高锰酸钾复合药剂强化过滤微污染水质的效能研究许国仁

　:0253-2468(2002)-05-664-07　　　:X703.1　　　:A许国仁,李圭白　(　　150090):,(CP),.,CP.:CP、、,.:;;;;Efficiencyofenhancedfiltrationwithcompositepotassiumpermanganate(CP)inpolluteddrinkingwaterfreatmentXUGuoren,LIGuibai　(HarbinInstituteofTechnology,Harbin　150090)Abstract:Theeffectandcausationoffilterfailurebypollutedwaterwerediscussed.Theefficiencyandmechanismofenhancedfiltrationwithcompositepotassiumpermanganate(CP)pretreatmentprocessinpollutedwatertreatmentwerestudied.Andtheconceptofenhancedtreatment(enhancedcoagulationandenhancedfiltration)inpolluteddrinkingwatertreatmentwaselaborated.Theplantscaleexperimentsresultshowedtheexcellentefficiencyofenhancedfiltrationinremovalofturbidity,color,alga,odor,organiccontaminateandwithstandingthechangeofturbiditybyCPpretreatmentprocess,whichexcelledtheefficiencyofprechlorinationandPFScoagulationprocess.Keywords:organiccontaminates;color;turbidity;potassiumpermanganate;enhancedfiltration:2002-01-01;:2002-03-27:(1968—),,　Email:[e-mail],90%,50%,,EPA,、、,,[1,2].,,,.,,,.,,,.、,[3,4].、、、、、、、、、,(EnhancedTreatmentProcess),.22520029　　　　　ACTASCIENTIAECIRCUMSTANTIAEVol.22,No.5Sep.,2002DOI:10.13671/j.hjkxxb.2002.05.0251　(CP)1.1　、、..,:,..,,.1.2　(CP)(CP)()().[5].CP[5,6].(CP)、、、.,.2　(CP)2.1　2.1.1　　,.;,1997280.;.,、、、、,1.、,21—5,.1　Fig.1　ReservoircolorcurveofHuangheRiverlowerreachinpastyears2　Fig.2　Curvesofreservoirwatercolorandcoloraftertreatment　　,,..、、、,,.12,3—3.5℃,10.8—20NTU,18.COD:6.1mgL.7—86655:,26℃,:2000×104—3000×104L,2,8.3—10NTU,CODMn:5.9mgL,pH:9.0.3　Fig.3　Flowchartofwatertreatmentplant　　　　　.3.,CP(PFS),PFS,.CP(PAC),PAC,、、.,,、CP,.,.、、、、CODMn..,1h.1L,3,.4　CPFig.4　EfficiencyofturbidityremovalbyCPpretreatmentprocess5　CPFig.5　EfficiencyofcolorremovalbyCPpretreatmentprocess《》[7].2.1.2　　4、5CP、.4:15.1NTU,CP(CP:0.4mgL,PFS:14mgL):0.3—2.9NTU,:1.2NTU,:92%.(Cl2:3mgL,PFS:14—18mgL)::5.0NTU,:67%.CP76%.CPPFSCP(CP:0.8mgL,PFS:8mgL),:0.1—1.0NTU,:0.4NTU,:97%.(Cl2:3mgL,PFS:14—20mgL):2.5—4.5NTU,:3.3NTU,:78%.CP666　　　　　　　　　　2288%,42.9%—60%.5,CP(PFS:14mgL,CP:0.4mgL):5,:72%.(Cl2:3mgL,PFS:14—18mgL):13,:28%,CPPFS44%,62%.CPPFSCP(PFS:8mgL,CP:0.8mgL):2—3,2.5,:83%—89%.(Cl2:3mgL,PFS:20mgL):13,:28%CPPFS55%—61%,81%.6CP,254,.6　CPUV254Fig.6　UV254testresultsbyCPenhancedpretreatmentprocess17、8(1,).1,,(PAC),2,2;,,2,1;CP,0.24mgL,PAC2.7mgL,0,100%,(PAC:5.4mgL)(KMnO4:0.5mgL,PAC:5.4mgL),.1　()Table1　Odorremovalbyvariouspretreatmentprocesses(afterfilter),%1.PAC:5.4mgL2202.PAC:5.4mgL+KMnO40.5mgL21503.PAC:2.7mgL+CP0.24mgL201004.PAC:2.7mgL+CP0.5mgL201005.PAC:5.4mgL+CP0.24mgL201006.PAC:5.4mgL+CP0.5mgL201007.PAC:5.4mgL+CP0.5mgL20100　　7CP,,CP(PAC),CP:80%,92%(PAC:2.7mgL,CP:0.5mgL);PAC:5.4mgL,:57.1%;CP.8CP,,CP(CP:0.5mgL,PAC:5.4mgL),:92%—97%;(KMnO4:0.5mgL,PAC:5.4mgL):54%;(PAC:5.4mgL):60%;CP32%—37%38%—43%.6675:7　()Fig.7　Algaremovalbyvariouspretreatmentprocesses(afterfilter)8　CP()Fig.8　Turbidityremovalbyvariouspretreatmentprocesses(afterfilter)2.2　CP2.2.1　　,,,.:CODMn:6.4mgL;:20;pH:7.2—7.3;:0℃2　Table2　DosageofvarioustreatmentprocessesPAC,mgL,mgLKMnO4,mgLCP,mgL,L1————18213———183134.0——18413—1.0—18513——2.318;:40.,、、、、CP2,HP5890—5971GCMS.2.2.2　　3,CP23,93.9%,.3　Table3　Efficiencyoforganicmatterremovalbyvarioustreatmentprocesses(),,%,%,%,%1.15310002.3×101010002.+PAC13789.510.56.6×10928.772.33.+PAC+Cl29964.735.34.8×10920.979.14.+PAC+KMnO48454.945.14.1×10917.882.25.+PAC+CP5133.366.71.4×1096.193.93　CP.3.1　,(OrganicCoating)[3].,,;,,.668　　　　　　　　　　22,,,[5].CP,,、,,,;,CP,、.48:CP,、.3.2　CPKMnO4,,.,,,.:,[8].5,CP.,,,,[9].1CP.,(SEM),,,,,.,[10].,:、,,[5].4CP,,,..[11],,,,,...3.3　(CP),,CP.:(1);(2),[10].,0.5mgL,、,、.、、.,、.,,、[10].7CP,.6695:3.4　-、、、(CP),,、、,,,,—.CPFe2+、Mn2+Fe3+、MnO2,CP,,Fe2+、Mn2+、Fe3+、Al3+、Ca2+、Mg2+、MnO2,,、、、、、、.,,,;、、[5,10];CP,CP,,(Oxidation-Polymerization),[12].,[5].CP,.(CP)、.4　,、,、;;(CP)、、、,、、.(CP).:[1]　EPA.EndocriceDisruptorScreeningandTestingAdvisoryCommittee(EDSTAC)FinalReport[M].Washington.1998[2]　,.[M].:,2001.1—34[3]　KrasnerSW,AmyGJar.Testevaluationsofenhancedcoagulation[J].AWWA,1996,88(10):93[4]　,,.[M].:,2000.31—46[5]　.[D]..1999[6]　,,.[J].,1995,21(9):5—11[7]　《》.[M].:,1997[8]　MuminaOA.Electricaloxidationofcoloredimpuritiesinanaqueoussuspensionofmanganesedioxide[J].SovietJournalofWaterChemistryandTechnology,1985,7(4):47—51[9]　LalezaryS.etal.Oxidationoffiveearthy-mustytasteandodorcompounds[J].AWWA.,1986,78(3):62[10]　PetrusevskiB,VanBreemenAN,AlaevtsG.EffectofpermanganatepretreatmentandcoagulationwithdualcoagulantsonalgaeRe-movalindirectfiltration[J].WaterSRT-Aqua1996,45(5):316[11]　SpicherRG.StrindeRT.Potassiumpermanganateoxidationoforganiccontaminantsinwatersupplies[J].AWWA.,1963,55(9):1174[12]　Hans-JakobUlrich,AlanTStone.Oxidationofchlorophenolsadsorbedtomanganeseoxidesurface[J].EnvironSciTechnol,1989,23:4670　　　　　　　　　　22