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Fenton叶必华 陈金龙 张全兴(,210093) Fenton。,CODCr,73.5%95%。BOD5CODCr0.45,。、。 Fenton Treatmentofwastewaterreleasedfromproductionofphenyl-triazolealcoholbyFentonreagentandammoniaaerationprocessYeBihua ChenJinlong ZhangQuanxing(StateKeyLaboratoryofPollutionControlandResourceReuse,SchoolofEnvironment,NanjingUniversity,Nanjing210093)Abstract Itisreportedthatthewastewaterfromtheproductionofphenyl-triazolealcoholistreatedwithcatalyticoxidationbyFentonreagentandaerationbyair.TheresultsindicatethattheremovaleffectsofCODCrandammoniaareverygood,andtheremovalratescanreach73.5%and95%,respectively.Afterthetreatment,theratioofBOD5CODCrofthewastewaterishigherthan0.45whichexhibitsgoodbiodegradability.Themethodhassomemerits,in-cludinglowenergyconsumption,easyoperation.Keywords phenyl-triazolealcohol;Fentonreagent;ammoniaaeration;wastewatertreatment:2002-10-19;:2002-12-20:(1971～),,,1995,2000,。 1--3--1,2,4-()、,。、,、。,、,,,,。,,-,,,。Fenton,,。Fenton,H2O2Fe2+HO·,,HO·(HO·+H++e=H2O,E=2.8V)F2(E=2.87V)。Fenton,。,Fenton,[1—6]。(NH+4)(NH3)。pH,。:、、、()。,。,。,,。(Fentonreagent)42Vol.4,No.220032TechniquesandEquipmentforEnvironmentalPollutionControlFeb.2003,,。1 1 1.1 。:CODCr27000mgL;TOC14325mgL;NH3-N18900mgL;SS1300mgL;pH1.0—1.5。1.2 (1),,,pH3.0,,CODCr23500mgL,。(2),pH,FeSO4·7H2O30%H2O2,Fenton1.5h,pH8.5—9.0,,CODCr。(3),pH,50mm×300mm。200mL,150Lh,12h,NH3-N。1.3 CODCr,NH3-N,BOD5,SS,pH。1.4 1。2 2.1 CODCr2.1.1 Fe2+pH3.0,7.5gL(H2O2,),,,2。2,Fe2+200mgL,CODCr。Fe2+,,,Fe2+。Fe2+,CODCr,Fe2+,Fe2+HO·,[7]。,Fe2+200mgL。2 Fe2+CODCr2.1.2 pHFe2+200mgL7.5gL,pH,,3。3,pH2.0—4.0,pHCODCr。:(1)pHFe3+Fe2+,;(2)Fenton,pH,H2O2HO·。,pH3.0。2.1.3 H2O2Fe2+200mgLpH3.0,,,4。4,H2O2,CODCr,H2O212.0gL,CODCr。112:FentonH2O2HO·,HO·,H2O2。,,H2O212.0gL。3 pHCODCr4 H2O2CODCr2.1.4 H2O2H2O2,[8],H2O2。CODCr,1。1,。H2O2,H2O2,CODCr。1 H2O2CODCrH2O2CODCr(%)70.23(10min)73.52.1.5 CODCrH2O212.0gL,,1.0gLH2O2471mgLCOD,H2O2COD5652mgL,COD24.0%,CODCr73.5%。:(1)HO·[9,10],,,;(2)pH8.5—9.0,,Ca(OH)2,,CODCr。2.2 ,,,(NH+4)H2O2,[11]。,18900mgL,,,,。2.2.1 pH(22—24℃),150Lh,12h,pH,pH,5。5,pH,pH11,,[12]。,pH11.0。5 pH2.2.2 pH11.0,,,,6。6,,40℃,。,30—40℃。,600mgL,1000mgL,[13]。1246 3 (1)CODCr,,:Fe2+200mgL,pH2—4,H2O23,12.0gL,,CODCr73.5%。(2):pH11,150Lh,30—40℃,,95%。,,,,。(3),CODCr7000mgL,NH3-N600mgL,BOD5CODCr0.45,,,。[1]GulyasH.Processfortheremovalofrecalcitrantorganicsfromindustrialwastewaters.WaterSci.Technol.,1997,36:9—16[2]LinS.H.,LoC.C.Fentonprocessfortreatmentofdesizingwastewater.WaterRes.,1997,31:2050—2056[3],,.Fenton.(),1997,12(3):294—297[4],,.-H.,1995,15(5):368—372[5],,.H2O2Fe2+.,2001,20(1):13—15[6],,.H2O2-Fe2+.(),2001,24(3):426—429[7],,.Fenton.,2001,(3):24—25[8].H2O2-Fe2+-2-(ASA).,1987,13(4):193—199[9],,.Fenton.,1994,14(5):341—345[10]KangS.F.,LiaoC.H.,ChenM.C.Pre-oxidationandcoag-ulationoftextilewastewaterbytheFentonprocess.Chemo-sphere,2002,46:923—928[11],,.H2O2.,2002,28(2):118—119[12],,..,1999,19(4):19—21[13]..:,1992,162(责任编辑:刘 颖)(上接第9页)。[1]M.RaihanTaha,I.HenrySoewarto,YalcinB.Acar.Surfac-tantenhanceddesorptionofTNTfromsoil.Water,Air,andSoilPollution,1997,100:33—48[2]MehdiBettahar,GerhardSchafer,MarcBaviere.Anoptimizedsurfactantformulationfortheremediationofdieseloilpollutedsandyaquifers.EnvironmentalScience&Technology,1999,33(8):1273—1286[3]MinheeLee,JohnC.Fountain.Theeffectivenessofsurfactantsforremediationoforganicpollutantsintheunsaturatedzone.JournalofSoilContamination,1999,8(1):39—62[4]..:,1986,1020[5]ChardT.Jafvert.Sediment-andsaturated-soil-associatedreac-tionsinvolvingananionicsurfactant(dodecylsulfate).2.parti-tionofPAHcompoundsamongphases.Environ.Sci.&Tichn-ol.,1991,25(6):1039—1045[6],..,2000,21(1):27—31(责任编辑:刘 颖)132:Fenton