*朱佳1汪小雄1陶益2张锡辉3雷中凯21.5180552.5180553.410082H2O2Cu2+、pH、。7A20mg/LH2O2+0.2mg/LCu2+、B10mg/LH2O2+0.4mg/LCu2+、C5mg/LH2O2+0.8mg/LCu2+Chla58%、30%、18%。AChla149μg/L0.2mg/LCu2+81μg/L。Cu2+B0.6mg/LCu2+7。、pH、717.5mg/L8.7~13.3mg/LpH10.08.5~9.2200NTU84~94NTU。DOI10.13205/j.hjgc.201408010EFFECTSOFH2O2ANDCuSO4ONENHANCEDSUPPRESSINGALGALBIOMASSOFALANDSCAPELAKEZhuJia1WangXiaoxiong1TaoYi2ZhangXihui3LeiZhongkai21.UrbanWaterBenignCycleEngineeringResearchandDevelopmentCenterShenzhenPolytechnicShenzhen518055China2.ResearchCenterforEnvironmentEngineeringandManagementGraduateSchoolatShenzhenTsinghuaUniversityShenzhen518055China3.CollegeofCivilEngineeringHunanUniversityChangsha410082ChinaAbstractTheeffectsofhydrogenperoxideH2O2andcoppersulfateCu2+onsuppressingalgalbiomassofthewatersamplestakenfromalandscapelakeatShenzhenwithalgalbloomaswellasthevariationsofdissolvedoxygenDOpHandturbidityofthewatersampleswereinvestigated.TheresultsshowthatcombinedaddingH2O2andCu2+significantlysuppressedalgalbiomass.TheChlaconcentrationsofgroupAadding20mg/LH2O2+0.2mg/LCu2+groupBadding10mg/LH2O2+0.4mg/LCu2+andgroupCadding5mg/LH2O2+0.8mg/LCu2+werereducedto58%30%and18%ofthecontrollevelonthe7thdayaftertheadditionofH2O2andCu2+.TheresultsindicatedthataddingH2O2remarkablyenhancedthesuppressioneffectsofCu2+onalgalbiomassastheChlaconcentrationofgroupAonthe1stdaywasrapidlyreducedto49μg/Lmuchlowerthanthatofjustadding0.2mg/LCu2+81μg/L.TheChlaconcentrationofgroupBonthe7thdaywasthesameasthatofjustadding0.6mg/LCu2+suggestingtheadditionofH2O2mayreducetheCu2+doserequiredforalgalbiomasssuppression.TheadditionofH2O2andCu2+ledtosignificantvariationsinpHfromthecontrollevel10.0to8.5~9.2onthe7thdayturbidityfromthecontrollevel200NTUto84~94NTUonthe7thdayandDOfromthecontrollevel17.5mg/Lto8.7~13.3mg/Lonthe7thday.Keywordslandscapewateralgalbiomasshydrogenperoxidecoppersulfate*2120900921301047CXZZ20120618094712259。2014-01-0183EnvironmentalEngineering01。、、、、、2、。。3。、4、5、6。7、、Cu2+。89。10。。、pH、。11.1实验原水6500m22.3m15000m3。4Chla80μg/L。15L20cm55cm×60cm75L45cm。Chla59~68μg/L12~14mg/LpH8.7~8.9101~135NTU。1.2投加药剂CuSO4·5H2O、H2O230%、、1。。1Table1Experimentaldosagemg/LCu2+Cu2+0000200.20.25100.40.41050.80.6200.8401.3取样及分析方法、2h0.1d12357d100050mL。ChlaPHYTO-PAMWALZ、DO、pH、HACH-2100PHACHDOHQ30dHACHpHpHWTW-pH3310WTW。1.4统计分析3。Origin8.0OringinLab。22.1投加组合药剂的抑藻效果、7dChla。1。A20mg/LH2O2+0.2mg/LCu2+、B10mg/LH2O2+0.4mg/LCu2+、C5mg/LH2O2+0.8mg/LCu2+。7dChla66μg/L142μg/L。A0.1d1dB、C0.1d1d93WaterPollutionControlBC7dA、B、C834225μg/L58%、30%、18%。1ChlaFig.1VariationinChlacontentofthewatersampleundercombiningaddition2。7dChla142μg/L。0.2mg/LCu2+3。Cu2+0.40.60.8mg/L10.4mg/L。0.6mg/L57。0.8mg/L7。7d0.20.4、0.60.8mg/LChla91624234mg/L64%、44%、30%、24%。2ChlaFig.2VariationinChlacontentofthewatersampleunderadditionofCuSO4H2O23。7dChla142μg/L。5~40mg/LChla0.1d510mg/L20mg/L140mg/L11~33d。7d5102040mg/L137137133117μg/L96%、96%、94%、82%。3H2O2ChlaFig.3VariationinChlacontentofthewatersampleunderadditionofH2O22.2对水样DO的影响DO4—6。DO4。DO5717.5mg/L。A、B、C2d713.310.68.7mg/L。4DOFig.4VariationinDOofwatersampleundercombiningadditionDO5。57。0.20.40.60.8mg/L2712.011.19.89.2mg/L。04EnvironmentalEngineering5DOFig.5VariationinDOofwatersampleunderadditionofCuSO46H2O2DOFig.6VariationinDOofwatersampleunderadditionofH2O2H2O2DO6。5d7。5~40mg/L1H2O2DO16.016.617.718.7mg/L。51020mg/L40mg/L718.617.416.615.2mg/L。2.3对水样pH值的影响7dpH。pH7。510.0。A、B、C2AB、C7pH9.2、8.7、8.5。pH8。pH510.0。0.20.40.60.8mg/L277pHFig.7ThechangeofpHofsampleundercombiningaddition8CuSO4pHFig.8ThechangeofpHofsampleunderadditionofCuSO49.2、9.1、8.9、8.7。H2O2pH9。pH510.0。51020mg/L7d79.8、9.7、9.5。40mg/L7d7pH9.3。9H2O2pHFig.9ThechangeofpHofsampleunderadditionofH2O214WaterPollutionControl2.4对浊度的影响7d。10。7d131NTU200NTU。A、B、C57888494NTU44%、42%、47%。10Fig.10Thechangeofwatersampleturbidityundercombiningaddition11。7d0.2~0.8mg/L7d790~93NTU45%~47%。11Fig.11ThechangeofwatersampleturbidityunderadditionofCuSO4H2O212。、5mg/L7d5mg/L7155NTU78%。10mg/L7d7112NTU56%。2040mg/L7d795NTU48%。12H2O2Fig.12ThechangeofwatersampleturbidityunderadditionofH2O233.1单独和组合投加药剂抑藻效果。Cu2+0.20.40.60.8mg/L7Chla64%、44%、30%、24%。Cu2+0.8mg/L76%。H2O2。H2O240mg/L7Chla82%。5~10mg/LH2O215mg/LH2O211。H2O23dH2O2DO。Hans2mg/LH2O2212。H2O23dH2O2DO。。A20mg/LH2O2+0.2mg/LCu2+1dChla49μg/L0.2mg/LCu2+81μg/L。13Cu2+1424EnvironmentalEngineeringCu2+15。H2O216。H2O2Cu2+Cu2+Cu2+。Cu2+B10mg/LH2O2+0.4mg/LCu2+7d0.6mg/LCu2+Cu2+Cu2+。3.2对水样DO、pH值、浊度的影响H2O2DO、pH、。DOCu2+H2O2H2O2DO。pHpH、Chla。。41。7dChla。2H2O2。1AChla49μg/L0.2mg/LCu2+81μg/L。3Cu2+。7B0.6mg/LCu2+。4、pH、。717.5mg/L8.7~13.3mg/LpH10.08.5~9.2200NTU84~94NTU。1.J.2012258897-903.2.J.20113771-346.3.J.2008294879-883.4.J.20032451-10.5.J.20123847-13.6.J.2005142229-232.7McknightDMChisholmSWHarlemanDRF.CuSO4treatmentofnuisancealgalbloomsindrinkingwaterreservoirsJ.JEnvironManage19837311-320.8.J.200118221-24.9.J.200521111323-1325.10DrabkovaMAdmiraalWMarsalekB.Combinedexposuretohydrogenperoxideandlight-selectiveeffectsoncyanobacteriagreenalgaeanddiatomsJ.JEnvironSciTechnol2007411309-314.11.SZ-05J..200927187-91.12HansCPMPetraMVBartRetal.Selectivesuppressionofharmfulcyanobacteri