高锰酸钾预氧化技术取代折点加氯的试验张荣勇

38320056()EngineeringJournalofWuhanUniversityVol.38No.3June2005:2004-07-01:(1977-),,,.:1671-8844(2005)03-096-03张荣勇,杨　开,袁德玉,周　刚(,　430072):,,、,.,,,,.:;;;CODMn;:TU99　　　:AUsingpotassiumpermanganatepre-oxidationtechnologytoreplacebreakpointchlorinationtreatmentZHANGRong-yong,YANGKai,YUANDe-yu,ZHOUGang(SchoolofCivilandArchitecturalEngineering,WuhanUniversity,Wuhan430072,China)Abstract:Throughprocreativeexperiment,wecomparepotassiumpermanganatepre-oxidationtechnolo-gywiththebreakpointchlorinationtreatment;testeffectsofremovaltopollutantofsurfacewater,suchasorganicpollutant,NH3-N,Fe2+,Mn2+,etc.arechecked;andensureifpostassiumpermanganatepre-oxidationtechnologycanreplacethebreakpointchlorinationtreatment.Theresultsofexperimentindicatepostassiumpermanganatepre-oxidationcanreplacebreakpointchlorinationtreatmentsuccessful-ly.Thetechnologyresolvestheintractableproblemsofwatersupplyandimprovesthewaterquality,andadvancesthesafetyandstabilityofwatersupply.Keywords:potassiumpermanganatepre-oxidation;Fe2+;Mn2+;CODMn;breakpointchlorination　　,———,,,.,[1],,;(THMS,),、、“”[1],,.,.,、,[2～4],[5],[6,7],[8]().,.1　1.1　,　3:.,[9],50m.1.1　1.2　,,,1.5mg/L30min,,4.0～6.0mg/L.()..,1.2mg/L,5.0mg/L,25mg/L.2　2.1　,+,,,90%.0.04mg/L,0.01mg/L,(0.1mg/L).2.0.01mg/L,.2　+2.2　CODMnCODMn,35%,,.,,.,,,.,,.,.3.3　+CODMn2.3　、.,,,12mg/L,8mg/L,.2.4　+.,12%,,..,.2.5　+,,30,1.1,.,1/10.,:,;,TOC;,.,97()2005,.1　　+pH7.26.8NTU0.300.44/mL-100/μscm-19859851261401401202482580.010.010.90()0.45()0.1790.103124.78127.520.350.320.0014/mgL-10.0060.0062.673.840.00380.00680.010.010.10.10.00010.00150.00010.00010.00030.00040.00010.00010.00010.00013.7830.91/ugL-10.050.353　,22.0mg/L,29mg/L.,5mg/L,25mg/L,1.2mg/L.8500/t,2200/t,2500/t.5×104m3/d,6000/d,4200/d,1800/d65.7/.,、,,.,.4　　,,,..,,,,.,、.:[1]　.[M].3.:,2001.[2]　　,,,,.[J].,2003,199(8):61-62.[3]　　,,,　.、[J].,1997,13(6):13-15.[4]　　,　,　,　,　,.[J].,2003,29(3):30-32.[5]　　,.[A].:[C].:,1992.[6]　,,,.[J].,1998,24(12):13-14.[7]　　,　,　,.[J].,1998,14(5):9-11.[8]　　,,,.[J].,1992,8(4):4-7.[9]　,　.[J].,2005,21(2):59-60.98