常规UASB反应器与内循环UASB反应器在处理垃圾渗滤液中的应用比较

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,100083):,UASBUASB,,,UASB,,:;UASB;;:X70311:A:167121556(2007)04200622053ComparisonofUsesofConventionalUASBReactorandInnerRecyclingUASBReactorfortheLandfillLeachateTreatmentYANGJing,XIEZheng2hua(SchoolofCivilEngineeringandEnvironmentalEngineering,BeijingUniversityofScienceandTechnology,Beijing100083,China)Abstract:Withoutpre2treatmenttheundilutedordilutedlandfillleachatewasdisposeddirectlybytheconventionalUASBreactorandtheinnerrecyclingUASBreactor.Throughcomparisonofexperimentsandanalyzingtheexper2imentalresultsoftheabovetreatingcrafts,themeritsandthedemeritswerediscussedfromthewholetreatingeffi2ciency,thegranulationofsludgeandtheresistancetoloadchanging.Itwasconcludedthat,bytheinnerrecyclingUASBreactor,thesubstratehadthoroughoxygenolysis,theprocessingcapacityandoperatingefficiencywerebet2ter,andtheoutletwaterwasdisposedmoreproperlybyaerobictreatment.Keywords:landfillleachate;UASB;innercirculating;granulesludge0Lettinga19741988UASB,,,UASBpH,,[1]UASB,,UASB,UASB[24]UASB,UASB,UASBCOD,,,,,144200712SafetyandEnvironmentalEngineeringVol.14No.4Dec.20073:2007205215:(1976),,,E2mail:[e-mail]©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5]1.212,UASB1.8m,160mm,21L,;,,;5L;XSC62ASRT2CT371;,300mm31,UASB,,1.31[6]1UASBFig.1Testingunitandprocessflowdiagram2UASBFig.2TestingunitandprocessflowdiagramoftheinnerrecyclingUASBreactor1Table1Monitoringitemsandanalyticalmethodsofcontrasttests1BOD52CODCr3NH32N4pH56SS722.12UASBUASBUASB,CODCrNH32NSS310,(SS),CODCrSS10%30%,;BOD5/CODCr,;,NH32N,pH,,UASB,UASBCODCrSSNH32N,,,,,,364:UASBUASB©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7],,[8];,,,,,,,,2UASBUASBTable2SummarysheetofexperimentalresultsoftheconventionalUASBreactorandtheinnerrecyclingUASBUASB/%/%CODCr130065008505000308742001600082079003095BOD523423008513209093.77906000786909297.5NH32N5599060930-79018407001780-TP20.2312.50-20.238.47-SS160394085179030.45952459100100119072.297.32BOD5/CODCr0.250.410.130.25-0.250.410.070.18-(CaCO3)28701092038009850-499011960406011280-pH7.59.58.09.5-7.59.58.29.5-:pH,mg/LUASBCaMg,,371,MgNH4PO46H2O[9]CaCO3,,;,,,,,UASB,,,,,,,,;,,,,UASB,,,,SS,,,,,,,,CaCl2MgCl2MgKSNiFeZnCo,,,,,,UASB,35d;,UASBUASB12mm,,2.3CODCr[10],UASB,0.75m3/(m2d),9kg/(m3d),CODCr80%,85%93%,4614©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(m2d),7%23%,9.0kg/(m3d)33UASBFig.3ResultcomparisonofUASBreactorstreatinglandfillleachateontheconditionofdifferenthydraulicloadings36,,CODCr,,,CODCr,,CODCr,UASB,UASBCODCr,(47d)CODCr(8%),25d70%CODCr,1.1m3/(m2d)25d,23d60%UASB,UASBUASBUASB9.0kg/m3d,1.1m3/(m2d)8.59%12.12%;,17%,,,,;,UASB2.4CODCrCODCr,1.19m3/(m2d)CODCr,UASBUASB3.8017.03kg/(m3d)4.1321.51kg/(m3d),20%30%11%35%,5%10%,454UASBCODFig.4RelationbetweenorganicloadingandremovalofCODCrwhentheconventionalUASBreactoristreatinglandfillleachate5UASBCODFig.5ConnectionbetweenorganicloadingandremovalofCODCrwhentheinnerrecyclingUASBreactoristreatinglandfillleachate,45,7.4kg/(m3d)9.64kg/(m3d),,564:UASBUASB©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[11],,CODCr,CODCr,45,,CODUASB,UASB14d70%,13d(10%),9.17kg/(m3d),25dUASB,UASB,,,;,3(1),UASBCODNH32NSS,,,(2)UASB,,;,(3),,(4)UASB,;,UASB(5),,CODCr;,CODCr,CODCr:[1].[M].:,2005.98-99.[2],,.UASB[J].,2000,26(4):31-33.[3],.UASB[J].,2006,28(1):85-88.[4],,.[J].,2003,24(1):92-96.[5],,,.[J].(),2006,22(3):466-469.[6].(4)[M].:,2002..[7],,,.UASB[J].,2005,22(1):38-40.[8],,.[J].,1999,25(5):21-24.[9],.[J].,1999,20(5):90-92.[10],,,.UASB[J].,2006,24(2):11-13.[11],,.[J].,2002,20(2):12-33.:(1968),,,E2mail:[e-mail]6614