Fenton氧化混凝沉淀法处理焦化废水研究

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20091,AAO,。,AAOAODPB46%23%,AAO。AAODPB,PONPONn35%65%。AODPB,PONPONn13%87%。AOAAOPHB。:[1]NgWJ,OngSL,HuJY.Denitrifyingphosphorusremovalbyanaerobic/anoxicsequencingbatchreactor[J].WaterScienceandTechnology,2001,144(1):187-194.[2],,,.A/ASBRPHB[J].,2005,27(3):80-84.[3],,./SBR[J].,2003,4(6):9-12.[4],,.[J].,2002,18(9):4-7.[5],,,.[J].,2003,19(3):8-10.[6],,,.A2O[J].,2005,56(8):1565-1570.[7],,,.SUFRCOD[J].(),2005,28(1):121-125.[8]HuJY,OngSL,NgWJ,etal.Anewmethodforcharacterizingdenitrifyingphosphorusremovalbacteriabyusingthreedifferenttypesofelectronacceptors[J].WatRes,2003,37:3463-3471.[9]WachtmeisterA,KubaT,vanLoosdrechtMCM,etal.Asludgecharacterizationassayforaerobicanddenitrifyingphosphorusremov-ingsludge[J].WatRes,1997,31(3):471-478.[10]MeinholdJ,FilipeCDM,DaiggerGT,etal.Characterizationofthedenitrifyingfractionofphosphateaccumulatingorganismsinbiologi-calphosphateremoval[J].WatSciTech,1999,39(1):31-42.[11]《》.()[M].:,1989.[12],,,.[J].,2005,25(5):515-518.[13]JensPeter,Keren-Jespersen,MogensHenze,eta1.Biologicalphos-phorusreleaseanduptakeunderalternationanaerobicandanoxicconditionsinafixed-filmreactor[J].WatRes,1993,27(4):617-624.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![]2009-01-14[](20071D0900500324)[](1975-),(),,,,(Tel)13522700331。Fenton,,,(,101102):Fenton,COD,。30%H2O2400mg/L,Fe2+/H2O2()1∶5,0.5h,pH3,PAC100mg/L。COD70.6%,CODGB8978-1996《》,,。:Fenton;;X703.1A1672-99002009-01-0018-03Studyoncoke-plantwastewatertreatmentbyFentonoxidation-coagulationprecipitationmethodCHENJin-song,WENYi-bo,WANGKai,LITian-zeng(BeijingSoundEnvironmentalProtectionGroup,Beijing101102,China)Abstract:Theeffluentfromsecondarysedimentationtankofcoke-plantwastewaterbiochemicaltreatmentplantwastreatedbyFentonoxidation-coagulationprecipitationmethod.BasedonCODremovalrateandoperatingcost,appropriatereactionconditionswereproposed.Thedoseof30%H2O2was400mg/L.ThemolarrationofFe2+toH2O2was1∶5,andreactiontimeandpHwere0.5hand3respectively.PACdosewas100mg/L.TheresultsshowedthattheremovalratesofCODwas70.6%,andtheCODeffluentqualitysatisfiedthecriteriaspecifiedinIntegratedWastewaterDischargeStandard(GB8978-1996).Theprocessshowedconsiderableoperatingcostsavingsandwasfeasibleforcoke-plantwastewatertreatmentproject.Keywords:Fentonoxidation;coke-plantwastewater;coagulation、、[1~2],CODCr,。,(Fenton)·18·20091[3],,Fenton,Fenton。11.1,1。H2O2(30%),,NaOHFeSO4·7H2O。M180、PFS、PAC、PAM。,、、pHSS,COD。1.21.2.11.2.2Fenton,200mL,PHS-25CH2SO4NaOHpH,FeSO4·7H2OH2O2,,30min,1h,。Fenton,pH,,JJ-4150r/min1min,50r/min5min,30min,COD。22.1Fenton2.1.1Fe2+/H2O2()CODH2O2COD2,400mg/L,pH=3[4~5],30min,COD227.4mg/L,27℃,Fe2+/H2O2COD2。1,Fe2+,COD,Fe2+/H2O21∶5,COD,Fe2+,Fe2+/H2O21∶5,COD,Fenton[6]:Fe2+,·OH;Fe2+,H2O2·OH,·OH,H2O2。,Fe2+·OH·OH,。FentonFe2+/H2O2,1∶4~1∶6。2.1.2H2O2FentonFentonFe2+H2O2,FentonpH3,Fe2+H2O21∶5,30min。,H2O2COD,2。2,H2O2,H2O2,COD。CODH2O2,H2O2400mg/L,COD,H2O2800mg/L,COD。H2O2H2O2,·OH,COD;H2O2,H2O2·OH,·OH,H2O2。2.1.3FentonH2O2400mg/L,Fe2+/H2O2()1∶5,pH3,COD。3,COD,30min,30min,,COD。2h,COD62%。,30min。2.2Fenton,,,,,SS,COD,Fenton。5min,27℃,3。,。2,,COD,100mg/L,PAM1mg/L。,PAC。3,Fenton1CODCr/(mg/L)NH3-N/(mg/L)/(mg/L)pHSS/(mg/L)150~2000.5~2.00.56.5~7.835.9~70.0GB8978-1996()100150.56.0~9.0701Fenton荩荩2Fe2+/H2O2CODFe2+/H2O2COD/(mg/L)COD/%1∶16135.440.51∶10130.642.61∶80121.546.61∶50091.959.61∶40104.054.3,,,:Fenton·19·200913/(mg/L)COD/%/(/t)PAC50.005.10.08100.008.70.15PFS50.004.60.09100.007.30.17PAM0.503.20.241.009.10.48M18050.006.40.15100.010.30.30:H2O2400mg/L,FeSO4·7H2O196.3mg/L,27%1.1mL/L,pH20%NaOH1.25mL/L,PAC100mg/L,Fenton,COD60~70mg/L,COD。Fenton。30%H2O21400/t,FeSO4·7H2O450/t,PAC1500/t,98%1200/t,3200/t,2.25。M1803/t,。4(1)Fenton:30%H2O2400mg/L,FeSO4·7H2O196.3mg/L,0.5h,pH3,PAC100mg/L,COD70.6%,。(2)Fenton2.25/t,,,。:[1]ZhangMin,TayJH,QianYi,etal.ComparisonBetweenAnaerobic-Anoxic-OxicAndAnoxic-OxicsystemsforCokePlantWastewaterTreatment[J].JournalofEnvironmentalEngineering,1997,9:879-880.[2].[D].:,1995.[3],,,.UV/Fenton[J].,2008,2(7):338-346.[4],,,.Fenton[J].,2006,29(10):72-74.[5]LeeH,ShodaM.RemovalofCODandColourfromLivestockWastewaterbytheFentonMethod[J].JournalofHazardousMaterials,2008,153:1314-1319.[6],,,.pH—Fenton[J].,2005,25(4):291-294.1,2(1.,271000;2.,271018):,,,,、、。,。:;;;;;S273.5A1672-9900200901-0020-04AdiscussionontreatmenttechnologiesandapplicationsforsewageharmlessnessandresourcefulnessinsmalltownsZHANGLi1,JIANGRui-xue2(1.ArchitectureEngineeringCollege,TaishanPolytechnic,Tai'an271000,China;2.ShandongAgriculturalUniversity,CollegeofWaterConservancyandCivilEngineering,Tai'an271018,China)Abstract:Smalltownsplayanincreasingroleinthestrategyofsustainabledevelopmentofourcountry,atthesametimetheaquaticenvironmentbecomesworsebadly,basedonthecharacteristicofsewage,takeintoaccountthelowlevelecno-my,itwasgivenseveralwaterpollutioncontroltechnologieswhichwereecnomic,efficiency,saving,convenient.Itwasad-visedthatthesewagereuseforagricultureirrigationafteraharmlesstreatmentwouldachievebenigncirculationandsus-tainabledevelopmentofwaterresourcesinsmalltowns.Keywords:smalltowns;ecologicaltreatment;chemicalenhancedprimarytrea
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