高聚聚硫氯化铝混凝去除水中腐殖酸

95Vol．9No．520155ChineseJournalofEnvironmentalEngineeringMay20151233*1231．1000842．0170003．410012Al13Al30PAC-Al13PAC-Al30。PAC-Al30SO2－4/Al3+0.06SO2－4SPAC-Al30。FerronSO2－4SPAC-Al304.85nmAlcPAC-Al13PAC-Al3052.7%17.5%。ζSPAC-Al30PAC-Al30PAC-Al13SPAC-Al30。SPAC-Al30SPAC-Al30。X703.1A1673-9108201505-2091-04CoagulationcharacteristicsofsulfatedpolyaluminiumchlorideSPAC-Al30forhumicacidremovalfromwaterWuZhen123ZhangPanyue3LiJiding1ZhangXian2YeJie31．DepartmentofChemicalEngineeringTsinghuaUniversityBeijing100084China2．DepartmentofWaterResources＆EnvironmentalTreatmentRedbudInnovationInstituteOrdos017000China3．CollegeofEnvironmentalScienceandEngineeringHunanUniversityChangsha410012ChinaAbstractPolyaluminumchloridePAC-A1l3withahighA1l3contentandPAC-Al30withahighAl30contentwereprepared．SulfatedpolyaluminiumchlorideSPAC-Al30withaSO2－4/Al3+molarratioof0．06wasob-tainedbyintroducingSO2－4intoPAC-Al30．LaserparticlesizeanalysisshowedthatthemeansizeofSPAC-Al30wasabout4．85nmandFerroncolorimetryanalysisshowedthatAlcspeciescontentinSPAC-Al30were52.7%and17.5%higherthanthatinPAC-Al13andPAC-Al30respectively．SPAC-Al30possessedaweakerelectricneu-tralizationcapacityaccordingtotheZetapotentialanalysishoweveritshowednotonlymoreeffectivecoagula-tionefficiencyatlowdosagebutalsomorestabletoremovehumicacidsHAsinabroaderpHrangecomparedtoPAC-A1l3andPAC-Al30coagulants．ThenanometermoleculardiameterandhighpolymerhydrolysisspeciesofSPAC-Al30mayhelpitplayabetteradsorptionbridgingandsweepingrole．SPAC-Al30isanewandefficientco-agulantforHAsremoval．Keywordssulfatedpolyaluminiumchlorideenhancedcoagulationhumicacidhydrolysisspecies5117804750978088510390012013EG111129NJZZ130172014－03－242014－05－201983—。[e-mail]*[e-mail]1-3。PACPACAlPAC45。AlO4Al12OH24H2O127+Al13PAC6-8Rowsell9Allouche10A113A1O42A128OH56H2O2618+A1309。Chen11、Al30PAC-Al30A130Al13。PAC-Al301213。SiO2－3、Fe3+Ca2+1415。PAC-Al30SO2－4。11．1MY3000-6BWTW-pH315i85-2WKYI2550ZetasizerNanoZS。。。1．2PAC-Al13。0．4mol/LNa2CO30．4mol/LAlCl3·6H2O。PAC-Al1395℃、12hPAC-Al30。SPAC-Al30PAC-Al30Na2CO3AlCl3·6H2OSO2－4/Al3+0.06Na2SO4。2．0AlT0.2mol/L。5d。1．3。10mg/LNaHCO310mg/L。0.1mg/LNaOH0．1mg/LHC1pH。。500mL200r/min2min30r/min20min30min。1～2cm254nmUV254。UV2543712。1．4Ferron16AlFerronAla、AlbAlc。5dZetasizerNanoZS。500mLZetasizerNanoZSζ。。UV2550254nmUV254。22．1Ferron1。PAC-Al13Alb62.5%PAC-Al30AlcPAC-Al13PAC-Al135.4%40.6%SPAC-Al30Alc58.1%。1PAC-Al13、PAC-Al30SPAC-Al30Ala32.1%、27.3%24.4%AlcAlb。1Fig．1Speciesdistributionofcoagulants2SPAC-Al30PAC-Al13PAC-Al304.85nmPAC-Al13PAC-Al302.223.86nm。SPAC-Al30PAC-Al13PAC-Al30。SO2－4290252Fig．2Sizedistributionofcoagulants1718。2．2ζ。3ζ0.40mmol/Lζ。3PAC-Al13PAC-Al30ζSPAC-Al30ζ。1.44mmol/LPAC-Al13、PAC-Al30SPAC-Al30ζ32.10、32.7027.90mV。。3ζFig.3Effectofcoagulationdosageonζpotentialofcolloids2．3pH4pHpHpH5。pH≤5．0pHAlOH3AlOH4。pH。pH。4pH4.01～7.97SPAC-Al30PAC-Al13PAC-Al30UV254。SPAC-Al30AlcAlc。4pHFig.4EffectofpHonhumicacidremoval2．45。5SPAC-Al30PAC-Al13PAC-Al30。0.64mmol/LSPAC-Al3097.3%1.44mmol/LPAC-Al13PAC-Al30SPAC-Al30。5Fig．5Effectofcoagulationdosageonhumicacidremoval390293SPAC-Al30。1PAC-Al13PAC-Al30SPAC-Al30Alc。2SPAC-Al30PAC-Al13PAC-Al30。0．64mmol/LSPAC-Al3097.3%。3SO2－4SPAC-Al30SPAC-Al30。1FanZihongGongSongXuXuanetal．Characteriza-tionDBPsformationandmutagenicityofdifferentorganicmatterfractionsintwosourcewaters．InternationalJournalofHygieneandEnvironmentalHealth20142172-3300-3062BondT．GoslanE．H．ParsonsS．A．etal．Disinfec-tionby-productformationofnaturalorganicmattersurro-gatesandtreatmentbycoagulationMIEXandnanofiltra-tion．WaterResearch20104451645-16533．PAC．2009361041-1043ZhaoChunluHanZhenXunTao．RemovalofhumicacidbyPACcompoundedwithclay．ChineseJournalofEnviron-mentalEngineering2009361041-1043inChinese4LiuYongjunLiuZheWangFukunetal．RegulationofaerobicgranularsludgereformulationaftergranularsludgebrokenEffectofpolyaluminumchloridePAC．Biore-sourceTechnology2014158201-2085．．2013772443-2446ZhengShupingLiYajingSunLiping．Enhancedcoagula-tionoflandfillleachatewithcombinationofpolyaluminumchlorideandpowderedactivatedcarbon．ChineseJournalofEnvironmentalEngineering2013772443-2446inChinese6BiZheFengChenghongWangDongshengetal．Trans-formationofplanarMgelAl13coagulantduringthedilutionandagingprocess．ColloidsandSurfacesAPhysicochemi-calandEngineeringAspects201341673-797XuWeiyingGaoBaoyuDuBinetal．Influenceofshearforceonflocpropertiesandresidualaluminuminhumicacidtreatmentbynano-Al13．JournalofHazardousMateri-als20142711-88BiZheChenYoujunWangShuifengetal．HydrolyzedAlIII-clusters．IISpeciationtransformationandstabili-tyofAl13aggregates．ColloidsandSurfacesAPhysico-chemicalandEngineeringAspects201444059-629RowsellJ．NazarL．F．Speciationandthermaltransfor-mationinaluminasolsstructuresofthepolyhydroxyox-oaluminumclusterA130O8OH56H2O2618+anditsδ-Kegginmoieté．JournaloftheAmericanChemicalSocie-ty2000122153777-377810AlloucheL．GérardinC．LoiseauT．eta1．A130Agiantaluminumpolycation．AngewandteChemieInterna-tionalEdition2000393511-51411ChenZhaoyangFanBinPengXianjiaetal．EvaluationofAl30polynuclearspeciesinpolyaluminumsolutionsascoagulantfor