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:,,1973,,,,3973(No.G1999570609);#,E2mail:huangxu67@sohu.comABR223#(,130026),ABR22,:10kgCOD/(m3d),COD10001500mg/L,80%85%;Fenton,COD100mg/L,,ABR,,[1],++,,UASB+SBR+[2],,ABR22,11.1ABR2,(ABR),,,11.;2.;3.;4.;5.;6.;7.();8.;9.;10.,,11.41L,,6.71L1;1.2,5000mg/L,,3d,COD500015000mg/L,,:COD5000mg/L,(Nv)0.53.5kgCOD/(m3d),6;COD12000mg/L,(Nv)4.010kgCOD/(m3d),91.3ABR(Nv)(COD)4:2.492.63kgCOD/(m3d)4.645.19kgCOD/(m3d)5.756.08kgCOD/(m3d)9.2910.25kgCOD/(m3d)1.4,ABR-Fenton[3],35ABR22©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.[4],:()31,pH3,3h,,,0.04mol/L22.123,,2COD3COD,,,COD10%,COD2000mg/L,,COD,COD1500mg/L,COD20%,COD1200mg/L,,[5],0.10.3mm,,58min/,,,COD12000mg/L,(Nv)4.010.0kgCOD/(m3d),0.54L/h9,COD8042.6mg/L,28.1%,41.4%,16%;COD3437.4mg/L,2552.5mg/L;72.6%2.2(Nv)-(COD)1,COD44COD,2.492.62kgCOD/(m3d),71h,45h,26hCOD74137832mg/L,COD34063567mg/L,COD11291203mg/L;COD83.9%85.6%,COD37.9%42.9%,COD29.0%32.9%,10%,,,,4.65.2kgCOD/(m3d),48.5h,30.7h,17.8hCOD936510487.5mg/L,COD31593638mg/L,COD12851486mg/L,,COD85.3%86.8%,COD38.8%42.2%,COD16.0%19.5%,COD15.4%20.1%,,,COD65.3%68.0%,,,ABR,5.756.08kgCOD/(m3d),33.4h,4527120052©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1COD/(Lh-1)/(kgCODm-3d-1)/d/(mgL-1)/(mgL-1)/(mgL-1)/(mgL-1)/(mgL-1)/(mgL-1)10.2522.6378324612412334061311113120.2522.491474134606398135671073112930.2522.5174864274381334911066120340.3725.19104886063438536381533148650.3724.881498635931400631591637137560.3724.6493665728418032091543128670.545.7580036920590553683045165980.546.081484617096630452002668166790.545.84812861485262503520671167100.709.951068678656569619053633060110.7010.55141132579946244588244282207120.709.2999747665598351273980218521.15h,12.25hCOD80008360mg/L,COD51995835mg/L,COD11671667mg/L,,,13.5%24.4%,32.9%38.5%;ABR,,;COD10%,,COD81.7%,9.210.6kgCOD/(m3d),25.7h,16.3h,9.4h,,COD9974.011325mg/L,COD51276190mg/L,COD21853060mg/L,COD71.4%81.5%,COD42.1%48.6%COD,6kgCOD/(m3d)10kgCOD/(m3d),ABR,ABR;,,,,,;COD,,COD,3060mg/L2185mg/L,2.3ABR2,22,ABR22,,3h,91mg/L,99.0%,2FentonCOD/(mgL-1)pH90856.8015213.001.5h2892.923.0h912.483(1)ABR22(Fenton),,,99.0%,(2),,70%;,80%,,,,(3)ABR2(69)55ABR22©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(3,58.24%);8g/L,Zeta,Zeta,,,,2pH2,,pH,pH910,,pH33,,,,3,,,,,;,,,,,,,,[4],,,4,,3d28d,3d38MPa,32.5MPa,,,,5(1)PDMDAAC:PDMDAAC40g/L,PDMDAACpH,301h(2),,,pH(3)(4),1,,,..,2000,1(2):82862,.,,2002,21(2):37383..,2001,1:9104,,..,1992,8(5):48:(:2004209220)(55)1,,..,2002,10(4):1591642,,..,2003,29(10):26293,HuangCP.Fenton.,2002,18(3):14174,HuangCP.Fenton.,2002,15(2):48515..:,1998.145158:(:2004207216)96©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.ResearchontreatmentaboutlandfillleachatebyABR2biologicalcontactoxidationandwettingcatalyticoxidizeWangXianshengHuangJiguoZouDongleiTangJieHuangJing(CollegeofEnvironmentandResource,JilinUniversi2ty,ChangchunJilin130026)ABR2contactoxidation2wetcatalysisoxidationisutilizedtotreatlandfillleachate.ThetwostepsperformedtooperatethereactorandcultivatethesludgeandthechangedvolumeloadingexperimentshowsthattheinfluentCODis10kg/(m3d),effluentCODis10001500mg/L,theremovalratemayremainduring80%85%;theeffluentCODisun2der100mg/LaftertheeffluentinoxidationpondistreatedbyFentonoxidation.Theresultindicatesthatthetreatmenteffectiswellforlandfillleachatebythetechnology.Keywords:LandfillleachateABRContactoxidationWetcatalysisoxidationTherecoveryandregenerationofCo/BicatalystonthedecompositionoflandfillleachatebycatalyticwetairoxidationLiYu1WangJiang1LiHaisheng2LiuLiang1WangYue1WangXiaoli1ZhangRong1LiuHongliang2.(1.CollegeofEnvironmentandResources,JilinUni2versity,Changchun,Jilin130023;2.CollegeofChemicalandChemicalEngineering,BeijingUniversityofChemicalTechnology,Beijing100029)TheCo/BicatalystwaspreparedtodealwithlandfillleachatesbymeltingCo(NO3)26H2OandBi(NO3)35H2OwithHNO3(AR).OnceusedCo/Bicatalystwasre2coveredandregenerated,andtherecoveryratiowas(97.090.74)%afterthereactionprocess(thetemperatureof260,thecatalystdosageof2g,andoxygenpartialpressureof0.5MPa).XRDandBETmethodswereemployedtocharac2terizethefresh,onceused,onceregenerated,andsecondaryrecoveredcatalysts.BETandXRDinformationindicatedthat,forcatalyticactivity,freshcatalystonceregeneratedcatalystsecondaryrecoveredcatalystoncereclaimedcata2lyst.Thecatalyticactivityofthecatalystsusedisthatfreshcatalystonceregeneratedcatalystonceusedcatalystatthetemperaturesof280and300withalittledifferenceoffreshcatalystonceregeneratedcatalystonceusedcatalystatthetemperaturesof220,240,and260,revealingthatattherelativelowtemperature,theactivityofonceregenera2tedandonceusedcatalystswasdeactivated.Keywords:CWAOCo/BiCatalystRecoveryRegenerationCatalystactivityDegradationof22chloronbenzoicacidfromindustrialwastewaterbynaturallyimmobilizedmicrobesChengYonggangZhangLinaWangShiming(DepartmentofBioengineering,CollegeofChemicalEngineering,NanjingUniversityofScience&Technolo2gy,NanjingJiangsu210094)Thereactorstart2upwithnaturallyimmobilizedmicrobesisrapid,anditneededonlyoneweektoreachtheCODre2movalrateat86%,whereastheordi