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:025322468(2001)20220251203:TU99112:A,,,(,150090):,:.,.:;;;Researchonenhanced2coagulationforalgaeremovalinlakesorreser2voirsSHIYing,MAJun,CAIWeimin,LIGuibai(HarbinInstituteofTechnology,Harbin150090)Abstract:Testofenhanced2coagulationwithpotassiumpermanganatecompositechemicalsuponalgaeremovalaredescribed.Resultsshowedthattheefficiencyofalgaeremovalbyenhanced2coagulationwithonlyasmalldoseofpotassiumpermanganatecompositechemicalswassignificant.Furthemore,thealgaeremoralefficiencyofthistechniqueishigherthatthetechniguesofconvertionalpro2chlorinationandconductionofpotassiumpermanganate.Keywords:algaeremoval;potassiumpermanganatecompositechemicals;enhanced-coagulation;pre-chlorination;pre-potassiumpermanganate:2000203222;:2000207208:(59825106):(1971),,.,,.,,,;,,.,,pH;.[1]..,,.,,,.,,,.,..1[2],9750/L,32NTU,pH=8.5,CODMn16.2mgL-1,28,UV254=0.37cm-1,E420=0.131cm-1,,21220013ACTASCIENTIAECIRCUMSTANTIAEVol.21,No.2Mar.,2001,1min,300r/min,1min,40r/min10min,30min,1cm,(),..22.1PPC1,PPC1min.,PPC0mgL-1,,20mgL-160mgL-1,60%69%.PPC1mgL-1,20mgL-1,70%,60mgL-1,80%,PPC1mgL-1PPC.,PPC,.1PPC.().,PPC,,.1KMnO4PPCFig.1Effectofenhanced2coagulationwithpermanganatecompositechemicalsuponalgaeremoval2PPCCl2KMnO4Fig.2Effectofenhanced2coagulationwithPPC,Cl2,KMnO4,onalgaeremovalaftersedi2mentation3PPCCl2KMnO4Fig.3Effectofenhanced2coagulationwithPPC,Cl2,KMnO4,onalgaeremovalafterfiltra2tion2.2PPC1,,.2PPC.Cl2,,,25221,,,80%.3.97%.4PPCCl2KMnO4UV254Fig.4Effectofenhanced2coagulationwithPPC,Cl2,KMnO4onUV254foralgaeremovalafterfiltration254nm(NPTOC)(TTHMFP).,UV254CODCrUV254TOCUV254BOD5[3],UV254.,,(THM).4,UV254,G4,751=254nm,UV254,UV254.THM.3,PPC.,PPC14%,3.9%,UV254,THM.,,.:[1].[D].:,1999[2],,.pH[J].,2000,16(1):1820[3],.[M].:.19903522: