高浓度有机废液COD处理获取产业化沼气技术开发进展程序

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1,。、,、,。,,,。,,,“”。[1]。,(UASB)(IC),、、、,(EGSB)。UASB,TLP-UASB、AF+UASB[2,3]。[4],、。、、。,,。2,。,,(、),。《》,2000~202010.8%,7.5%。,20202500×108m3,900×108m3,(LNG)。,8。,。,,。COD1,2,2,3,4,1(1.,100193;2.,530003;3.,530022;4.,100193)COD70×104t。UASB-TLP,、,,、,COD25kg/(m3·d)。,“”。,COD100mg/L。COD,,150×108m3。CODUASB-TLP:,,,1965,,、,,。E-mail:chengxu@cau.edu.cn200914·30·SINO-GLOBALENERGY,,。,,。,140080×108m3。“”,、、。,,。“”,、、、。,。3、,,。()。、,、,。、,(COD)70×104t。,COD300mg/L,COD80mg/L,。,。“”,,、,。,,,,COD。,。,()。[5]。,COD(20~30h),、;COD,,。。,70“”(UASB),,,COD””[6]。,UASB[7,8],,;UASB,ACP、UASB-SBR[9,10]。,。。(,),[2,11,12],4~5,“”,COD。。,,。,。。4COD———“”,。2004,,。2007,“”。,()、,“”。,UASB-TLP,“、”,/,“”,“”。“”,、·31·7.COD(),、。。,,。UASB,。:①(,COD7000mg/L),;②,[13~15];③,1m3/(m3·d),10~16m3/(m3·d)[7],[8,9],。5UASB-TLP5.1UASB-TLP2000,,,、,,。(800m3),COD25kg/(m3·d)。,UASB10,1/3。,24hCOD,,。,。,,10×104t(),18000×104m3,1.2×108kW·h。,COD100mg/L,。UASB-TLP:①。,。(16SrDNA),7,CFB。②。、,。③,、、,,。④,。5.2,800×104t,65×104t,150×104t。800×104m3,1300×104m3,1500×104m3(COD:5000mg/L,8000mg/L,25000mg/L,120000mg/L)。,。。,COD1600×104t,,2000×104t。CODCOD62.1%,,COD。,150×108m3。、、30.87×108t,COD7741×104t,5。,、COD1×108t。,700×108m31100×108m3(60%),,。“”(LNG)。,,。UASB-TLP、30×104t/,2500,UASB1/3。,;,,0.2~0.3/m3,1/4;,(),,。200914·32·SINO-GLOBALENERGYCommercialBiogasTechnologyAdvancesDerivingfromHigh-concentrationOrganicLiquidWasteCODTreatmentChengXu1,LiangJinguang2,FengSunzheng2,ZhengHengshou3,YangSusheng4,ZhuWanbin1(1.BiomassEngineeringCenter,ChinaAgriculturalUniversity,Beijing100193;2.GuangxiBijiaMicrobialEngineeringCompany,NanningGuangxi530003;3.GuangxiEnvironmentalProtectionStation,NanningGuangxi530022;4.BiologyCollege,ChinaAgriculturalUniversity,Beijing100193)[Abstract]TheGuangxiZhuangChineseAutonomousRegiondischargesindustrialwastewatercontainingasmuchas70×104tofCODannually.ThroughinnovationsbasedonJapan′sUASB-TLPtechnology,researchersintheregionhaveconductednumerousexperimentsonthescreeningandoptimizationofbacteriaandtheselectionandcontrolofoptimumculturingconditionsforgranularsludge,optimizedtheinternalstructureofanaerobictanksandremovedthetechnicalbottlenecksinmassivelyandrapidlyculturinganaerobicgranularsludge.Inapilotscaleexperiment,theCODloadreached25kg/(m3·d)andasignificantamountofbiogaswasproduced,creatingconditionsfordevelopingcommercialbiogastechnologies.Withaerobicfermentationattheback-endoftheanaerobicsection,theCODvalueofthewasteliquidalcoholcandropquicklytobelow100mg/L.AsfarasCODisconcerned,ifallorganicbiomasscontainedinindustrialanddomesticsewagefromdomesticcitiesisrecoveredandtreated,annualmethaneproductionfromthisprocesscouldhitatleast150×108m3.[Keywords]high-concentrationorganicliquidwaste;COD;anaerobicfermentation;UASB-TLP;commercial-scalebiomassproduction:[1],,.[M].:,2003.[2],.UASB[J].,1992,11(3):21-26.[3].IC[J].,2000,13(3):21-23.[4].[C]//.:,2008.[5].[J].,2004,5(5):43-47.[6].[J].,2005(9):34-37.[7].+[J].,2006(4):122-124.[8].[J].,1999,25(7):34-36.[9],,,.UASB-[J].,2007,33(1):55-56.[10],,,.UASB[J].,1997,3(4):380-384.[11],,,.UASB-SBR[J].,2008,37(6):11-12.[12],,.[J].,2003,16(4):20-21.[13],,,.UASB[J].,2008,10:147-148.[14]Yadvika,Santosh,SREEKRISHNANTR,etal.,Enhancementofbiogasproductionfromsolidsubstratesusingdifferenttech-niques[J].BioresourceTechnology,2004,95:1-10.[15]LIULili,WANGZhiping,YAOJie,etal.Investigationontheformationandkineticsofglucose-fedaerobicgranularsludge[J].EnzymeandMicrobialTechnology,2005,36:487-491.()·33·7.COD

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