粉煤灰混凝SBR法处理高浓度洗涤剂废水李荣喜

56Vol．5No．620116ChineseJournalofEnvironmentalEngineeringJun．2011--SBR123111．4100032．4100823．410082、、-SBR。COD6000～7000mg/L、LAS600～650mg/LCODLAS76.4%77.1%、PAC。SBRCOD≤500mg/LLAS≤17mg/L92.4%92.4%。。SBRLASX703.1A1673-9108201106-1251-06Treatmentofhigh-strengthsyntheticdetergentwastewaterbyflyash-coagulationandSBRprocessLiRongxi1YangChunping23XuDifa1SongYong11．DepartmentofBiologicalEngineeringandEnvironmentalScienceChangshaUniversityChangsha410003China2．CollegeofEnvironmentalScienceandEngineeringHunanUniversityChangsha410082China3．KeyLaboratoryofEnvironmentalBiologyandPollutionControlHunanUniversityMinistryofEducationChangsha410082ChinaAbstractAimingathighlyconcentratedlowbiodegradabilityandhighlyloadcharacteristicsonthesynthet-icdetergentwastewateramethodfortreatingithasbeenstudiedusingflyashadsorptionandcoagulationwithpretreatmentandthenSBRprocessestreatment．TheresultsshowedthatatnormaltemperaturethedosagesofflyashandPACwerethemaininfluencingfactorsandthepretreatmentremovalratesofCODandLAScouldreachto76.4%and77.1%respectivelywhenCODwere6000～7000mg/LandLASconcentrationswere600～650mg/Linthewastewater．ThefinaleffluentconcentrationsofCODandLASwerelessthan500mg/Land17mg/LaftersequencingbatchreactorSBRtreatmentcorrespondingtothetotalremovalratecouldbeuptoover92.4%and97.3%respectively．Theeffluentcouldmeetthethirddegreeofsyntheticdetergentwastewaterrequiredandtheprocesscouldbesuitableforhigh-strengthsyntheticdetergentwastewater．KeywordsflyashcoagulationSBRLAShigh-strengthsyntheticdetergentwastewater507780662008013382008SK30042008C1412010－11－092011－01－201966～。[e-mail]12。LAS、23。LAS、。。。45、6-891011-13。COD、、、。5、、、、、1415。-、SBRLAS。11．1、、。LAS、、、。pH3.7～10.5COD6000～7000mg/LLAS600～650mg/L。SiO258.82%Al2O327.58%Fe2O38.43%CaO1.85%MgO1.32%SO30.38%。1．21．2．1SiO2SO3。《》16CODLASpH1．2．2200KDB-3721pHPHS-3DF-1101BMY3000-6B。SBRSBR1。SBR3．8L、2.3L0.6。SBR“—————”。1．3200mL500mL。H2SO4NaOHpH13100r/min20min1mLCODLAS。1SBRFig.1ExperimentalapparatusofSBRPAC120r/min10minPAM60r/min15min。CODLAS。-SBRCODLAS。22.12．1．1CODCOD200mL50、70、90、110、140、170200g2。2COD。170gCODLAS80.3%83%200gCODLAS0.7%3.8%。COD。30g110g25216--SBR2CODFig.2EffectofflyashdosageonCODremovalefficiency。3COD。。0.55g/mLCOD70%。2．1．2pHCODCODpHWpH1、5、11COD50%pHLAS17pH1170%18。pH9、10、11、121320min。1mLCOD3。3pHCODFig.3EffectofpHonCODremovalefficiencypH10COD60%。pHCOD。pH12～13LASLAS1819。pH13。2．1．3CODpH1310、20、30、4060min。COD4。4CODFig.4EffectofreactiontimeonCODremovalefficiency430minCOD65.4%。COD。30min。、—3。。30min。2．1．40.55g/mLpH1330minCODLAS63.1%。2．2-、、PAC11PAC、2035215PAC。COD2159.1mg/LLAS229.6mg/LPACPAC200、400、600800mg/L120r/min10min0.5%PAM5mg/L60r/min15min。5。CODLASPAC75%PAC400mg/L800mg/L2%。。PAC。PAC400mg/LCOD74.2%。5PACFig.5EffectofPACdosageonremovalefficiencyPAM0.5%PAM5mg/L。2．3--SBR-CODLASMLSSLAS3h。6Ⅰ、Ⅱ、Ⅲ、、SBR。SBR3h、21h、2h、0.5h、0.5h27hpH6.5～7.5。CODLAS92.4%97.3%SBRCOD485mg/LLAS17mg/L67.8%88.2%。917212217CODLAS91%～93%95%6--Fig．6Removalefficiencybytheflyashadsorptioncoagulationandaerobicbiologicalprocess1SBR2。91322COD6000～7000mg/LLAS600～650mg/LGB8978-1996--SBR。CODLAS。COD、LAS20h。SBR。31CODCOD。0．55g/mLpH1345216--SBR30min。2PAC400mg/L5%PAM5mg/LCODLAS76.4%77.1%。3--SBR。COD6388mg/LLAS629mg/L92.4%97.3%。1．．2002ZhangTianshengLiMingrong．TreatmentTechnologyandItsApplicationsofCommodityChemicalWastewater．Bei-jingChemicalIndustryPress2002inChinese2．．1994144296-301QiMenglan．StudiesonthetreatmenttechniquesofwastewaterfromsyntheticdetergentproductioninChina．ChinaEnvironmentalScience1994144296-301inChinese3．LAS．20044282-85JiangAnxiXiaBingLiYaxuan．AdvanceintreatingwastewatercontainingsurfactantsLAS．JournalofSafetyandEnvironment20044282-85inChinese4KallioinenaM．PekkarinenaM．MnttrviM．etal．Comparisonoftheperformanceoftwodifferentregeneratedcelluloseultrafiltrationmembranesathighfiltrationpres-sure．JournalMembraneScience20072941-293-1025BoonyasuwatS．ChavadejS．MalakulP．etal．Anionicandcationicsuffactantrecoveryfromwaterusingamulti-stagefoamfractionator．ChemicalEngineeringJoumal2003933241-2526ChenH．SabatiniD．A．Simultaneousuptakeofanionicsurfactantsandmicellar-solubilizedcontaminantsusingani-on-exchangeresins．WaterResearch200236820-627．．20023721-24ChenFutaiChuYongqianWangShuguangetal．Studyontheflocculationperformanceofthenovelpolymericalu-minium-silicaflocculantusedinbathingwastewaterreuse．TechniquesandEquipmentforEnvironmentalPollutionControl20023721-24inChinese8NatasjaSchoutenLouisG．J．vanderHamGert-JanW．Euverinketal．Selectionandevaluationofadsorbentsfortheremovalofanionicsurfactantsfromlaundryrinsingwa-ter．WaterResearch200741184233-42419．SBR．200663107-109XiaLiangshuChenZhongqing．Onbiodegrationofdailychemicalwastewaterbyusingthesequentialbatchrectorprocessing．JournalofSafetyandEnvironment200663107-109inChinese10LeonV．M．LopezC．Lara-MartinP．A．etal．Re-movaloflinearalkylbenzenesulfonatesandtheirdegrada-tionintermediatesatlowtemperaturesduringactivatedsludgetreatment．Chemosphere20066471157-116611．．200323155-57WuJiandongWangZhenyouZhouXingqiu．Discussionofthedesignfortheproductionwastewatertreatmentengi-neeringofthesurfactant．I