高级氧化技术处理垃圾渗滤液的研究进展张徵晟

·　　·:2005-03-22:(863)(2003AA001030):(1981-),,,2003,。张徵晟1,李光明1,夏凤毅2,王　华1,赵修华1(1.,200092;2.,　325005)　　:本文介绍了包括化学氧化法、电化学氧化法、光催化氧化法、超声氧化法、辐照氧化法和催化湿式氧化法等在内的高级氧化技术的机理和运用于垃圾渗滤液处理的研究进展,并提出高级氧化技术与生物处理联合运用和各种高级氧化工艺之间的优化组合将是实现高级氧化技术在垃圾渗滤液处理中工程化运用的发展方向。　　:;;:X705　　　　:A　　　　:1001-3644(2005)05-0072-07ProgressofAdvancedOxidationProcessesforTreatingLandfillLeachateZHANGZhi-sheng1,LIGuang-ming1,XIAFeng-yi2,WANGHua1,ZHAOXiu-hua1(1.StateKeyLaboratoryofPollutionControlandResourcesReuse,TongjiUniversity,Shanghai200092,China;2.SchoolofLifeandEnvironmentalScience,WenzhouUniversity,Wenzhou,Zhejiang325005,China)Abstract:Thepaperintroducesthebasicprincipleofadvancedoxidationprocessesinvolvingchemicaloxidation,electrochemicaloxidation,photocatalyticoxidation,ultrasonicoxidation,irradiationoxidationandcatalyticwetairoxidation,andtherecentstudyofadvancedoxidationprocessesusedinthetreatmentoflandfillleachateisalsoreviewed.Combinationofadvancedoxidationprocessandbiodegradationprocess,orcombinationofadvancedoxidationprocesseswillbethestraightforwardpathtotheirapplicationsoftreatinglandfillleachate.KeyWords:Advancedoxidationprocesses;hydroxylradical;landfillleachate1　前　言,,,,。(AOPs)·OH,,。1976HoigneJ[1]1987Glaze[2](AOPs),[3～10]。,,、、、、。2　化学氧化法2.1　FentonFentonH2O2Fe2+,。Fenton:H2O2Fe2+pH(2～5)[11],Fe2+H2O2·OH,·OH,。1Fenton:[12～15]Fenton,(H2O2)(Fe2+),COD;COD,H2O2COD。Fenton。[18,19],pH7～9,、,,COD—72—2005245DOI:10.14034/j.cnki.schj.2005.05.022。Fenton,;、、。1　FentonTable1SomestudiesontreatmentoflandfillleachatebyFentonOxidation　　　　　　　　　　　　　[12～15]COD:2450mg/LpH=3,[Fe2+]=0.044mol/L,H2O2/Fe=4.0,=1hCOD:80%　[16]COD:6080mg/LNH3-N:1780mg/LpH=4,Fe2+=200mg/L,H2O2=8g/L,=3hCOD:68%　[17]COD:1150～2900mg/LBOD:900～1600mg/LpH=7,FeSO4·7H2O=0.1mol/L,H2O2/FeSO4=4∶1,=210min,=20℃～30℃COD:92.18%:98.33%:99.75%[18,19]COD:25733mg/LNH3-N:2571mg/LpH=3,FeSO4·7H2O=0.4%,H2O2=4.3ml/L,=1hCOD:66.9%AntonioLopez[20]COD:10540mg/LpH=3,[Fe2+]=275mg/L,[H2O2]=3300mg/L,=2hCOD:60%BOD/COD=0.5　　Fenton,H2O2,。Fenton、、-CO2H-SO3H、-NO2[21],。FentonH2O2,,Fenton。2.2　FentonFentonFenton,UV、O3,H2O2。Fenton,Fenton。Fenton,Fenton2。2　FentonTable2SomestudiesontreatmentoflandfillleachatebyFenton-likeOxidation　　　　　　　　　　　[22]COD:450mg/LUV/H2O2/pH=4,[]=0.8mmol/L,[H2O2]=1.8g/L,=0.5hCOD:80%:90%[23,24]COD:878mg/L:1000/H2O2pH=2,/H2O2=5.3g/L,[H2O2]=1317mg/L,=3hCOD:82.8%:85.5%[25]COD:300～800mg/LUV/FentonpH=3,[Fe2+]=44.76mg/L,[H2O2]=977mg/L,=5hCOD:40%[26]COD:400～600mg/L,:600～700UV/FentonpH=3,H2O21.5,=120minCOD:70.7%:90%　[27]COD:5800mg/LBOD:430mg/LFentonpH=3,=4hCOD:65%BOD:99%ShengH.Lin[28]COD:951mg/LFenton,pH=4,[H2O2]=750mg/L,　=2.5A,=23minCOD:68%:100%　　[22],UV/H2O2/,H2O2,。[23,24]/H2O2,CODH2O2,。H2O2/COD=1.4～1.6H2O2。,,,H2O2。[25]UV/Fenton,,Fenton,COD。ShengH.Lin[28],Fenton—73—2005245,BOD/COD,。Fenton、、,。,,。,。2.3　()(·OH,·OH)。,,;,·OH[29]。HuangSuangsuang[30],COD=1610mg/L1.3mgO3/mgCOD60min,COD44%95%,BOD5,。ImarA.[31]WelanderU.[32]。SteensenMartin[33],(COD=900～1200mg/L),80%COD。I.Monje-Ramirez[34]—,,,。JerryJ.Wu[35],O3/UV。,,,,,[36]。。3　电化学氧化法3.1　,[37]。,。·OH。,ClO-,。·OH,,。[38],,82%,,。[39]:Cl-,,。Cl-,,。Li-ChoungChiang[40],,SPR、。,。[41～44]SBR,,。,CODNH3-NNH3-N。[45],CODNH3-N。[46](ECS)(EBACOR),64ECS,CO2、H2O。[47],,,。、[48]。3.2　,。(、、、),,(2～20eV)—74—2005245,,[49]。[50,51],,CODBOD,。,。,,,。4　光催化氧化法,·OH,·OH,·OHCO2H2O[52]。TiO2、CdSZnO,TiO2;(10～100nm)[53],,。[54]ZnO/TiO2,ZnO/TiO2ZnO;K2Cr2O7,;pH,、。[55],,;,,。,O2。[56],,TiO2,CODCr;TiO2ZnO。[57],,,、。[58,59]TiO2,,,。[60,61],3,pH4.5～8.5,12mg/L,COD30.9%。SungPillChoa[62],,。GC/MS,,,。。JaroslawWiszniowski[63]TiO2,,0.7g/L(TiO2)。,Cl-SO2-44.5～7.75g/L,;HCO-3。AbdullahMohammad[64],TiO2,、10-3mol/L,20%～70%,,。,、、、,。,,。。5　超声波氧化法,15kHz～1MHz[65],。(·OH)。EvelyneGonze[66],63GJ/m2,BOD5/COD0.014,COD70%。,。—75—2005245[67]FBZ,16kHz,,,COD、BOD5NH3-N68.9%、66.6%53.8%,SBR。,,。、、、、[68],。6　辐照氧化法(·OH、H2O2、H2O+、O-2)、,、。,:γ[69][70]。Byung-ukBae[71],30kGy,pH=3,COD329mg/L215mg/L,70%,80%。,,pH,pH。M.Yamazaki[72,73]γ,15kGy60Coγ37%COD,BOD,。,、,,。,,[74]。,。,。7　催化湿式氧化法(CatalyticWetAirOxidation,CWAO)。CWAO:,;Ce、Ru、Mn、CoBi[75]。[76,77],Co/Bi,280℃,0.5MPa,0.5gCOD90%。pH,pH=8。[78]CODCr、NH3-N,270℃、9MPa,40～60min,CODCrNH3-N99%,,。:COD,;,NOx、SO2、[79]。,、[80]。,,。8　小　结,。,,。,,,。,。,,。:[1]　HoigneJ,BaderH.TheRoleofHydroxylRadicalReactionsinO-zonationProcessesinAqueousSolutions[J].WaterResearch,—76—20052451976,10(2):377-386.[2]　GlazeWH,KangJW,ChapinDH.TheChemistryofWaterTreatmentProcessesInvolvingOzone,HydrogenPeroxideandUl-travioletRadiation[J].Ozone:ScienceandEngineering,1987,9(4):335-352.[3]　BergendahlJ,O'ShaughnessyJ.Advancedoxidationprocessesforwastewatertreatment[J].JournalofNewEnglandWaterEnviron-mentAssociation,2004,38(2):179-189.[4]　Pera-TitusMarc,Garcia-MolinaVeronica,BanosMiguelA,etal.Degradationofchlorophenolsbymeansofadvancedoxidationpro-cesses:Ageneralreview[J].AppliedCatalysisB:Environmental,2004,47(4):219-256.[5]　SutyHerve,DeTraversayC,CostM.Applicationsofadvancedox-idationprocesses:Presentandfuture[J].WaterScienceandTech-nology,2004,49(4):227-233.[6]　　.[J].,2004,23(3):26-27,44.[7]　　,.[J].,2004,30(6):12-14,3.[8]　ArslanI,AkmehmetBalciogluI,TuhkanenT.Advancedtreatmentofdyehous