EGSBUASB严永红1,2,任洪强2,祁佩时1(1.,, 150090;2.,, 210093) :EGSBUASB(35℃):EGSB,、、COD,(pH);,。:EGSB;UASB;:X703.1;S216.4 :A :1000-1166(2005)03-0003-04AStudyonthePerformanceComparisonbetweenEGSBandUASBReactorsTreatingOrganicWastewater/YANYong-hong1,2,RENHong-qiang2,QIPei-shi1/(1.SchoolofMunic.andEnviron.Eng,HarbinInstituteofTech.,Harbin150090,China;2.StateKeyLaboratoryofPollutionControlandResourceReuse,NanjingUniversity,Nanjing210093,China)Abstract:Themesophilicexperimentalresultsindicatedthat,comparedwithUASBreactors,EGSBreactorshadmanyoutstandingad-vantages,suchasshorterstartupperiod,morestabilitywiththechangesofenvironmentalconditions,higherCODremovalratesandorganicloadingrates;especiallywhentreatinglowerstrengthwastewater,thedifferencesofoperatingcharacteristicsbetweenEGSBandUASBwillbemoreobvious.Keywords:ExpandedGranularSludgeBed(EGSB);UpflowAnaerobicsludgeBed(UASB);Comparison;operatingcharacteristics:2004-11-10 :2005-02-17:(50278041);:(1969-),,,,,:13770683335,E-mail:yanyh@vip.sina.com EGSBUASB,,[1-4]。EGSBUASB、、(ECP)、[5-7]。EGSBUASB,pH。1 1.1 试验装置EGSBUASB,2.5L,35℃,WMZK-01,35℃±1℃。1。1.2 试验用水,,COD∶N∶P200∶5∶1,。pH6.8~7.2。1.3 接种污泥3ChinaBiogas2005,23(3)UASB。,COD500mg·L-1。56.7gSS·L-1,VSS/SS0.62。1.4 分析方法CODCr:[8];pH:[8];SSVSS:[8]。2 2.1 启动过程。,2.6gCOD·L-1d-1,COD5000~6000mg·L-1,EGSB,UASB2.6~3.0m·h-10.25~0.5m·h-1,20,2。 2,,EGSBUASB,,COD。20,EGSB15.9gCOD·L-1d-1,COD88.9%,UASB8.1gCOD·L-1d-1,COD83.9%,COD,EGSBUASB。EGSB,,UASB。EGSB,,,。2.2 负荷稳定运行及提高期EGSBUASB。:1.21~26,COD8300~9000mg·L-1,EGSBUASB3.410.65m·h-1();2.27~43,COD12300~17500mg·L-1,EGSBUASB4.050.64m·h-1();3.44~59,COD21000~25000mg·L-1,EGSBUASB5.28m·h-10.64m·h-1();4.60~90,COD23000~25000mg·L-1,EGSBUASB6.12m·h-11.12m·h-1(),3。 3,COD8000~15000mg·L-14ChinaBiogas2005,23(3),COD85%。EGSB19gCOD·L-1d-135gCOD·L-1d-1,UASB10gCOD·L-1d-125gCOD·L-1d-1,EGSBUASB,EGSB,,。EGSBUASB,EGSB44,42.4gCOD·L-1d-1,COD21098mg·L-1,COD86.5%;UASB42,25.0gCOD·L-1d-1,COD14957mg·L-1,COD86.8%,EGSB2725.2gCOD·L-1d-1,EGSBUASB。,EGSBUASBCOD,,90,EGSBUASB23790mg·L-123845mg·L-1,84.9gCOD·L-1d-151.4gCOD·L-1d-1,COD67.1%51.4%。EGSB,。EGSBUASB:(1);(2)COD,,、UASB。2.3 UASB和EGSB反应器处理低浓度废水性能的比较EGSBUASB,。,COD1200~1500mg·L-1,18,,COD500~800mg·L-1,24。4。 4,,EGSB17.8gCOD·L-1d-1,COD91.2%,UASB9.6gCOD·L-1d-1,COD71.6%。,EGSB28.7gCOD·L-1d-1,COD81.9%,UASB17.6gCOD·L-1d-1,COD66.7%,COD15.2%,D.JeisonR.Chamy[9]。,EGSB,,EGSB。2.4 EGSB和UASB反应器耐pH、温度冲击性试验比较pH。pH,pH,。UASBEGSB(14.0~14.5gCOD·L-1d-1)COD(86.1~92.0%)。,35℃25℃;7pH,8.76.2。CODpH。5、6。 5,35℃25℃4,COD,EGSBCOD92.0%64.3%,30.1%;UASBCOD86.1%58.6%,46.9%。(35℃),EGSB7COD87.3%,94.9%;UASB5ChinaBiogas2005,23(3)9,COD79.5%,92.3%。,EGSBUASB,EGSB,,。 6,pH8.46.1,EGSB7,UASB10。,EGSB,pH,,pH。,EGSB、UASB,EGSB,;,。3 (1)UASB,EGSB、。COD86%,EGSB42.4gCOD·L-1d-1,UASB25.0gCOD·L-1d-1,EGSBUASB。(2)(500~1500mgCOD·L-1),EGSB28.7gCOD·L-1d-1,CODCr81.9%,UASBCOD,。(3)EGSBUASBpH,。:[1] VanLierJB,etal.Newperspectiveinanaerobicdigestion[J].Wat.Sci&Tech,2001,43(1):1~18.[2] GeorgeRZoutber,Peterdebeen.TheBiobedEGSBsystemcoversshortcomingsoftheUpflowAnaerobicSludgeBlanketReactorinthechemicalindustry[J].WatSciTech,1997,35:183~188.[3] LettingaG,FieldJ,VanlierJ,etal.Advancedanaerobicwastewatertreatmentinthefuture[J].WatSciTech,1997,35:5~12.[4] LettingaG,SalihRebac,SofiaParshina,etal.High-rateanaer-obictreatmentofwastewateratlowtemperatures[J].Appliedandenvironmentalmicrobiology,1999,65(4):1696~1702.[5] ,.EGSB[J].,2001,14(3):33~37.[6] ,.EGSB[J].,2002,20(4):3~7.[7] ,.UASBEGSB[J].2000,6(5):473~476[8] .[M]..:,1989.[9] D.JeisonandR.Chamy.ComparisonoftheBehaviourofEx-pandedGranularSludgeBed(EGSB)andUpflowAnaerobicSludgeBlanket(UASB)ReactorsinDiluteandConcentratedWastewaterTreatment.Wat.Sci.Tech.[J].1999,40(8):91~97.6ChinaBiogas2005,23(3)