA,butitsadsorptioncapacityindilutesolutionswaslower