EGSB反应器处理石化废水的启动研究

　石油化工安全环保技术　PETROCHEMICALSAFETYANDENVIRONMENTALPROTECTIONTECHNOLOGY2010年第26卷第2期　　　　　　:2009-07-11。　　:毕万新,男,内蒙古大唐国际锡林郭勒盟煤化工项目筹备处,工程师。电话:[phone]E-mail:[e-mail]毕万新,张克利(内蒙古大唐国际锡林郭勒盟煤化工项目筹备处,内蒙古　027300)　:采用大庆石化废水作为处理对象,在中温(34±1℃)条件下,EGSB反应器历经80d启动成功,CODcr去除率达70%以上,甲烷产率系数稳定在0.21mLCH4/mgCODcr。试验后期采用提高回流比的方式提高液体上升流速。结果表明,针对低浓度的有机废水,高回流比的作用不明显,但大回流比产生的高液体上升流速对颗粒污泥的形成具有明显的促进作用。:石化废水;回流比;液体上升流速。(S、O、N),。。、。(ExpendedGranularSludgeBed,EGSB),、、。EGSB,、、,,[1-4]。,。1　1.1　设备基本参数,,34±1℃。EGSB:10.2L;6.2L;60mm;25∶1;1。1.2　试验仪器与分析方法1。1　EGSB1　8XpHPHS-3C101-ABSLMF-1BT00-300TCODWMX2。50　毕万新等.EGSB反应器处理石化废水的启动研究　2010年第26卷第2期2　CODcrSS、MLSS、MLVSSpH、ORP[5]SV301.3　接种污泥,:UASB,。:1.5L,UASB,2.5L,,,。2　2.1　污泥驯化期结果分析1.3m/h(LiquidUpflowVelocity,Vup),,2d,(MixedLiquorSuspendedSolids,MLSS)79.66g/L65.38g/L。。:,34±1℃;,3;Vup,0.27m/h;HRT,32h;pH,6.5～7.8;3gNaHCO3。:(CODcr,1g/LCODcr1000mg/L)4、3、2、1、0,CODcr,70%,。CODcr2,(OxidationReductionPotential,ORP)3。CODcr,7d73%,,,21～23d,,70%～72%,71%,。5d,,0.39～0.81L/d。3,,ORP,,。,,,,。(0.20mLCH4/mg-CODcr)(0.35mLCH4/mgCODcr),,,,(H2S)。2.2　提高负荷期结果分析2.2.1　提高负荷期CODcr的去除与甲烷产量Vup,,。:,34±1℃;,3;NaH-CO3,3g/L;pH6.5～7.8;:HRT32h,4h,70%,HRT。CODcr4,HRT551　石油化工安全环保技术　2010年第26卷第2期。CODcr,627～1040mg/L。HRT24～32h,CODcr207～356mg/L。HRT16～24h,,CODcr198～257mg/L,220mg/L,71%～74%,73%。HRT12h,,CODcr61%～67%,。,HRT16～24h,。:,,,,。,Vup,,,。,HRT,,0.46L/d(HRT32h)1.46L/d(HRT12h),0.21mLCH4/mgCODcr。2.2.2　提高负荷期出水pH值与挥发酸(VFA),(violatedfattyacids,VFA),pH,,,,。VFA、pH,6。6　VFApH6,VFA2～6mol/L,3.9mol/L,,HRT,VFA,VFA;NaHCO3pH,7.0～7.5,。2.3　污泥性能的优化EGSB,Vup,Vup,,,[6,7]。Vup,:HRT,16h;,34±1℃;pH,6.5～7.8。:Vup,6(Vup0.94m/h),3,5d。2.3.1　出水回流对反应器处理效果的影响CODcr、7、8。CODcr774～1034mg/L,615,CODcr241mg/L(6)227mg/L(15),72%(6)77%(15)。CODcr,0.82～1.11L/d,0.94L/d。,、52　毕万新等.EGSB反应器处理石化废水的启动研究　2010年第26卷第2期,,,,,CODcr。2.3.2　Vup对污泥性能的影响Vup,,0.1～0.5mm,;,,,0.1～2mm,,。,Vup,Vup,,,。,,,。2.4　启动过程中污泥的性能、、4,80d,,,0.1～2mm;,;,;,,10s。2.4.1　启动阶段污泥浓度的变化,,,9。9　MLSS、MLVSSMLSS/MLVSS,,MLSS79.66mg/L43.09mg/L,(MixedLiquorVolatileSuspendedSolids,MLVSS)40.97mg/L20.75mg/L。MLVSS/MLSS,51%46%,48%。,,,20%,MLVSS40.51mg/L29.51mg/L,70%,、。CODcr、HRT,,,,。,Vup,,,,;,,MLVSS/MLSS。,,,[8]。2.4.2　启动结束时床层不同高度处污泥的性能,3,,53　石油化工安全环保技术　2010年第26卷第2期。。3　%135MLVSS/MLSS4846532.4.3　启动结束时床层不同高度的污泥分布10。10　,,30cm、70cm、110cmMLSS50.84g/L、42.77g/L21.99g/L,。Vup,,Vup;,Vup,。3　　(1),+UASBEGSB,,4,80d,,0.1～2mm。HRT16～24h,CODcr198～257mg/L,71%～74%,0.21mLCH4/mgCODcr。(2)、,。,,;,,。(3)VupEGSB,,,Vup。、,,CODcr。:[1]　LettingaG.Anaerobicdigestionandwastewatertreatmentsystems[J].AntonievanLeeuwen-hoek,2003,67(18):3-28.[2]　SehezzoL,ZeemanG,JulesB,etal.TheanaerobictreatmentofsewageinUASBandEGSBreactors[J].Bio.Tech.,2005,65(2):175-190.[3]　LibingChu,FenglinYang,XingwenZhang.Anaerobictreatmentofdomesticwastewaterinamembrane-coupledexpendedgranularsludgebedreactorundermoderatetolowtem-perature[J].ProcessBiochemistry,2005,16(4):1063-1070.[4]　董春鹃,吕炳南,赵庆良.EGSB反应器处理啤酒废水运行影响因素研究[J].给水排水,2007,33(5):170-173.[5]　贺延龄.废水的厌氧生物处理[M].北京:中国轻工业出版社,1998:509-510.[6]　HulshoffL,LensP,StamsAJM.Anaerobictreatmentofsulphate-richwastewaters[J].Biodegradation,1998,9(13):213-224.[7]　NoyolaA,MorenoG.Granuleproductionfromrawwasteactivatedsludge[J].Wat.Sci.Tech.,1994,30(18):339-346.[8]　王雪米.高效低耗石化污水生物处理的技术关键[J].石油化工安全环保技术,2009,25(2):3-6.　,;,。　54ABSTRACTSPETROCHEMICALSAFETYANDENVIRONMENTALPROTECTIONTECHNOLOGYBimonthly.20Apr.2010Vol.26No.2Thetechnologiescovertanksealing,steambalanceofthetankgroup,lightoilloadingandunloadingtrucks,steambalanceofthesewagesystem,sewagecollectionandthesealingtechnologyoftreatmentfacilities.Oilandgasrecyclingtechnologiesandthecatalyticincin-erationtechnologyofreleasedgasfromtheconstruc-tionsofthesewageplantarealsodealtwithinthisar-ticle.Keywords:Petrochemicalindustries,Fugitiveemis-sions,Sealing,Oilandgasrecycling,Catalyticin-cinerationDISCUSSIONONTHEMECHANISMOFSUL-FURANDPHENOL′SREMOVALFROMSTRIP-PINGSEWAGEBYELECTRICDESALINATIONHuangJin.NanchongRefineryandChemicalCom-plexofPetroChinaSouthwestOilandGasfieldSubsi-dingCompany,P.C.637100Abstract:Thisarticleprobesintothemechanismofsulfurandphenol'sremovalbyelectricdesalinationthroughexperimentaldataandtheoreticalanalysis.Anditprovidestheoreticalfoundationforthewholeandeconomicaltreatmentofstrippingsewageandmakessuggestionsonsewagetreatment.Keywords:Mixture,Extraction,RedoxreactionAPRELIMINARYAPPROACHTOTHECOL-LECTIONANDREUSEMODEOFRAINWA-TERINPETROCHEMICALZONESTangAnzhong.SINOPECJiujiangCompany,Jiu-jiangCity,JiangxiProvince,P.C.332004Abstract:Thispaperprobesintothewaystocollectrainwaterandhowtoutilizethecollectedresources.Itbringsforwardanintegratedmanagementmodeforpetrochemicalzonestocollect,treatandutilizerain-waterafteracomprehensiveunderstandingofhowdo-mesticandforeigncitiescollectandutilizerainwater.Moreover,thispapercarriesoutanin-depthanalysisonhowtouserainwaterasindustrialwater,forgreenbeltsprinklingandasnon-drinkingwater.Inthisway,itprovidesaneffectivewayforthelong-termsustainableuseofwaterresources.Keywords:Rainwater,Collection,Utilization,WaysRESEARCHONTHEAPPLICATIONOFACTI-VATEDSLUDGEPROCESSTOTREATSCUMGENERATEDINTHECHEMICALP