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1、GModelJECE7241-7ARTICLEINPRESSJournalofEnvironmentalChemicalEngineeringxxx(2015)xxx-xxxPleasecitethisarticleinpressas:J.Li,etal.,Effectofaddingalumsludgefromwatertreatmentplantonsewagesludgedewatering,J.Environ.Chem.Eng.(2015),http://dx.doi.org/10.1016/jjece.2015.07.021GModelJ
2、ECE7241-7Pleasecitethisarticleinpressas:J.Li,etal.,Effectofaddingalumsludgefromwatertreatmentplantonsewagesludgedewatering,J.Environ.Chem.Eng.(2015),http://dx.doi.org/10.1016/jjece.2015.07.021GModelJECE7241-73Q1JunLia,b,Correspondingauthorat:CollegeofCivilEngineeringandArchite
3、cture,ZhejiangUniversityofTechnology,No.18,ChaoWangRoad,Hangzhou,China.Tel.:+86571;fax:+86571.E-mailaddress:tanweilijun@zjut.edu.cn(J.Li).,LiuLiua,c,JunLiub,TingMaa,AilanYanb,YongjiongNia12ELSEVIERContentslistsavailableatScienceDirectJournalofEnvironmentalChemicalEngineeringjo
4、urnalhomepagewww.elsevier.com/locate/jeceEffectofaddingalumsludgefromwatertreatmentplantonsewagesludgedewatering456aCollegeofCivilEngineeringandArchitecture,ZhejiangUniversityofTechnology,No.18,ChaoWangRoad,Hangzhou,ChinabCollegeofBiologicalandEnvironmentalEngineering,Zhejiang
5、UniversityofTechnology,No.18,ChaoWangRoad,Hangzhou,ChinacHangzhouUrban&RuralConstructionDesignInstituteCo.,Ltd.,No.22,GuJiaFanRoad,Hangzhou,ChinaARTICLEINFOABSTRACTArticlehistory:Received4May2015Accepted28July2015Keywords:AlumsludgeSewagesludgePhysicalconditionersChemicalcondi
6、tionersMoisturecontent3D-EEMAlumsludgefromwatertreatmentplantcontainedresidualpolyaluminumchloride(PACl)andlargeamountinorganicmatters.Alumsludgeactedaschemicalconditionerandphysicalconditionerimprovedthesewagesludgedewatering.Itindicatedthattheadditionofalumsludgereducedthedo
7、sageofpolyacrylamide(PAM)anddecreasedthemoisturecontentofsewagesludge.Themoisturecontentwas64%whentheblendratiowas1kg/kg(dryalumsludge/drysewagesludge)withplate-and-framefilterpress.The3D-excitation-emissionmatrix(3D-EEM)wasusedtoanalyzethesludgedewateringprocess.Amechanismhyp
8、othesisofaddingalumsludgeinsewagesludgeforimprovingthesludged
