SBR法处理油田采出水李哲

SBR李　哲,刘振华,张俊贞(天津大学,天津　300070)　　:SBR()。,8h1,1h,5h,2h。5h,COD100mg/L,80%-90%。:SBR;;:X703　　:A　　:1002-1264(2000)01-0041-02TreatmentofOilfieldProducedWastewaterwithSBRLIZhe,LIUZhen-hua,ZHANGJun-zhen(TianjinUniversity,Tianjin300070)Abstract:SBRisusedtotreatoilfieldproducedwastewater.Theexperimentalresultsondifferentcyclesshowthatthedurationofonecycleisproposedtobe8hours,including1hourforfilling,5hoursforaeration,2hoursforset-tlinganddecant.TheeffluentCODcanbekeptlowerthan100mg/Lwiththeremovalefficiencies80%to90%af-ter5hoursaeration.Keywords:SBR;　oilfieldproducedwastewater;　reactingcycle,。,;。,:(1);(2);(3)。,、,,,。,。SBR[1]。SBR70,,SBR[2]。SBR,。1　,1。,,BOD/COD0.5,,、。1　(mg/L)(mg/L)CODcr40015BOD52502.6303374　　(400×250×650mm),60L。,。,25%、37.5%50%。、。CODcr、MLSS、SVI、DO,、BOD。2　。,,。,50%,COD500,,30L,。1,,2,,。3,30min25%,MLSS2g/L,9h,COD400mg/L70mg/L,,,、。,。3　3.1　4113120002URBANENVIRONMENT&URBANECOLOGYVol13,No.1Feb.　2000　:1999-10-20,12h、8h6hSBRCODcr。,、,。30L,CODcr2。200-450mg/L,CODcr70%,CODcr100mg/L,[3]。2　(h)(、、、)CODmg/LCOD(mg/L)(%)SVIMLSS(mg/L)121、9、1、143055.987972.181、5、1、123040.282.6101.22.361、3、1、135080.577139.42.3　　,12h8h,CODcr。6hCODcr。6hSVI150,,。,2h,,,。3.2　SBR。,SBR,,。8h,SVI1,SVI100,。1　SVI,SBR。,,。,,SBR,,。,,,[4]。SBR,,,,、,。,,。3.3　,SBR。250L/min,,。2　COD,DO,,,。DO2mg/L,,1h,60%。,DO,,。,,,,。,SBR。4　,SBR。,8h,COD82.6%,SVI100,,。[1]　.SBR.,1993;3(2):29-31[2]　..,1996;16(3):172-175[3]　GB8978-1988[4]　S.C.Chiesa.GrowthandControlofFilamentousMicrobesinActi-vatedSludge:AnIntegatedHypothesis.Wat.Res.,1985;19:471-479:　,19746。。42　　　131　2000