电化学方法在脱除废水COD中的应用

COD刘盛兵(中国石油西南油气田分公司天然气研究院)通过分析西南油气田分公司气田水中的主要污染物目前气田水脱COD工艺及水平,阐述了电化学水处理技术在污水处理领域中的应用,建议开展电化学法脱除气田水中COD的研究气田水污水处理化学需要量电化学水处理技术,,,,,,,,,,30%,COD,,1西南油气田分公司气田水的有关情况1.1240@104m311(:mg/l,pH)CODS2-SSCl-pH20.1~200000.2~13100.004~5080.06~230061~841004.5~8.41,S2-CODSS;,Cl-20000mg/l1.2,,56(GB8978-1996),22(:mg/l,pH)pHCODS2-SS6~9100101.0702目前气田水脱COD工艺及水平SSS2-,COD,,COD,CODCOD,COD1000mg/l2.1,SSS2-,COD(COD1000mg/l)10%~20%2.2()SS,COD10%2.3,COD,:NaClOO3H2O2ClO2,,2.4,,,pHCOD330min,pH218石油与天然气化工2002COD3pHCODpH4.05.05.56.07.08.5COD,mg/l380380380380380380COD,mg/l125125136176342382COD,%67676454100.0,pH,,,COD56(GB8978-1996),56(GB8978-1996),COD,COD3电化学方法在污水处理领域中的应用,,CO2H2O,,[1],,[2],,,,[3~15],,3.1,[3],COD3.2,,,,,,,,COD[4,5]12V,,COD100~400mg/l,99%;COD265.95~620.8mg/l,1280mg/l,BOD5721.05mg/l,CODBOD580%[6]3.2@106,COD2075mg/l,,0.5A30min,99.9%,COD68%~77%,100%,BOD5/COD[7]3.3)),,,,,H2O2#OH[8]Fe(OH)3,,,10V,0.1A,1.5h,COD1200mg/l,250,COD87.5%~90.0%,99%~100%,13.9kW#h/kgCOD,[9],,,,1:4200mg/l,30V2h,COD99%78.4%~97.2%[10],219第31卷第4期电化学方法在脱除废水COD中的应用,)28V1.1A,6h,429mg/l0.05mg/l,COD1156mg/l26mg/l,4000010[11,12]),COD3000mg/l200mg/l[13],,;,,),200t/h,),,[14,15]),,COD8950mg/l,BOD5563mg/l,0.06,)2h,COD5642mg/l,BOD52582mg/l,0.46,),)(),,,,COD8316mg/l,500,),COD2730mg/l,20,,,),,,COD205mg/l,),COD54mg/l,4对气田脱除COD的建议(1),,,,COD(2)COD,,,56(GB8978-1996))COD,)COD(3)COD,1,.[J].,2000,20(9):1~32,..,2001,17(3):263~2713.[J].,1998,24(1):64~684,,.[J].,1996,15(7):30~325,,.[J].,1987,17(3):49~51.6,,.[J].,1984,3(4):35~417,.[J].,1985,6(6):36~408,.H2O2#OH[J].,1997,23(6):354~3579,.[J].,1998,18(6):557~560.10,,.[J].,1999,19(1):32~3611XIEMao-song.Anewtreatmentoforganicwastewaterwithelectro-het-erocatalysis[C].Proceedingsof3rdInternationalExhibitionandconfer-ence,EnvironmentalTechnologyfor21stCentury,Greece,I,1999:31912,,.)[P].,CN1174175,199813.)[P].,CN1078171A,199314,,.)[P].,00122912,200015,,.)[J].,2001,21(9):15~17:,1972,1997,,:(646002):2002-01-15:2002-01-30:220石油与天然气化工2002chromatograph(EC).Twenty-sixunknownsamplesweretestedbyTLC/FIDmethodandtheconvention-alECmethod.Thecorrelationcoefficientsofthere-sultstestedbythetwomethodswere0.9614,0.9359and0.9639,forsaturates,aromaticsandresin,re-spectively.Thevalidityofthedevelopedmethodwasprovedbypairedtest.TheTLC/FIDmethod,withitsadvantagesofbetterrepeatability,shortertestingtimeandsimpleroperation,canbeusedasanalternativefordeterminingthehydrocarboncompositionofcatalyticcrackingfeedoils.SUBJECTHEADINGS:catalyticcrackingfeedoil,hydrocarboncomposition,TLC/FID,partialleastsquaremethod,quantificationalcalibrationmodelINTRODUCTIONOFTHE14THANNUALCONFER-ENCEOFISO/TC193HuangFei(Quality,Safety&EnvironmentalProtectionDepartment,PetroChinaCompanyLimit-ed),GuoYuming,ChengGengliang(PetroChinaSouthwestOilandGasFieldCompany).CHEMICALENGINEERINGOFOILANDGAS,VOL.31,NO.4,pp216~217,2002(ISSN1007-3426,INCHINESE)ABSTRACT:AsarepresentativeofPetroChinaCompanyLimited,theauthorstookpartinthe14thAnnualConferenceofISO/TC193convenedrecent-ly.Accordingtothediscussedproblemsonthecon-ferencebyworkgroupdirectlyunderTC/193andthreebranchcommitteesincludingTC/193SC1,TC/193SC2andTC/193SC3,themaincontentsarein-troduced.Basedonthecontrastofthedatameasuredbygaschromatographytothedataonfield,andthedifferencebetweenthecalculationresultstophysicalpropertiesusingcompositionanalysisdataandthedeterminedresultswithinstrument,SC1decidesthattwonewworksuggestionswillbeproposedbyCh-ineserepresentativegroup.Combinedwiththedeve-lopmentpresentsituationofnaturalgasstandardsys-teminChina,somesuggestionsonstrengtheningtheconversionofnaturalgasstandardsystemandtech-nologyprogressaregiven.SUBJECTHEADINGS:ISO/TC193,naturalgas,standard,conferenceREMOVALOFCODINTHEGASFIELDWASTEW-ATERBYELECTROCHEMICALMETHODLiuShengbing(ResearchInstituteofNaturalGasTechnology,PetroChinaSouthwestOilandGasFieldCompany).CHEMICALENGINEERINGOFOILANDGAS,VOL.31,NO.4,pp218~220,2002(ISSN1007-3426,INCHINESE)ABSTRACT:Thepaperanalysesmainpollutantsintheproducedwaterofgasproductionandthepre-senttreatmentmethodsandlevelinthePetroChinaSouthwestOilandGasFieldCompany.Itintroducestheapplicationsofelectrochemicalmethodtowastewatertreatmentextensively.Usingelectrochem-icalmethodtoremoveCODinthegasfieldwaterisalsorecommended.SUBJECTHEADINGS:gasfieldwastewater,wastewatertreatment,chemicaloxygendemand(COD),electrochemicalwatertreatmenttechnologyDISCUSSIONONINFLUENCEFACTORSANDRE-MOVALMETHODSINDETERMININGCODOFWASTEWATERINOILFIELDWanLiping,MengYingfeng,ZhaoLizhi(South-westPetroleumInstitute),LiuZhide(ResearchInst-ituteofNaturalGasTechnology,PetroChinaSouth-westOilandGasFieldCompany).CHEMICALENGI-NEERINGOFOILANDGAS,VOL.31,NO.4,pp221~222,2002(ISSN1007-3426,INCHINESE)ABSTRACT:Basedonthecharactersoflowra-tioofrepeatabilityandwidevariationofrangeinde-terminingCODofacidizingwastewaterinoilfield,authordiscussedfourinfluencefactorsandremovalmethodsthroughmuchlaboratoryresearch.Theex-perimentalresultsshowedthatchlorineioncontentdisturbsCODvaluedrasticallyfirst,thesecondisthepetroleumcontent.Thesuspendedsubstancecon-tentandheatingtimehavelittleinfluenc