采用两段SBR工艺处理石化废水

2007276ENVIRONMEN,1,ALPROTECTIONOFCHEM】CALINDUSTRYSBR,,,,,,,,,,`(1.,O660(;2.,266071)〔〕(SB)R,DO、MLSS、。,SBR,,。COD4ooomL、SBRIDO4smL、MLSS5000mL,sBRZDo24mL、MLSS3000mg/L、20℃,COD90%。「」;;;[]X703.l]A「]lX()61878(20()7)06053904TreatmentofPetrochemicalWastewaterbyTwosatgeSBRProeesshZangLianaki,,hZangenhzi’,Desuang,,i’,angi,,suni’(1.EnviornmentalManagementCollegeofChina,QinhuangdaoHebei066004,China;2.DePmentofChemistryandChemiealEngineeirngandEnviornment,QingdaoUniversity,QingdaoShandong266071,ChinaAbstract:ThehigheoneentrationPetroeheealwastewaterwastreatedinhtetwosatgeSBR.TheeffectsofDO,MLSSanderaetionetmPerautreonhtetreatmentweersutdied.TheexPeirmentalersultsindieaethtathtebiodegradationmeehanismsinhtewtostagesofhteSBRsysetmaerdiffeernt.Intheifrstsatge,htemianmeehanism15theermovalofeasybiodegradableograinesubsatnees,andintheseeondstage,it15hteermovalofbioerfareotyrorgianesubstanees.UndertheeonditionsofinfluentCOD400OmL,DO45mg/LandMLSS5OO0mLforSBRI,D024mg/LandMLSS3000mg/LforSBZR,eraeitonetmperatuer20℃,hteermovalrateofCoD15over90%.Keywords:sequeneingbaetheractor;biodegradation;wasetwateretratment;Peotreheealindustyr、,,,(UASB)、、(SBR)。SBR、、,。BemctSBR,,(TOC)81%91%,(TKN)85%91%;SBR,。uF〔’]SBR,,,(RTB),SBRSBR,SBRSBR。,sBR,,SBR,SBR。「〕2X()70409;[]20070725。[](1981),,,,,。:0335-5945928;:[e-mail]。ENNIROVMENTALRPOTECTIONOFCHEMICNLIADUSTRY20077211.1。COD3000mg/L,BOD,1000mg/L,pH79,、。1.2SBR20em,50em,12L。,,。SBR,SBR(SBRISBZR)。SBRISBZR,1。,COD,150n85%;,;,COD90%,COD200mg/L,SBRI,。\/￡SSSBRZZZ1SBR2.2SBZRSBRISBZR,COD1.3。、,。,20-30℃。,,SBRCOD,DO、MLSs。1.4COD[’〕;BOD。;MLSS;pHPHS2;、DOWTWoix3401。425,296,185mg/L,SBRI3。22.1SBRICOD4000,2000,1000mg/L、SBRIMLSS5000mg/L,240min,n,2。2:3COD,COD;COD,,COD。COD4000mg/L,180n,7.2kg/(kg·d),3,,CODJ,100n,COD100mg/L。,3COD80mL,SBR,。【4],。6.SBRI__J,,。,“”,—,。、。,,,。SBR,,,“”,,。2.3SBR2.3.1DO:SBIRDO24,45,5-7mg/L,)tJMLSSSO00mg/L,COD1.okg(/kg·d);SBRZDOl2,24,47mg/L,MLSS3000mg/L,SBRI,COD0.15kg/(kg·d)。DOSBR45。45,DOCOD。DO,COD,SBRIDO45,57mg/L,,,COD90%。,DO。,DO、,,,,{’]。,,Do。2.3.2MLSSCOD4000mg/L,SBRI3000,5000,7000mg/L,no45mg/L:SBRZMLSS2000,3000,4000mg/L,DO24mg/L,MLSSSBRCOD,67。67,CODMLSS,MLSS,COD6,MLSS5000mg/L7000mg/L,COD0.8NEVIRONMNAEPTLROTECTOINOFCHEMICANDLIUSYTR200727kg/(kg·d)0.6k/g(kg·d),LJ。cMikneny[6}:Mcikmrey,;,MLss,,;DO,hn55DO,,,。MLSS、。,SBIRMLSS5(Xmg/L,COD0.sk(kg·d),SBZRMLSS3mg/L,COD0.k(kg·d),,95%。2.3.3COD4000mg/L、SBRICOD0.8kg/(kg·d)、DO45nlg/L,SBZRCOD0.15kg/(kg·d)、DO24mg/L,SBRcoD,89。89:COD。sBRI,or℃,,,,,240min,COD,650mg/L,「COD/MLSS」3.0kg/(kg·d)。,,20℃,「COD/MLSS」7.1kg/(kg·d),COD90%;20℃,,,「COD/MLSS」7.2kg/(kg·d)。SBZR。,89,20,30℃coD。20℃。3SBR“”,,。,SBR,SBRI,SBZR。COD4000mg/L、SBRIDO45mg/L、MLSS500OmL,SBZRDO24mg/L、MLSS3000mg/L、20℃,COD90%。BernetN,DeigenesN,AkunnaJC,etal.Combinedan-aeorbieaerobieSBRforthetreatmentofPiggeyrwastewaetr.WaetrRes,20(X),34(2):611629FuLiyan,WenXianghua,LuQiuli,etal.TeratmentofdyeingwasetwraterintwoSBRsystems.PoreessBioehem,2001,(36):11111118..4.:,2002.211213,,.SBR.,1996,22(6):2629..:,1988.6075BaieyJE,QuisDF.BioehemiealEngineeirngFundamen-tals·Auckland:MeGrawHillBookComPany,1986.299()