UASB法处理城市生活垃圾焚烧场渗滤液邓黛青

[1]　.Carrousel.,2003,19:12.[2]　,.Carrousel.,2002,18:1.[3]　,.Carrousel.,2004,17:3.[4]　,..,2004,17:1.[5]　,..:,2004.　　341000　　2005-05-23UASB＊邓黛青1　夏凤毅2　李光明1　周仰原1　赵修华1(1.,200092;2.,325027)　垃圾焚烧场的渗滤液具有pH低、污染成分复杂、CODCr浓度高、可生化性好等特点。本研究探索了UASB法处理焚烧场渗滤液时的快速启动方法,考察了水力停留时间、容积负荷对CODCr去除率的影响及产气量与CODCr去除率的关系,结果表明,在水力停留时间6d、容积负荷5kg(m3·d)的情况下,CODCr去除率可达到93%,每升原水产气量可达22.5L,折合热值492.7kJ。　UASB　垃圾焚烧场　渗滤液0　。1,,CODCr,BOD5CODCr0.6～0.8,,[1-3]。UASB。1　,1。,MLSS64.68gL,VSSSS70.3%。1　mgL(pH)pHTSNH3-NBOD5BMPCODCrVFA3.92～5.81018500～26875380～65629635～3800035000～4500039400～591509230～11221HgZnCrCuCaFePbCl-0.013150.150.329771930.19890　　　　　　　　＊“863”(2003AA644030)　　UASB。150mm,1700mm,30L,150mm;230mm,150mm,6.23L。,(30±1)℃。,20～35℃。2　2.1　UASB的启动与运行,,[4];,、、。11　　　20064242DOI:10.13205/j.hjgc.2006.02.003[5],UASB2。,20L,10L,3L。,。1d,,CODCr。CODCr4000mgL,(3L),、CODCr65%pH6.5。2　UASB℃(mg·L-1)(mg·L-1)30～300001∶4～10000　　3。,CODCr61%,pH7.25,-300～-320mV,53dORP-347mV,60.1%,UASB。3　UASB(m3·m-2·d-1)CODCr(kg·m-3·d-1)(0)0.5　30.50.754.560.759　　UASBCODCr,UASBCODCr80%,CODCr3000mgL,85%～93%。2.2　产气强度与污泥稳定性关系UASB,[5][10]。CODCr,,。,,,6kg(m3·d),4.7～5.6m3(m2·d),,,;9kg(m3·d),8.03～9.4m3(m2·d),,,,SS。,,,。8m3(m2·d)[6],9kg(m3·d),11m3(m2·d),12kg(m3·d)。2.3　产气量与CODCr去除量的关系,[7],pH,CODCr。CODCr1。1CODCr。。5kg(m3·d),VFA840mgL(),22.5L,61%,35.9MJNm3,492.7kJ,11L。1　CODCr2.4　水力停留时间对CODCr去除率的影响(HRT)CODCr:HRT3.0～5.0d,CODCrHRT,;HRT5.5～8d,HRTCODCr;HRT15d,CODCr,93%～94%。SHARONCN4[8],UASBHRT。2.5　容积负荷对CODCr去除率的影响CODCr(VLR),VLRCODCr2。2,2,2.4～7.2kg(m3·d)12　　　2006424293%,6kg(m3·d)8.5kg(m3·d),74%,。,[5],7kg(m3·d),,,8.5kg(m3·d),,。2　VLRCODCr2.6　pH对CODCr去除率的影响UASBpHCODCr3:,pH,pH7～8,pH,,pHCODCr。,pH。pHCODCrCODCr[9]。3　pHCODCr3　(1)CODCr,。(2)5.5d,HRT,CODCr84%,HRT。(3),CODCr,8m3(m2·d),。11m3(m2·d)。(4)pH,pHCODCrCODCr,pH,pH。(5),UASB,,。[1]　,..:,2000.[2]　.().:,2002.[3]　R.E...:,2001.[4]　..:,1998.[5]　,..,1994,10(1):7-11.[6]　Lettings.G.etat.UseofTheUpflowSludgeBlanket(USB)ReactorConceptforBiologicalWastewaterTreatment,EspeciallyforAnaerobicTreatment.BiotechnologyandBioengineering.1980,22:784-792.[7]　K.J.Kennedy,E.M.Lentz.TreamentofLandfillLeachateUsingSequencingBatchandContinousFlowUpflowAnarobicSludgeBlanket(UASB)Reactors.Wat.Res.,2000,34(14):3640-3656.[8]　,,..:,2004.[9]　OsmanNuriA.gda,DeliaTeresaSponza.AnaerobicAerobicTreatmentofMunicipalLandfillLeachateinSequentialTwo-stageUp-flowAnaerobicSludgeBlanketReactor(UASB)CompletelyStirredTankReactor(CSTR)Systems.ProcessBiochemistry,2005,40:895-902.[10]　,,,,..:,2003.　　200092　　105　(021)65989215E-mail　[e-mail]2005-05-2713　　　20064242BIO-TREATMENTOFAMMONIA-CONTAININGWASTEWATERFROMCHEMICALFERTILIZERINDUSTRYWITHAMULTIPLEAIRLIFTLOOPREACTORMaoGuozhu　WenJianping　JiaXiaoqiangetal(7)……………………………………………………………………………………………………………………………Abstract　A80m3gas-liquid-solidthree-phaseflowmultipleairliftloopbioreactor(ALR)withalowratioofheighttodiameter(s)hasbeenputintopracticeinnitrifyingtheeffluentinonechemicalfertilizerplantinChina.Theinfluencesoftheair-to-waterflowratioandhydraulicresidencetimeonammonianitrogenreductionareinvestigatedanddiscussed.Theoptimumoperatingconditionssuchasair-to-waterflowratioof50andHRTof5hoursarefound.Inaddition,theaverageremovalratesofCODCrandNH+4-Narerespectivelyhigherthan75%and98%.ThetreatmentresultsoftheeffluentCODCr50mgLandNH+4-N10mgL,whicharesatisfactory.Keywords　ammonianitrogen,bio-treatment,multipleairliftloopreactorandlowratioofheighttodiameterANALYSISOFPHOSPHOROUSANDNITROGENREMOVALBYIMPROVEDDEOXIDATIONDITCHPROCESSTangMinkang　XuJianhong　ZengYan(9)…………………………………………………………Abstract　BasedonthegoodeffectofXindouWastewaterTreatmentPlantforselectingimprovedDEoxidationditchprocess,itisanalysedtheimprovedprocessandtheimprovedDEoxidationditchitself.Finallytheimprovedexperimentsforstrengtheningphosphorousandnitrogenremovalaresummarized.Keywords　DEoxidationditch,phosphorousandnitrogenremoval,processflowandwastewatertreatmentTREATMENTOFLEACHATEFROMMUNICIPALSOLIDWASTEININCINERATORWITHUASBDengDaiqing　XiaFengyi　LiGuangmingetal(11)……………………………………………………………………………Abstract　Leachatefromsolidwastestore-tankinmunicipalsolidwasteincineratorsfactoryhasthecharacterofhighorganiccontaminationandlowpH.Thestart-upperformanceofcommercial-scaleUASBreactorstotreatleachateatambienttemperaturewasinvestigated.TheexperimentwasalsodesignedtoinvestigatetheeffectsofCODCrdegradingefficientonHRTandVLD.TheresultsindicatethatataHRTof6dandtheVLDof5kg(m3·d),theCODCrdegradingefficiencyisabove85%,andthegasproducedfromtheorganiccontaminationofeachrawleachateis22.5L.Keywords　UASB,municipalsolidwaste,incineratorandleachateEXPERIMENTALSTUDYONRESIDENTIALSEWAGETREATMENTBYMEMBRANE-SEQUENCINGBIOREACTORGaoYulan　FengXudong　WangPing(14)…………………………………………Abstract　Membrane-sequencingbioreactorwasusedtotreatresidentialsewage.Thestabilityofsystemwasinvestigatedwithoutsludgedischarge.TheresultshowsthattheaverageremovalefficiencyofCODCr,ammonianitrogenandturbidityhasreached89.8%,99.3%and99.6%respectivelyundertheconditionsofair-waterratio35∶1,operationperiod5.75h.ThemembranehasacontributiontotheremovalefficiencyofCODCr,ammoniani