PFS混凝光催化氧化深度处理焦化废水试验研究

347July201420147ModernChemicalIndustryPFS－1221113(1．武汉钢铁(集团)公司研究院，湖北武汉430080;2．武汉平煤武钢联合焦化公司，湖北武汉430082;3．武钢(北京)新材料研究中心，北京102200)PFS－。TOCTOC。TiO24g/L4hpH5.1PFS700mg/LTOC81%。PFSTOCX703．1A0253－4320201407－0077－04ExperimentalstudyofadvancedtreatmentofcokingwastewaterusingPFScoagulation-photocatalyticoxidationtechnologyZHANGLei1WANGKai-jun2LIUXia2LIUPu1XUEGai-feng1WUGao-ming1HUANGJian-yang31．Ｒ＆DCenterofWISCOWuhan430080China2．WuhanPingmeiWISCOUnitedCokingChemicalCo．Ltd．Wuhan430080China3．NewMaterialＲesearchCenterofWISCOBeijingBeijing102200ChinaAbstractAPFScoagulation-photocatalyticoxidationtechnologyisusedforadvancedtreatmentofcokingwastewateraftersecondarybiologicaltreatment．TheeffectsofsomekeyfactorsonTOCremovalrateareinvestigated．Theresultsarecomparedwiththoseofthecommonphotocatalyticoxidationtechnologyundertheoperatingparametersofthephotocatalyticoxidationdefined．SinglefactorexperimentalresultsshowthatTOCremovalratecanreach81%whenoptimaloperatingconditionsareasfollows4.0g/LofTiO2loading4hoursofirradiationtime5ofinitialpHand700mg/LofPFSdosage．KeywordscokingwastewaterPFScoagulationphotocatalyticoxidationtechnologyTOCre[e-mail]。、、、1－3。A/OA2/O、O/A/O、A/O2COD。《》GB16171—2012201511。·OH、O2·－H2O2CO24－6。、、7。PFS、8－9。－。11.1O/A/O1。1pHTOCCODCrBOD5NH3－NTN7.8123.61865323656～9—80201020GB16171—2012mg/LpH。·77·347NaOH、Ag2SO4、HgSO4、K2Cr2O7、TiO2、36%1.19g/cm3PFS11%10%pH1%2.3。1.21L1。254nm20W500mLTiO2150L/hO2TiO2。。1TO21.3TOC、TN－NDIＲAnalytikjenaMultiN/C2100TOCCODCOD－571pHPHS－3BpHNH3－N5B－6DHBOD510。22.1TiO2TOCpH7.8150L/h2hTiO2TOC2。2。TiO204g/LTOCTiO2TiO2＞4g/LTiO2TOC。TiO2·OHTiO2TiO211－12。4g/L。2TiO2TOC櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆櫆(上接第76页)31UV－VisH2－TPＲNaYPdPdNH32+4PdNH32OZ2+2PdOZ2+4Pd。2XPS300℃H2Pd。3TEMCOPd。120℃500℃Pd11.9nm1.3nm。PdNH342+NaY1.3～11.9nmPd。1HomeyerSTSachtlerWMH．ElementarystepsintheformationofhighlydispersedpalladiuminNaYⅠ．Pdioncoordinationandmi-grationJ．JCatal198911791－101．2HomeyerSTSachtlerWMH．ElementarystepsintheformationofhighlydispersedpalladiuminNaYⅡ．ParticleformationandgrowthJ．JCatal1989118266－274．3ZhangZSachtlerWMH．Themonoclinicframeworkstructureofze-oliteH-ZSM-5．Comparisonwiththeorthorhombicframeworkofas-synthesizedZSM-5J．Zeolites199010235－242．4OkumuraKYoshimotoＲUrugaTetal．Energy-dispersiveXAFSstudiesonthespontaneousdispersionofPdOandtheformationofstablePdclustersinzeolitesJ．JPhysChemB20041086250－6255．5MahataNVishwanathanV．Highlyselectivecatalyticconversionofphenolicbio-oiltoalkanesJ．JCatal2000196262－270．■·87·20147PFS－2.2TOCTiO24g/LpH7.8TOC3。34hTOC＞4hTOC5hTOC59%。TiO2。·OH5。·OHTOC·OH·OHTOC。3TOC2.3pHTOCpH、5。2mol/LHClNaOHpHTiO24g/L150L/h4hpHTOC4。4pHTOC4TOCpH。13TiO2pH6.2。12pH＜6.2TiO2pH＞6.2TiO214。pHpH＜6.2TiO2·OHTOC。pH5.1。TiOH+H幑幐+TiOH+1TiOH+OH幑幐－TiO－+H2O22.4PFSTOCTiO24g/LpH5.14hPFS100r/minNaOHpH7.030minTOCTOCPFS5。5PFSTOCPFS700mg/LTOC81.0%PFS800mg/LTOC81.3%。15－16PFS－－－－。、17。PFS。PFS700mg/L。5PFSTOC2.5PFS－PFS·97·347700mg/LTiO24g/LpH5.110、20、30、60minPFS－TOC6。1—PPS+2—6PFS－6PFS－30minPFS－、TOC41.8%、19.3%2.260minTOC45.2%、26.6%1.7。、30minPFSTOC2。PFS－PFS。31PFS－TiO24g/L4hpH5.1PFS700mg/LTOC81%。2PFS－、2.2。PFS－TOC、CODTN《》GB16171—2012。1ZhuXNiJLaiP．Advancedtreatmentofbiologicallypretreatedcokingwastewaterbyelectrochemicaloxidationusingboron-dopeddiamondelectrodesJ．WaterＲesearch2009434347－4355．2WangBChangXMaH．Electrochemicaloxidationofrefractoryor-ganicsinthecokingwastewaterandchemicaloxygendemandCODremovalunderextremelyMildConditionsJ．IndEngChemＲes200847218478－8483．3．J．2012212370－374．4TtsuyoshiOchiaiAkiraFujishima．PhotoelectrochemicalpropertiesofTiO2photocatalystanditsapplicationsforenvironmentalpurifi-cationJ．JournalofPhotochemistryandPhotobiologyCPhoto-chemistryＲeviews2012134247－262．5ParkHyunwoongParkYiseulKimWooyuletal．Surfacemodifica-tionofTiO2photocatalystforenvironmentalapplicationsJ．Jour-nalofPhotochemistryandPhotobiologyCPhotochemistryＲeviews2013151－20．6．TiO2J．20092291049－1055．7SongZWＲenNQ．PropertiesandcoagulationmechanismsofpolyferricsilicatesulfatewithhighconcentrationJ．JournalofEn-vironmentalSciences2008202129－134．8．A/OJ．2008283215－219．9AboodＲAlkhafajiBaoJGDuJKetal．Non-biodegradableland-fillleachatetreatmentbycombinedprocessofagitationcoagula-tionSBＲandfiltrationJ．WasteManagement2014342439－447．10．《》．M4．2002．11AgustinaTEAngHMPAＲEEKVK．Treatmentofwinerywastewaterusingaphotocatalytic/photolyticreactorJ．ChemicalEngineeringJournal20081351/2151－156．12．TiO2J．2009331141－145．13ChouJCLiaoLP．StudyonpHatthepointofzerochargeofTiO2pHionsensitivefieldeffecttransistormadebythesputteringmethodJ．ThinSolidFilms20054761157－161．14ShahrezaeiFYadollahMansouriAliAkbarLorestaniZinatizadehetal．ProcessmodelingandkineticevaluationofpetroleumrefinerywastewatertreatmentinaphotocatalyticreactorusingTiO2nanop-articlesJ．PowderTechnology2012221203－212．15．J．200727122480－2484．16ZouboulisAIMoussasPAVasilakouF．PolyferricsulphatePrep-arationcharacterisationandapplicationincoagulationexperimentsJ．JournalofHazardousMaterials20081553459－468．17．PFSJ．2012321047－50．■·08·