国外对污水湿式催化氧化处理的研究进展杨琦

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:1997-01-14:,1966,,杨琦单立志钱易(,100084)(CWAO)WAO,AdvanceinCatalyticWetAirOxidationofWastewaterAbroadYANGQiSHANLizhiQianYi(EnvironmentalEngineeringDepartmentStateKeyLadonEnviromentSimulatorandPollutionControl,TsinghuaUniversity,Beijing100084;)AbstractWetairoxidation(WAO)involvingoxidationathightemperatureandpressureconditionsisusefulforthetreatmentofhazardoustoxicandnon-biodegradablewastewater.Thispaperreviewstheresearchadvancesinthemechanism,kineticsandapplica-tioninthisfield.TheKineticmodelisproposedforthetreatmentofvariouskindsofwastewater,thusconfirmingtheproposedreactionmechanisms.ItisbelievedthatWAOwillfindmoreapplicationsinthefuture.KeywordsWetairoxidation;Mechanism;Kinetics7080,80,,,,1,1958Zim-merman[1],150~350e,5~20MPa,,COD90%,150e,,,,,WAO1992ZimproCWAO200,160,200L/h200t/h2WAO211WAOWAO,2,[2]3,a1,,,:RH+O2yR#+HOO#(RH)(1)2RH+O2y2R#+H2O2(2)H2O2+My2OH#(M)(3)114ResearchofEnvironmentalSciencesVol.11,No.4,1998DOI10.13198/j.res.1998.04.64.yangq.017b1,RH+HO#yR#+H2O(4)R#+O2yROO#(5)ROO#+RHyROOH+R#(6)c1,R#+R#yR)R(7)ROO#+R#yROOR(8)ROO#+ROO#yROH+RCOR2+O2(9)212WAO2,,CN-+2H2OyHCOO-+NH3(10)CN-+H2OyOH-+HCN(11)CN-+O2yCNO-(12)CNO-+115O2yCO2-3+N2+CO2{(13)3,(1),AB,:-dAdt=(K1+K2)[A](14)A:B:C:CO21[2]-dBdt=K3[B]-K2[A](15),dAdt,dBdtA,B(14)(15)K1,K2,K33,,,(16)Vedprakashs[3],1-dCdt=K0exp(-EaRT)[C]m[PO2/H]n(16):K0)));E)));C)));PO2)));H)));m,n)))1WAO(K)(MPa)(g/L)O2Ea=3511kJ/molm=0n=1460~4533~1015O2Ea=135kJ/molm=0n=0138K0=9108@108550~5902~20125O2Ea=5211kJ/molm=1K0=2143@105433~5137~15O2Ea=130kJ/molm=015n=1450~533101915O2Ea=107kJ/molm=1n=1K0=1196@109453~483315119~3184WAOWAO,,,,CWAOCWAOImamura[4,5],CoBBi(5B1),,1MPa,20minTOC,Bi2O3,634,:Foussard[6]CWAO3,100~150e,,3,Sadana[3]70,19%,10%2,10819kJ/mol17519kJ/mol,Katzer[3]1976,10%,200e,0195MPa,99%9minM1MaSato[7]WAO,Co2O3,200e,,,Ishii[8]CWAOS,N,2,FeCo,Ni,Ce,Ag,Pt,Rn,Pa,Ru1;FeTi,Si,Zr1,2COD9815%9810%Hao[9]WAOTNT(2,4,6-),:,1,3-260e,0162MPa,TOCCOD77%91%,1,3-6021mg/L320e,0162MPa,1,3-386mg/L,TOCCOD94%,99%OLiver[10]WAOTNT,2,3ChenCWAO,,100~400mg/L,pH9~10,100~150mg/L,4h94198%IshiiWAO,,180~230e,7~15MPa,2,,,KalmanWAOWAO,,COD100g/L,92%~96%COD,100%,2WAOTNTmg/LpHNH3-NTKNCODTOCSS715592876654132550314532391571521661915(%))))879784253WAOTNT%COCO2N2ON2O2CH01333170151416771723KIMOTOOG,:250e,7MPaOGTi,Mn,Fe,Co,Ni,Ce15,:a1,,,b1c1d1,e1,f1g1h1WAO61Zimmerman.Newwastedisposalprocess.ChemEng,1958,65(8).2LiL,etal.Generalizedkineticmodelforwetoxidationoforganiccompounds.JAICHE,1991,37(11):1678.3Vedprakashs.Wetairoxidation.IndEngChemRes,1995,34:2.4Imanura,Wetoxidationcatalyzedbymtheniumsupportedonceriumoxidies,IndEngChemRes,1988,27(4):718.5Imamura.Wetoxidn.Treatmentprocessofwetoxidn.JapanPetrol.Inst,1982,25(2):74.6FoussardJN.Wetperoxideoxidationforindustrialwaserwatertrentment.GenieRenct,1991,5(16):177.7MasatoM.Wetoxidationofoxygenandnitrogencontainingorganiccompoundscatalyzedbycobaltoxide.IndEngchemRes,1989,28(7):894.8Ishii.Catalystfortreatingorganicwastewaterbywetoxidatin.JPAppl,1991,19(5):880.9Hao.Wetairoxidationoftrinitrotoluencemanufacturingredwater.WaterEnvironRes,1993,65(3):283.10OliverJ.WetoxidatinofTNTRedwaterandBacterialtoxicityoftreatedwaste.WatRes,1993,28(2):283.6411

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