不同氧化剂对水中微囊藻毒素LRMCLR释放及降解的效果

-LＲMC-LＲ12111．2000922．2000923、-LＲMC-LＲMC-LＲ。3MC-LＲ。0．41mg/L·min、5min2mg/L、5～8minMC-LＲ3、MC-LＲ。-LＲMC-LＲTU991B1009-0177201505-0060-05EffectofＲeleaseandDegradationofMicrocystin-LＲMC-LＲinWaterbyDifferentOxidantsQianLin1LiWeiying2ZhangJunpeng1ZhangJia11．CollegeofEnvironmentalScienceandEngineeringTongjiUniversityShanghai200092China2.StateKeyLaboratoryofPollutionControlandＲesourceＲeuseTongjiUniversityShanghai200092ChinaAbstractThedegradationofmicrocystin-LＲbythreedifferentkindsofchemicaloxidantsozonepotassiumpermanganateandsodiumhypochloritewasdiscussedinthispaper．Meanwhilebotheffectsofoxidantsonreleaseanddegradationcharacteristicsofmicrocystin-LＲwerealsoelaboratedinalgaeremovalprocess．Theresultsshowthatthreekindsofoxidantscaneffectivelyremovemicrocystin-LＲ．Whenozonefeedrateis0．41mg/L·minandreactiontimeis5minorwhendosageofpotassiumpermanganateis2mg/Landreactiontimeis5～8minduringtheoxidationtreatmentprocessofmicrocystisaeruginosamicrocystin-LＲinwatercanbecompletelyremoved．Inadditionwhenthreekindsofoxidantstreatwatercontainingalgaeacertainamountofintracellularmicrocystinsreleasesintothewaterandsodiumhypochloritecanseriouslydamagethecellsofalgaeresultingingeneratingalargeamountofextracellulardissolvedmicrocystin-LＲthatisremovedineffectivelybyconventionalwatertreatmentprocessesandcausessecurityrisksofdrinkingwater．Keywordsmicrocystin-LＲMC-LＲoxidantozonepotassiumpermanganatesodiumhypochloritereleasedegradation2015-02-062012ZX07403-0011991—。[e-mail]。。[e-mail]。eutrophication。、1。。2。703。-LＲMC-LＲ、46%～99．8%45。MC-LＲ1Adda3--9--268--10--46-6。—06—．-LＲMC-LＲVol．34No．52015201534560-6375WaterPurificationTechnologyDOI:10.15890/j.cnki.jsjs.2015.05.0131MC-LＲFig．1MolecularStructureofMC-LＲ。、、78。。9。MC-LＲ3MC-LＲMC-LＲ。11．1microcystisaeruginosaFACHB-905BG-1128℃、2500lx12h∶12h。MC-LＲAlexis。1．21．2．1MC-LＲMC-LＲ－20℃24h50℃。0．45μm。WATEＲS。1．2．2MC-LＲ-LC-MS/MSMC-LＲ。0．10%。UV238nm。HPLC200μL/min20μL。1mg/LESI+、100℃、5．0kV、350℃。22．1MC-LＲMC-LＲ50μg/LMC-LＲ310pH7．0、。2．1．1MC-LＲMC-LＲ2。2MC-LＲFig．2EffectofOzonationonDegradationofMC-LＲ210minMC-LＲ。0．41、0．61、1．22mg/L·minMC-LＲ78．32%、82．32%85.33%10minMC-LＲ45minMC-LＲ0．52、0．130．10μg/LWHOMC-LＲ1μg/L。75、60、45minMC-LＲ。—16—WATEＲPUＲIFICATIONTECHNOLOGYVol．34No．52015October25th2015OH·MC-LＲAdda。MC-LＲMC-LＲ311。MC-LＲMC-LＲ。2．1．2MC-LＲMC-LＲ3。3MC-LＲFig．3EffectofPotassiumPermanganateandSodiumHypochloriteonDegradationofMC-LＲ3MC-LＲ2mg/L75minMC-LＲ。MC-LＲ2、5、8mg/L30minMC-LＲ80．66%、88．98%99．85%。Ｒodríguez12MC-LＲAddaC=C。HClOMC-LＲAddaMC-LＲ1314。2．2MC-LＲMC-LＲ0．061μg/LpH7．0、。0．22μmMC-LＲMC-LＲ。2．2．1MC-LＲ4MC-LＲ。4MC-LＲFig．4CharacteristicsofMC-LＲＲeleasefromAlgae-LadenWaterbyOzonation45minMC-LＲ。0．411．22mg/L·minMC-LＲ0.61mg/L·minMC-LＲ0．061μg/L49．18%0．411．22mg/L·minMC-LＲ30min45min0．61mg/L·min8minMC-LＲ0．17μg/L—26—．-LＲMC-LＲVol．34No．52015MC-LＲ45minMC-LＲ。。2．2．2MC-LＲ5MC-LＲ。5MC-LＲFig．5CharacteristicsofMC-LＲＲeleasefromAlgae-LadenWaterbyPotassiumPermanganate5MC-LＲ＜0．2μg/L。2mg/L5～8minMC-LＲ5、8mg/L5minMC-LＲ47．54%100%。MC-LＲ1516。MC-LＲ。2mg/LMC-LＲMC-LＲ8mg/LMC-LＲ。2mg/L5～8minMC-LＲ。2．2．3MC-LＲ6MC-LＲ。6MC-LＲFig．6CharacteristicsofMC-LＲＲeleasefromAlgae-LadenWaterbySodiumHypochlorite68minMC-LＲ0．5μg/L8minMC-LＲWHOMC-LＲ1μg/L。HClOHClOMC-LＲ1718。。31、MC-LＲMC-LＲ。2MC-LＲ75—36—WATEＲPUＲIFICATIONTECHNOLOGYVol．34No．52015October25th2015J．2004284434-439．23IzaguirreGTaylorWD．ApseudanabaenaspeciesfromCastaicLakeCaliforniathatproduces2-methylisoborneolJ．WaterＲesearch19983251673-1677．24SuMYuJWZhangJZetal．MIB-producingcyanobacteriaPlanktothrixsp．inadrinkingwaterreservoirDistributionandodorproducingpotentialJ．WaterＲesearch2015491444-453．632mg/L5～8minMC-LＲ。3MC-LＲ。。4。1GuptaNPantSCVijayaraghavanＲetal．ComparativetoxicityevaluationofcyanobacterialcyclicpeptidetoxinmicrocystinvariantsLＲＲＲYＲinmiceJ．Toxicology20031823285-296．2．J．20112806553-556．3．-LＲJ．200934113288-3292．4VasconcelosVMSivonenKEvansWＲetal．HepatotoxicmicrocystindiversityincyanobacterialbloomscollectedinportuguesefreshwatersJ．WaterＲesearch199630102377-2384．5LiuXChenZZhouNetal．Degradationanddetoxificationofmicrocystin-LＲindrinkingwaterbysequentialuseofUVandozoneJ．JournalofEnvironmentalSciences201022121897-1902．6Senogles-DerhamPJSeawrightAShawGetal．ToxicologicalaspectsoftreatmenttoremovecyanobacterialtoxinsfromdrinkingwaterdeterminedusingtheheterozygousP53transgenicmousemodelJ．Toxicon．2003418979-988．7JurczakTTarczynskaMIzydorczykKetal．Eliminationofmicrocystinsbywatertreatmentprocesses—examplesfromSulejowＲeservoirPolandJ．WaterＲesearch200539112394-2406．8GrützmacherGBttcherGChorusIetal．ＲemovalofmicrocystinsbyslowsandfiltrationJ．EnvironmentalToxicology2002174386-394．9．-LＲJ．2010261762-65．10DingJShiHLTimmonsTetal．ＲeleaseandＲemovalofMicrocystinsfromMicrocystisduringOxidative-Physical-andUV-BasedDisinfectionJ．JournalofEnvironmentalEngineering-asce201013612-11．11AlMomaniFAJarrahN．TreatmentandkineticstudyofcyanobacterialtoxinbyozoneJ．JournalofEnvironmentalScienceandHealthPartA2010456719-731．12ＲodríguezEMajadoMEMeriluotoJetal．Oxidationofmicrocystinsbypermanganatereactionkineticsandimplicationsforwatertr