臭氧强化混凝工艺对地表水中藻毒素的去除效果研究

39《》@vip.126.com2015-09-172015-10-302012ZX07408001“”[e-mail]。EnvironmentalScience&Technology39720167Vol.39No.7Jul.2016.[J].201639796-99.LinYingziChenMingliZhaoZeming,etal.Researchofozonestrengtheningcoagulationprocessontheremovaleffectofalgaltoxinsinsurfacewater[J].EnvironmentalScience&Technology201639796-99.12321.2.1301183.404100PAC、UV254、TOCMC-LR2mg/LMC-LR65.74%UV25429.43%40.49%TOC11.59%9.97%。20mg/LPACMC-LR15.61%、、UV254、TOC79.21%、58.04%、31.29%30.12%。-PAC2mg/L20mg/LPACMC-LR89.87%、UV254、TOC80.53%、58.75%34.23%61.96%。。PACX52Adoi10.3969/j.issn.1003-6504.2016.07.0181003-6504(2016)07-0096-04ResearchofOzoneStrengtheningCoagulationProcessontheRemovalEffectofAlgalToxinsinSurfaceWaterLINYingzi1CHENMingli2ZHAOZeming3ZHAOJing21.LaboratoryofUrbanWaterResourceandEnvironmentalRemediationEngineering2.SchoolofMunicipalandEnvironmentalEngineeringJilinJianzhuUniversityChangchun130118China3.SchoolofUrbanConstructionandEnvironmentalEngineeringChongqingUniversityChongqing404100ChinaAbstractWithregardsofthecaseofseasonalalgaeoutbreakofsurfacewaterinnorthernChinaozoneenhancedcoagulationprocesswasusedtoremovealgaltoxinsexperimentsweredonetorespectivelyinvestigatetheseparateaddingozoneandpolyaluminiumchloridePACforremovalofmicrocystinMC-LRturbidityUV254TOCandCODMn.ResultsshowthatozonehasagoodremovaleffectforMC-LR2mg/LozoneremovalofMC-LRreached65.74%turbidityandUV254removalratereached29.43%and40.49%butlowontheTOCandCODMnremovalefficiencywithremovalrateas11.59%and9.97%respectively.20mg/LPACusedaloneforMC-LRremovalratewas15.61%whileontheremovalrateofturbidityUV254TOCandCODMnwere79.21%58.04%31.29%and30.12%respectively.Onthisbasisusingozone-PACcombinedprocesstheresultsshowthatwhen2mg/Lozoneand20mg/LPACcombinedremovalrateforMC-LRwas89.87%whileforturbidityUV254TOCandCODMnwere80.53%58.75%34.23%and61.96%respectively.Ozoneenhancedcoagulationprocesscaneffectivelyremovethesurfacewateralgaealgaltoxinscausedbyseasonaloutbreaks.KeywordsozonePACenhancedcoagulationwaterqualitymicrocystin。、、[1-4]7[5]。[6]9mg/L96%[7][8]8mg/L90%[9]。NOM[10]、[11-15]。。11.1MC-LR20μg/L。99%Scharlau、PAC。3.1~3.3NTUpH9TOC7.5~7.6UV2540.156~0.164mg/L5.6~5.8mg/LMC-LR5.2~5.4μg/L23~26℃。1.21~5mg/LMC-LR、、UV254、TOCPAC5、10、15、20、25、30mg/LPACMC-LR、、UV254、TOC5、10、15、20、25、30mg/LPAC-PACMC-LR、、UV254、TOC-PAC。1、Agilent1200CHPLC238nm0.05%TFA∶=45∶551.0mL/min25℃。22.12.1.1MC-LR1MC-LRMC-LR1mg/L9.31%2mg/LMC-LR65.74%2mg/L1mg/L56.43%3mg/LMC-LR85.85%2mg/L3mg/L2mg/LPAC2mg/L。MC-LRMC-LRMC-LR[16-17]。2.1.2、UV254、TOC、UV254UV254。2mg/LUV25429.43%40.49%TOC2mg/LTOC11.59%9.97%TOC[18]1Table1Themainexperimentalinstruments3S-A32100NHACHTOC-VCPNCV-17001200CAgilent39TOC2。2.2PAC2.2.1PACMC-LR320mg/LPACMC-LR15.61%MC-LRPACPACMC-LRMC-LR[19]。2.2.2PAC、UV254、TOC、PAC20mg/LPAC79.21%58.04%PAC。20mg/LPACUV254TOC31.29%30.12%4。2.3-PAC2.3.1-PACMC-LR52mg/L20mg/LPACMC-LR89.87%PACMC-LR。-PACMC-LRPACMC-LRPACMC-LRPACMC-LR[20-21]PACMC-LR-PACMC-LR。2.3.2-PAC、UV254、TOC、-PACUV25480.53%58.75%TOC34.23%61.96%-PAC6。3。712mg/LMC-LR65.74%、UV25429.43%40.49%TOC11.59%9.97%。2PAC20mg/LPAC79.21%58.04%TOCUV25431.29%30.12%20mg/LPACMC-LR15.61%。3PAC2mg/L20mg/LPACMC-LR89.87%PAC24.13%74.26%、UV254、TOC80.53%、58.75%、34.23%、61.96%51.10%、18.26%、22.64%51.99%PAC1.32%、28.63%、2.97%51.99%。[][1]FeursteinD.Oatp-associateduptakeandtoxicityofmicro－cystinsinprimarymurinewholebraincells[J].ToxicologyandAppliedPharmacology20092342247-255.[2].[J].2013222357-364.[3]LanceeAlonzoFTanguyMetal.Impactofmicrocystin-producingcyanobacteriaonreproductivesuccessofLymnaeastagnalisGastropodaPulmonataandpredictedconse－quencesatthepopulationlevel[J].Ecotoxicology2011204719-730.[4]AlvercaEAndradeMDiasE.Morphologicalandultra-structuraleffectsofmicrocystin-LRfromMicrocystisaerugi－nosaextractonakidneycellline[J].Toxicon2009543283-294.[5]IreneuszMPaulinaSTarczynskaetal.Toxicityofmicro－cystinfromcyanobacteriagrowinginasourceofdrinkingwa－ter[J].ComparativeBiochemistryandPhysiologyPartC20041391/2/3175-179.[6].[D].2014.[7].[C].2001I2001200.[8].[J].200921102-105.GuoJianweiGaoNaiyunYinDidietal.Researchprogressofmicrocystinremovalindrinkingwater[J].HenanScience200921102-105.inChinese[9]FawellJKHartHAParrW.Bluealgaeandtheirtoxins-anal－ysistoxicitytreatmentandenvironmentalcontrol[J].WaterSupply1993113/4109-121.[10]ChiangPCChangEEChangPCetal.Effectsofpre-o－zonationontheremovalofTHMprecursorsbycoagulation[J].ScienceoftheTotalEnvironment2009407215735-5742.[11].[J].2006224617-621.[12].[J].20062761127-1132.FangJingyunMaJunWangLiningetal.Theeffectofo－zonepre-oxidationonalgalcellandextracellularsecretionofdisinfectionby-productformationpotential[J].EnvironmentalScience20062761127-1132.inChinese[13]EdwardsMBenjaminMM.Effectofpreozonationoncoag－ulant-NOMinteractions[J].JAWWA199284863-72.[14]ChiangPCChangEELiangCH.NOMcharacteristicsandtreatabilitiesofozonationprocesses[J].Chemosphere2002466929-936.[15]SingerPC.Assessingozonationresearchneedsinwatertreat－ment[J].JAWWA1990821078-88.[16]OwenDMAmyDLChowdhuryZKetal.NOMcharac－terizationandtreatabilit