生物活性炭降解2,42二氯酚的特性

2,421,2,2,2,2(11,100083,E2mail:[e-mail];21,100875):,2,42(2,42DCP),2,42DCP.:2,42DCP,,,.,,2,42DCP.:;;;2,42DCP;:X70311:A:025023301(2004)0620080205:2003212213;:2004202212:(2002DFBA0009):(1964),,,.,.CharacteristicoftheRemovalof2,42DichlorophenolbyBiologicalActivatedCarbonLIUHong1,LIAn2jie2,QUANXiang2chun2,KONGXiang2hui2,YUNYing2(11DepartmentofEnvironmentalEngineering,BeijingUniversityofAcronauticsandAstronautics,Beijing100083,China;21SchoolofEnvironment,BeijingNormalUniversity,Beijing100875,China)Abstract:Theadsorptioncharacteristicsandkineticsof2,42Dichlorophenol(2,42DCP)bybiologicalactivatedcarbon(BAC)wasstudiedthroughcontrastexperimentswithconventionalactivatedsludgealoneorquartzasthecarrier.Theadvantageanddisadvan2tageofremoving2,42DCPusingBACandthemechanismofthisprocesswereinvestigated.Theresultsshowthatthemethodofre2moving2,42DCPbyBACisapplicableinpractices,andtheprocessofBACdemonstrateshighremovalratethantheprocessofsus2pendedactivatedsludgeandbiofilmwithquartzasthecarrier.Inaddition,theBACprocessshowedhighresistancetoshockloadings,therefore,itissuitabletobeutilizedathighorganicloadingandunderlong2termoperation.InBAC2system,activatedcarboncouldnotonlyadsorb2,42DCPbutalsooxidized2,42DCP.Keywords:microorganism;activatedcarbon;biologicalactivatedcarbon;2,42DCP;adsorption[1].,[2]..,.;,.Alexander[3],(BiologicalActivatedCarbon,BAC).,..,[4].,.,2[5].N.Klimenko[6](-G0a).,,,,.Se2HanLee[7],.,.,BAC2,42(2,42Dichlorophenol,2,42DCP),;,BAC2,42DCP.1111256200411ENVIRONMENTALSCIENCEVol.25,No.6Nov.,2004©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.HZQ2F,28,110r/min.:5%,900mg/g,150mg/g,R074=20%.112.,,3000r/min10min,,,3,.MLSS,.2,42DCP,4.(g/L):(NH4)2SO4618,KH2PO40122,K2HPO43H2O018,Na2HPO412H2O016.,,.113351011mg/L551604mg/L751844mg/L1101836mg/L1261546mg/L1501462mg/L2,42DCP,015g/L,,24h,2,42DCP,.114(1),.2,42DCP40mg/L,115g/L,015g/L,CNP=10051,013mL.2,42DCP,,2,42DCP,,2,42DCPCH4CO2[8].2,42DCP,40mg/L2,42DCP,;,70mg/L2,42DCP,.1Table1Parallelexperiments1152,42DCP(2),L8(24)[9]42.,,;,.8,60h,.::(mg/L).KmfKmfR.Kmfmf.Kmf=KmfmfRmmKf.R,.2Table2Influencingfactor/gL-1/mgL-11015402210201162,42DCP,Wa2ters1525;150mm416mmSymmetry2C18;,Waters2487.2%=7525(V/V),1mL/min,284nm..pHOrion811,Orion9417B,Orion90202.22112,42DCP,2,42DCP,.2,42DCP(1).1Freundich[3]:a=xm=Kfcn186©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Kf=129115,n=0133,a=129115c0.33.a(mg/g),x(mg),m(g),Kfn,c(mg/L).1Fig.1Adsorptionisotherms,n06,n1,[10].2,42DCP.Freundich,,,.,BAC2,42DCP,2,42DCP.Kf,2,42DCP,,,,,.,,,.212BAC,BAC2,42DCP,.2,096h,234,,(2a).96132h,3BAC,24,(2a),,(2b).2,42DCP,240114mg/(Lh)0138mg/(Lh)(2a),42(2b),.132168h,234,3,(2a).168h40mg/L2,42DCP,168240h(2a),234mg/(Lh)011101180113,3.240288h,2342BACFig.2Processofbiosorptionexperiment2825©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,240h70mg/L2,42DCP,234mg/(Lh)011301160110(2a).3,,,.2b12,42DCP2,42DCP,2,42DCP.,,,.,.2132,42DCP,156(3),(3b),16,5,,.,.,,.3.3a162,42DCP2,42DCP32,42DCPFig.3Degradationof2,42DCPbyACandquartz3Table3DataandanalysisofdegradationexperimentbyAC/mgL-1/mgL-160h/mgL-110154011546222011473301540115684220111825015200189162401132870152001636824011655K141641610975127441692K251638411825100551587K111160115241131911173K21141110461125111397R0125014780106801224,.:(1)3,2,42DCP:(2)3:,2,42DCP..,,,,,.3(1)2,42DCP,a=129115c0.33,0150mg/L2,42DCP,386©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.BAC.(2),0114mg/(Lh)0138mg/(Lh),;,0110mg/(Lh)0113mg/(Lh),.(3)BAC,2,42DCP;,,;.(4),.,.(5)BAC2,42DCP,,.:.:[1]PieroMArmenante,DavidKafkewitz,GordonALewandows2ki,Chih2JuJou1Anaerobic2aerobictreatmentofhalogenatedphenoliccompounds[J].Wat.Res.,1999,33:681692.[2]MakinenPM,ThenoTJ,FergusonJF,etal.Chlorophenoltoxicityremovalandmonitoringinaerobictreatment:recoveryfromprocessupsets[J].Environ.Sci.Technol.,1993,27:14341439.[3]AlexanderSSirotkin,LarisaYuKoshkina,KonstantinGIppoli2tov.TheBAC2processfortreatmentofwastewatercontainingnon2ionogenicsyntheticsurfactants[J].Wat.Res.,2001,35:32653271.[4]KlimenkoNA,AntonyukNG,NevynnayaLV,etal.Biosorp2tioninnaturalandwastewatertreatmentprocesses[J].JWaterChem.Technol.,2000,22(1):3143.[5]ShvetsovVN,MorozovaKM.Biosorbers2perspectiveinstalla2tionsfordeeppurificationofnaturalandwastewaters[J].Vo2dosnabzhSanitTekh,1998,1:412(inRussian).[6]NataliyaKlimenko,MargretheWinther2Nielsenb,SergeySmolin,etal.Roleofthephysico2chemicalfactorsinthepurifi2cationprocess[J].Wat.Res.,2002,36:51325140.[7]Se2HanLee,WataruNishijima,Chul2HeeLee,MitsumasaOka2da.Calciumaccumulationonactivatedcarbondeterioratessyn2theticorganicchemicalsadsorption[J].Wat.Res.,2003,37:46314636.[8]XZhang,JWiegel.Sequentialanaerobicdegradationof2,42Dichlorophenolinfreshwatersediments[J].Appl.Environ.Mi2crobiol.,1990,56:11191127.[9].()[M].:,1997.188189.[10]FischerK,BardtkeD.Effectofbiologicalfilmgrowthontheactivatedcarbonadsorptionandtheirusingforthecomplextreat2mentofwastewater[J].GWF2Wasser2Abwasser,1981,122:5864.4825©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.