富营养化湖泊水体藻水分离絮凝剂的筛选研究

201432*1121111.6502012.650201。77pHEC。17、＞＞＞＞＞2、0.2‰、0.6‰、0.4‰3pH、ECpH3.68%EC3.42%pH5.64%EC3.59%pHEC0.86%0.51%6%。SCＲEENINGOFFOCCULANTFOＲWATEＲ-ALAGESEPAＲATIONINEUTＲOPHICLAKELiXin1ZhangNaiming1BaoLi2KangＲifeng1ChenWentao1HuXinggang11.CollegeofＲesourceandEnvironmentYunnanAgriculturalUniversityKunming650201China2.CollegeofPlantProtectionYunnanAgriculturalUniversityKunming650201ChinaAbstractTheoutstandingissuecausedbylakeeutrophicationisoutbreakingofbluealgaebloomandthekeytosal-vageandgovernancecyanobacterialbloomsistoachievealgae-waterseparation．Sevenkindsofnon-toxicclayfloccu-lansareusedastestmaterialsitisalsecomparedtheremovalrateofturbidityandbluealgaebythemandwhatistheimpactonpHandECinwater．Theresultsshowthat1Theorderinsevenkindsofnaturalflocculantsisthree-levelsepiolitetalc＞diatoite＞montmorillonite＞sepiolite＞four-levelsepiolite＞kaolin2Three-levelsepiolitetalcanddiatomitearethebestandtheiroptimaldosageis0.2‰0.6‰and0.4‰3ThreekindsofflocculantshaveacertainimpactonwaterpHandECthree-levelsepiolitemakespHincreaseby3.68%ECvalueincreaseby3.42%inappropriatedosagetalcmakeswaterpHvaluedecreaseby5.64%ECvaluesincreaseby3.59%diat-omitemakespHandECvaluesincreaseby0.86%and0.51%thetotalvariableamplitudesarelessthan6%．Keywordsbluealgaeeutrophicationclayflocculant*2012CA017。。“”。1－3。4－6。、7。、8。、9－14。Ander-son15。15。50320143216。17。7。7。11.11.1.1。1.1.2。Aladdin。200。200。、4～5mm85%0.1mm65%200。1.21.2.171000mL0.7g、、、、、。。3min100r/min。0153060120180min3cm680nmD680nm。NTU。1.2.21000mL0.20.40.60.8g。。1.2.3NTUISO7027—1984。NTU=－×100%=－×100%pHStarter3CPH。ECDDS－307。1.2.4MicrosoftExcel2007SPSS17.0p＜0.05。22.1771。a—b—11。30min6180min、80%80%。。603201432a—b—227。＞＞、＞＞4。、。2.2。3。0.2‰80.84%0.4‰0.6‰0.8‰0.6‰0.7‰80.53%2‰。a—b—3。0.2‰81.33%。0.2‰＞0.7‰＞0.4‰＞0.8‰＞0.6‰。a—b—440.6‰82.30%81.41%。0.6‰82%81%0.6‰。70320143250.4‰0.7‰0.4‰79.41%0.7‰79.34%。0.4‰＞0.7‰＞0.6‰＞0.8‰＞0.2‰0.4‰79.79%。0.4‰。2.3pHECpH。1pH8‰pH8.585.28%pHpH8‰pH6.13%pHa—b—50.25%～1.60%。1pH00.2‰0.4‰0.6‰0.7‰0.8‰pH/%pH/%pH/%pH/%pH/%pH/%8.1508.453.688.473.938.504.298.534.668.585.288.1507.88－3.317.85－3.687.69－5.647.72－5.287.65－6.138.1508.170.258.220.868.190.498.281.608.251.232‰pH3.68%6‰pH7.695.64%4‰pH0.86%。pH－6.13%～5.28%pH。2。EC1.03%～5.81%0.2‰EC611μs/cm4.44%0.8‰EC598μs/cm2.22%。2EC00.2‰0.4‰0.6‰0.7‰0.8‰EC/μs·cm－1/%EC/μs·cm－1/%EC/μs·cm－1/%EC/μs·cm－1/%EC/μs·cm－1/%EC/μs·cm－1/%58506053.425911.036002.565972.056195.8158506114.446104.276063.596022.916073.765850576－1.545880.515951.715890.685982.22、EC3.59%0.51%3.42%。－1.54%～5.81%803201432。33.1、、、、、718－19。20。YanHai21203h。。22。5。3.223。。0.2‰0.4‰0.6‰0.7‰0.8‰。。0.6‰0.6‰。0.4‰0.7‰0.4‰。。3.3、160015002000/t。1m3、200600400g。1m3、0.320.90.8。。41764%675%80%。、＞＞＞＞＞。20.2‰80.84%81.33%0.6‰82.30%81.41%0.4‰79.41%79.79%。3pH3.68%～5.28%EC1.03%～5.81%pH－3.31%～－6.13%EC2.91%～4.44%pH0.25%～1.60%EC－1.54%～2.22%。pH0.86%EC0.51%pH3.68%EC3.42%pH5.64%EC3.59%。pHEC。1HallegreffGM．AreviewofharmfulbloomandtheirapparentglobalincreasedJ．Phycological199332279－83．2ShamamaHaiderVijayNaithanjViswanathanPNetal．Cyanobac-terialtoxinsagrowingenvironmentalconcernJ．Chemosphere20035211－21．3SongLＲSanoTLiＲetal．MicrocystinproductionofMicrocystisviridisunderdifferentcultureconditionsJ．PhycologicalＲes199846S119－23．4．J．199712361－65．3189032014325%。PH。90～110℃90～110℃。。。－65～－70KPa－75KPa。。4、、。[e-mail]2014－04－213095．———J．200786－8．6．J．200518454－56．7．J．20062148－11．8．J．2006221810－15．9．J．2004282131－135．10．J．200837－8．11．J．200417190－94．12．J．20076336－339．13．J．200221518－23．14．J．201124366－68．15AndersonDM．TurningbacktheharmfulredtideJ．Nature19973887513－514．16PanGZhangMMChenHetal．ＲemovalofcyanobacterialbloomsinTaihuLakeusinglocalsoilsJ．EnvironmentalPollution2006141195－200．17．J．201235398－103．18LuoYuepingShiZhouWangShihuietal．Enhancementofalgare-movalefficiencybypolyaluminumchlorideusingclayascoagulantaidJ．ChinaWaterandWastewater20072361－64．19ＲichardHPMichaelSHChristopherJHetal．ＲemovalofharmfulalgalcellsandtoxinsfromseawaterculturebyclayflocculationJ．HarmfulAlgae20033141－148．20．2J．2009124316－317．21HaiYanGangPanHuaZouetal．EffectsofnitrogenformsontheproductionofcyanobacterialtoxicmicrocystisaeruginosaJ．JournalofEnvironmentScienceandHealth20043911/122993－3[e-mail]2014－03－27813