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[1-5]。、、[6-7]。[8-13]、、。3。11.1、、[14-19]。3、、。80kHz320kHz＞＞。3－。X524A1672-2043201307-1432-05doi:10.11654/jaes.2013.07.0213胡冬雯200233TheControlofThreeSpeciesofBlueAlgaeCausingAlgaeBloombyUltrasonicHUDong-wenLowCarbonEconomyResearchCenter,ShanghaiAcademyofEnvironmentalSciences,Shanghai200233,ChinaAbstractAlgaebloomhasbecomeasevereprobleminChina.Alotoftechniqueswerestudiedonthecontrolofbluealgae,oneofwhichisultrasonic,aphysicalmethodwiththeexcellenceonsimplicity,chemicalfreeandquickeffect.Intheexperiment,theultrasonicgeneratorwasmodifiedtocontrolthreemajorspeciesofalgaemicrocystisaeruginosa,Anabaenaspiroides,andaphanizomenonflos-aquaecausingalgaebloom,andtheeffectivenessandmechanismwasreviewedandstudied.Theultrasonicof80kHzhaslittleeffectonalgaeelimination,whiletheultrasonicof20kHzhassignificantreductioneffectonallthreeofthem,withAnabaenaspiroidesremovedthemostandmicrocys－tisaeruginosatheleast.Thetwolong-chainalgae,Anabaenaspiroidesandaphanizomenonflos-aquae,aremoresensitivetoultrasonicbe－causeofchainbreakingandthelossofactivity,whilethesphericalalgae,Microcystisaeruginosaisbrokenbyultrasonicbasedonthecavi－tationeffect.Theeffectivenessofultrasonicincreasedwiththeincreaseofpowerorextentionoftime,whileproperpowerandtimeisrec－ommendedbasedonthecostandsecurityissues.TheresultmayprovidefoundationforthepracticaluseofultrasoniconbluealgaecontrolintheYangtzeRiverDeltaRegion.Keywordsultrasonic;algaebloom;algaeelimination2013－02－0508DZ1203106205804。E-mailhudw@saes.sh.cn2013327:1432-143620137JournalofAgro-EnvironmentScience32120137MicrocystisaeruginosaFACHB-909、AnabaenaspiroidesFACHB-498Aphanizomenoflos-aquaeFACHB-116820μm6μm。3FACHB-CollectionCAS。BG-1125±1℃3500lxpH6.5~7.024h[20]。1.2CPS-3。30～120W20kHz80kHz2cm、1cm。1.31.3.13330、60、90W20、80kHz5、10、15min。500mL13。1.3.2。UV-2000UNIKO680nm[21]。OlympusBX51JAPAN×400。1.3.3SPSS19.0TMicrosoftOfficeExcel。22.130W5min、60W10min90W15min320kHz3180kHz。80kHz。2.2--＞＞2P0.05。30W5min4.44%7.94%19.93%90W15min59.42%40.95%32.22%。3。5、10min15min21.61%、28.42%32.20%。3。30、60W90W15.83%、29.83%38.56%。2.31Table1Factorsandlevelsofwall-breakingexperiment/W/kHz/min/mL13020/80550026020/801050039020/80155001Figure1Comparisonofeliminationratebetween2frequency706050403020100-10-20/%30W5min60W10min90W15min20kHz80kHz20kHz80kHz20kHz80kHz314333271009080706050403020100//%5min10min15min2030W60W90W30W60W90W30W60W90W5~202~521009080706050403020100//%5min10min15min2030W60W90W30W60W90W30W60W90W5~202~52706050403020100/min/%5101530W60W90W510155101524h。×400。90W15min3、4。3、、[22-24]。。20kHz380kHz20kHz3。[25]。。[26]。。。2-Figure2Comparisonofeliminationratebetweendifferentpowerandtime3Figure3StructurechangeofAphanizomenoflos-aquaeunderultrosonic4Figure4StructurechangeofAnabaenaspiroidesunderultrosonic143432120137。[27-28]。90W30W。。。4180kHz320kHz3＞＞。。23-。3、。[1]YangM,YuJ,LiZ,etal.TaihuLakenottoblameforWuxi′swoes[J].Science,2008,31758421166.[2],,,.[J].,2008,322184-188.WANN,SONGLR,WANGRN,etal.Thespatio-temporaldistribu－tionofalgalbiomassinDianchiLakeanditsimpactfactors[J].ActaHy－drobiologicaSinica,2008,322184-188.[3],,,.[J].,2009416-18.HUOSL,XIBD,YAOB,etal.ResearchonpreventionstrategiesoflakeeutrophicationinChina[J].EnvironmentalProtection,2009416-18.[4],,,.3[J].,2005,25350-55.JINCH,LUKH,WANGYC,etal.Controlmethodsandeffectsofbluealgaein3drinkingwaterreservoirsinZhejiang[J].ReservoirFisheries,2005,25350-55.[5],,,.[J].,2009,25171-74.ZHANGNH,LIG,YUJQ,etal.Characterofblue-greenalgalbloomsoutbreakinTaihuLake[J].EnvironmentalMonitoringinChina,2009,25171-74.[6],.[J].,2007,434-36.DONGJ,SHIYS.Prospectsandanalysisforpresentsituationofre－movalalgae[J].WaterSciencesandEngineeringTechnology,2007,434-36.[7],,,.[J].,2002,18229-31.PENGHQ,TANZR,GAONY,etal.Theeliminationofalgaeinwatersupply[J].ChinaWater&Wastewater,2002,18229-31.[8]ShiHX,QuJH,LiuHJ,etal.EffectofultrasoundirradiationonthecoagulationandinactivationofMicrocystis[J].WaterSupplyResearchTechnology-Aqua,2008,572101-108.[9]NakanoK,LeeTJ,MatsumuraM.Insitualgalbloomcontrolbythein－tegrationofultrasonicradiationandjetcirculationtoflushing[J].Envi－ronmentalScience＆Technology,2001,354941-4946.[10].[D].,200738-39.LUBP.Researchontheapplicationofalgaeeliminationbyultrasonic[D].NanjingSoutheastUniversity,200738-39.[11],,,.[J].,2007,1366-69.CHENJ,WANGB,ZHANGGM,etal.Enhancementofultrasonicco－agulationonremovalofalgae[J].ChineseJournalofEnvironmentalEn－gineering,2007,1366-69.[12],,,./[J].,2008,27621-23.WANGLP,YANGXC,DUANSL,etal.Ultrasonic/Modifiedclayprocessforremovalofbluealgaefromartificialwaters[J].ChinaWater&Wastewater,2008,27621-23.[13],,,.[J].,2003,191101-103.HAOHW,CHENYF,WUMS,etal.StudyontheinhibitionofCyanobacteria′sgrowthbylow-powerandhigh-frequencyultra－sound[J].ActaBiophysicaSinica,2003,191101-103.[14],,.、[J].,1995,125196-199.WANGHB,SONGWM,ZHUHG.StudyonseasonaldynamicsofplanktonicalgaeandmicrocystinsintheDianshanLakeandHuangpuRiver[J].JournalofEnvironmentandHealth,1995,125196-199.[15],,,.“”[J].,2011,31112968-2977.JIAXH,SHIDJ,SHIMH,etal.FormationofcyanobacterialbloomsinLakeChaohuandthephotosynthesisofdominantsp