典型污泥EPS对重金属及相应纳米颗粒的吸附

《典型污泥EPS对重金属及相应纳米颗粒的吸附》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、硕士学位论文典型污泥EPS对重金属及相应纳米颗粒的吸附ADSORPTIONOFHEAVYMETALSANDCORRESPONDINGNANOPARTICLESWITHTHEEPSINTYPICALSLUDGES辛明哈尔滨工业大学2015年6月国内图书分类号：X705学校代码：10213国际图书分类号：628.3密级：公开工学硕士学位论文典型污泥EPS对重金属及相应纳米颗粒的吸附硕士研究生:辛明导师:赵庆良教授申请学位:工学硕士学科:环境科学与工程所在单位:市政环境工程学院答辩日期:2015年6月授予学位单位:哈尔滨工业大学ClassifiedIndex:X705U.D.C:628.4D

2、issertationfortheMasterDegreeinEngineeringADSORPTIONOFHEAVYMETALSANDCORRESPONDINGNANOPARTICLESWITHTHEEPSINTYPICALSLUDGESCandidate:XinMingSupervisor:Prof.ZhaoQingliangAcademicDegreeAppliedfor:MasterofEngineeringSpeciality:EnvironmentalSci.and.Eng.Affiliation:SchoolofMuni.andEnv.EngDateofDefence:J

3、une,2015Degree-Conferring-Institution:HarbinInstituteofTechnology哈尔滨工业大学工学硕士学位论文AbstractWiththerapiddevelopmentoftechnologyandurbansocialmodernization,extensiveuseofheavymetalsandnanoparticlesinevitablyleadtoseriousenvironmentalproblems.Currently,wastewatercontainingheavymetalsandsewagecontainin

4、gnanoparticlesweremainlytreatedbybiotechnology.Sludgewasamajorcomponentofbiologicalwastewatertreatmentsystem.Thesettlingproperties,dehydrationperformance,bioflocculationandsurfacecharacteristicsofsludgewereaffectedlargelybythesludgeextracellularpolymericsubstances(EPS).Atpresent,theadsorptioncha

5、racteristicsofheavymetalionsandnanoparticlesbythewholesludgeEPSarewidelystudied,whilethecomponentanalysisofEPSwhichaffectstheadsorptionperformanceisunknown,andmostofthestudiesarefocusedonwasteactivatedsludge.Therefore,acomprehensiveinquiryofsludgeEPSisimportantforheavymetalionsandnanoparticlesre

6、movalbyabsorption.Thehydrophilic/hydrophobiccomponentsandthephysicalandchemicalcharacteristicsofthreekindsofEPS(theEPSfomactivatedsludge,anaerobicgranularsludgeandanaerobicgranularsludge)werestudiedbyclassificationexperiments.Theresultsshowedthataromaticsubstancesandmicrobialmetaboliteswerethema

7、incontentsinallthethreekindsofsludge.Thecontentofproteininanaerobicflocculentsludgewasthehighest,whichwasfollowedbyanaerobicgranularsludgeandactivatedsludge;Asforpolysaccharides,TOCandUV-254value,anaerobicflocculentsludgecon