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2 6环境工程学报Vol.2,No.620086ChineseJournalofEnvironmentalEngineeringJun.2008-祝 威1 黄翔峰2＊ 费晓明2 张 建1 桂召龙1 谷梅霞1 毛雷霆1(1.,257026;2.,,200092) -“--”。:(55℃),;“-”“-”COD80mg/L,15h7.5h。-。 X741 A 1673-9108(2008)06-0757-05Treatmentofoilfieldproducedwastewaterwithhighmineralityusinghydrolysisacidification-oxidationprocessatdifferenttemperaturesZhuWei1 HuangXiangfeng2 FeiXiaoming2 ZhangJian1 GuiZhaolong1GuMeixia1 MaoLeiting1(1.ShengliEngineeringDesignConsultationCo.Ltd.,ShengliOilField,Dongying257026;2.CollegeofEnvironmentalScienceandEngineering,StateKeyLaboratoryofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092)Abstract Thetreatmenteffectonoilfieldproducedwaterwithhighminerality,whichwasoriginallytrea-tedby“oilseparation-coagulation-filtration”processatsomeunitedstationinShengliOilFieldofShangdong,wasstudiedusinghydrolysisacidification-oxidationprocessunderdifferenttemperaturecombination.Theresultshowedthatthemicrobesinhydrolysisacidificationreactorcouldbeaccustomedtohightemperature(55℃),whiletheactivityofmicrobesinoxidationreactorweregreatlyinhibitedbyhightemperature.WheninfluentCODwas110～150mg/L,theeffluentCODcouldmeetthedischargingstandardof80mg/Lafterusing“high-tem-peraturehydrolysisacidification-mid-temperatureoxidation”processand“mid-temperaturehydrolysisacidifica-tion-oxidation”processwiththemostoptimalretentiontimewas15hand7.5h,respectively.Itwasfeasibletoapplyhydrolysisacidification-oxidationprocesstotreatoilfieldproducedwastewaterwithhighminerality.Keywords oilfieldproducedwastewater;hydrolysisacidification;oxidation;discharge;temperature:(045458058):2007-08-06;:2008-01-31:(1968～),,,,。＊,E-mail:hxf@mail.tongji.edu.cn ,,,,。,、、,。“”“--”,,[1]。“--”,12000mg/L,。,《》(GB8978-1996)COD150mg/L,COD80mg/L。“--”2COD[2],,。55℃,,、COD,。1 1.1 -,1,,,50mm,0.71L。1 -Fig.1 Experimentflowchart2,(303A-4),±0.5℃,。1.2 [3]。。1∶1,2g/L。(∶∶=1∶1∶1),,。1.3 “--”,COD∶N∶P=100∶5∶1NH4ClKH2PO4,1,,《》(GB8978-1996),COD80mg/L。Cl-6251mg/L,COD[4],COD。1 Table1 WaterqualityusedintheexperimentCOD(mg/L)(mg/L)(mg/L)(mg/L)SS(mg/L)Cl-(mg/L)110～1501479～23857.2～9.510907～1355033.4～91.36071～653812217608.31260058.862511.4 pH:ModelAB15;DO:JPB-607;COD:,,1.2g;[5]。1.5 ,[6]-,15h10h。,-,2。,2～3,2 -Table2 Experimentprojectofhydrolysisacidification-oxidationprocessatdifferenttemperatures(℃)(h)1353520、15、10、7.5、525555153553515、12、7.55～7d。,(55℃)-(35℃),,35℃。7586 :-2 2.1 (35℃)-(35℃)(35℃)-(35℃)2。2,-,20h,15h,10h7.5h,COD80mg/L。15h,COD90mg/L,COD70mg/L。7.5h,COD95mg/L,COD70mg/L。2 -CODFig.2 TreatmenteffectonCODusingmid-temperaturehydrolysisacidification-oxidationprocessatdifferentretentiontimes2.2 ,。,。15h-。,2。4,35～40℃、40～45℃、45～50℃50～55℃,1℃,3d1℃,2。3。3,。35℃50℃,COD。40～50℃,,,,,CODCOD。3 Fig.3 Experimentalresultsofraisingtemperature40～50℃,50～55℃。50～55℃35℃[7],35℃,。,40～50℃。,35℃。,,,,COD90mg/L。2.3 (55℃)-(55℃)4,-,15h30d,COD110mg/L,COD2d80mg/L,90mg/L4 HRT=15h-CODFig.4 TreatmenteffectonCODusinghigh-temperaturehydrolysis-acidification-oxidationprocess(HRT=15h)7592,80mg/L。,。2.4 (55℃)-(35℃)55℃35℃,(55℃)-(35℃)。5。5,-,15h,COD100mg/L,COD70mg/L,80mg/L。5 -CODFig.5 TreatmenteffectonCODusinghigh-temperaturehydrolysisacidification-mid-temperatureoxidationprocessatdifferentretentiontimes2.5 -HRT=15h、3。3,15h“-”“-”,“-”。3 HRT=15h-Table3 Treatmenteffectofhydrolysisacidification-oxidationprocess(HRT=15h)(℃)COD(mg/L)COD(%)(35)(35)122±493.4±871.8±741.1±4(55)(55)118±10112±1286.3±927.4±6(55)(35)120±6108±1069.4±942.1±3“-”“-”,COD,55℃。,CODCOD,COD,,35℃。25,“-”“-”。“-”“-”,、,COD,55℃。2.6 ,“”COD,。[8～10],-:,,,;,,[11,12]。,:,,[13],[7],;,(3000mg/L),[10]。,、。-。,15h“-”“-”COD80mg/L,-。,COD80mg/L,“-”“-”,7.5h,“-7606 :-”COD80mg/L,“-”15h。,。55℃,,,“-”,,“-”“-”。,,,,,,。“-”,,,。,,“-”“-”。3 (1)-“--”。COD110～150mg/L,(35℃)-(35℃)(55℃)-(35℃)COD80mg/L。(2)-,7.5h;-,15h。(3)。,40～50℃,,。55℃,,。[1],,,..,2003,23(8):5～8[2],,.COD.,2002,28(6):44～47[3],,,..,2001,27(2):27～29[4].COD.,2005,32(5):50～52[5]《》.().:,2002[6],,,.-.,2005,31(10):54～57[7]..:,1996[8],,,..,2003,16(6):10～12[9]..,2001,15(5):37～39[10],,,..,2006,19(4):42～46[11],,.-.,2003,23(7):22～25[12],,,.-.,2006,7(2):89～92[13],,,..,2005,15(2):17～19761