MIC厌氧反应器在500m3d柠檬酸废水处理工程中的应用冯俊强

33420084ENVIRONMENTALSCIENCEANDMANAGEMENTVol.33No.4Apr.2008:2007-11-09:《(MIC)》(:JH01-084):(1983-),,,,。:1673-1212(2008)04-0079-05MIC500m3/d冯俊强,刘锋,吴建华,蒋京东,马三剑(,215011)　:MIC反应器是在UASB反应器的基础上发展起来的第三代厌氧反应器,它具有效率高、能耗低、投资少、占地省等优点。作者所在单位自行研制、安装、调试的生产规模500m3MIC反应器用于处理高浓度柠檬酸生产废水,采用城市污水处理厂的絮状污泥进行启动,经过两个多月的调试和实际运行,在水力停留时间20小时,容积负荷8kgCOD/(m3·d)时,COD去除率仍始终在92%左右,并转入稳定运行。:MIC厌氧反应器;柠檬酸废水;颗粒污泥:X703.3:BTheApplicationof500m3ReactorofMICinCitricAcidWastewaterTreatmentFengJunqiang,LiuFeng,WuJianhua,JiangJingdong,MaSanjian(TheSuzhouUniversityofScienceandTechnologyEnvironmentalProtectionApplicationTechniqueInstitute,Suzhou215011,China)Abstract:MICreactoristhoughtasthethirdgenerationanaerobicreactor,whichdevelopedonthebasisoftheUASBreac-tor,withtheadvantageofhighefficient,lowenergyconsumption,lowinvestmentandsoon.This500m3MICwhichdesigned,constructed,startedbythewritersdepartmentwasusedinthecitricacidwastewatertreatmentplant.Throughoutnearlytwomonthstimeofstudyingoftherealstart-upandoperation,theCODdepletionratewasreachabout92%inthevaculmecapacityof10kgCOD/(m3·d).Keywords:MICanaerobicreactor;citricacidwastewater;granularsludgeMIC,,、。,3～6,,。200112“”,IC,IC,1000m3MIC()[1],,2002。、、500m3MIC,2,MIC,。《(MIC)》。MIC.MIC。1　MIC、1.1　MIC,6,18,500m3。,,1,,MIC,,:(1)、·79·33420084·MIC500m3/dVol.33No.4Apr.2008。(2)。(3)。(4)pH;3,85m317%;,3m11m;,,,,,,COD。:(1),。(2),,。,,,:(1)。,;,,。(2)。,,。(3)。,。(4)。,,11m15m,85m317%;,15m18m,85m317%,。。,:(1)、、,。(2)。(3)。,,,,。MICIC,,,。、、、。MIC1。,,,。。1.2　MIC,,5000/,1　MIC500m3,COD10000～13000mg·L-1,。1:1　CODcr(mg/L)BOD(mg/L)pH(℃)≤13000≤98003～535～371.3　MIC35℃,45℃,55℃～65℃。,,。、、[2]。。1.4　:(MIC)()(),。2。2　MIC2.1　MICMIC、。。MIC“”,2,MIC1/3。·80·33420084·MIC500m3/dVol.33No.4Apr.20082　2　VSS/SS80%0.40～0.45、,　　,。35±1℃,,,。2.2　MICMICCOD0.5kgCODcr/m3·d,COD80%。,0.5kgCODcr/m3·d。。,,。COD5kgCODcr/m3·d,0.2～0.4mm,,5。MIC3,MIC4。3　MICCOD·81·33420084·MIC500m3/dVol.33No.4Apr.20084　MIC　　,MIC13,,,。,,,,3,13,MIC,,,COD100～300mg/L,COD90%,0.33kgCODcr/m3·d5.68kgCODcr/m3·d。2.3　MICMIC,,,。,MIC35～37℃,2COD、4VFA、pH。5、6。5　MICCOD6　MICCOD·82·33420084·MIC500m3/dVol.33No.4Apr.2008　　5、6,,20m3/h,10.4kgCOD/(m3·d),20,CODcr90%,COD500mg/L,pH7,VFA3～5mmoL,。3　(1)MIC,MICCOD8kgCODcr/m3·d,COD90%。(2),MIC,,,pH,,pH,pH7.0。(3)MIC,,。(4)MIC,、UASB,、。:[1]马三剑,吴建华,刘锋,等.多级内循环(MIC)厌氧反应器的开发应用[J].中国沼气,2002,20(4):24-27.[2]胡纪萃,周孟津,左剑锷,等.废水厌氧生物处理理论与技术[M].北京:中国建筑工业出版社,2003:121-127.(上接第78页)　　,;2m/h,;,,;,,0.8～2.5mm,、。,。3　(1),EGSB,0.8～3m/h,COD2500～7500mg/L,COD80%,。(2)0.4kg-COD/(kgSS·D),,,251.18kg2.15kg。(3),EGSB。:[1]G.Lettinga,J.Field.AdvancedAnaerobicWastewaterTreatmentinTheNearFuture[J].WatSciTech.1997(35):5-12.[2]石宪奎,倪文,王凯军.EGSB处理玉米淀粉生产废水中试研究[J].环境工程,2005,23(1):17-19.[3]MarioT.Kato,JimA.Field.TheanaerobictreatmentoflowstrengthwastewatersinUASBandEGSBreactors[J].Wat.Sci.Tech.1997(36):375-382.[4]VanDerLastA.R.M.,LettingaG..Anaerobictreat-mentofdomesticsewageundermoderateClimatic(Dutch)condi-tionsusingupflowreactorsatincreasedsuperficialvelocities[J].WatSciTech.,1992,25(7):167-178.[5]RebacS,etal..High-rateanaerobictreatmentofmaltingwastewaterinapilot-scaleEGSBsystemunderpsy-chrophilicconditions[J].ChemTechBiotechnol.,1997,68:135-146.[6]左剑恶,王妍春,陈浩.膨胀颗粒污泥床(EGSB)反应器的研究进展[J].中国沼气,2000,18(4):3-8.[7]国家环境保护局.水和废水检测分析方法(第四版)[M].北京:中国环境科学出版社,2002.[8]左剑恶,王妍春,陈浩,等.膨胀颗粒污泥床(EGSB)反应器处理高浓度自配水的试验研究[J].中国沼气,2001,19(2):8-11.[9]李克勋,徐智华,张振家.水力作用对颗粒污泥形成的影响[J].中国沼气,2003,21(1):12-14.[10]ZoutbergGR,FrankinR.Anaerobictreatmentofchemicalandbrewerywastewaterwithanewtypeofanaerobicreactor:theBiobedEGSBreactor[J].WatSciTech.1996,34(5/6):375-381.[11]NunezLA.Anaerobiatreatmentofslaughteehousewastewaterinanexpandedgranularsludgebed(EGSB)reactor[J].WatSciTech,1999,40(8):99-106.·83·