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58Vol．5No．820118ChineseJournalofEnvironmentalEngineeringAug．2011Fe/AC*710069Fe/AC、、、CWPOFe/ACCW-POFe/AC。、、pH、H2O2。2%300℃4hFe/ACpH=530%H2O21.8mLCOD96.5%。CWPOFe/ACX703A1673-9108201108-1815-05Fe/ACcatalystforcatalyticwetperoxideoxidationofcokingwastewaterAiXianliZhaoBinxiaZhangXiaoliLuoJinchaoCollegeofChemicalEngineeringNorthwestUniversityXi’an710069ChinaAbstractActivatedcarbon-supportedFecatalystsFe/ACwerepreparedbyincipientimpregnationforCWPOandthecatalystswerecharacteredbysurfaceareaandTG．PhenolquinolineNH3-NwhichwerethemaincontaminantsincokingwasterweretreatedbyCWPO．ThepreparationofFe/ACcatalystandtheprocessofCWPOhasbeeninvestgated．TheresultsshowthattheloadingofFethecalcinationtemperaturetheinitialpHandtheamountoftheoxidantH2O2greatlyinfluencedthecatalyst’sstabilityandthecatalyticactivity．WhentheloadingFeis2%thecalcinationtemperatureis300℃for4hH2O2doseis1.8mLtheCODre-movalcanreach96.8%．TheFe/ACasthecatalystforCWPOshowedhighstabilityinionleaching．KeywordscokingwastewaterCWPOFe/AC2010－06－172010－10－251986～。E-mailaixianlixin@yahoo．com．cn*E-mailzxlbx@china．com、。、、、1。。。。、CO2、N2H2O2。、、150～350℃0．5～20MPa、2。H2O2catalyticwetperoxideoxidationCWPO。CWPO、Cu。CuCu2+34。CWPOFe/Ac。511．1、Fe/AC。30～402mol/LNaOH1d1d60℃。0.87mL/g。10%12h60℃4hFe/AC。1．23、、、、300、100255mg/L5。COD1400～1600mg/L。1g100mL1hCODCOD30%“”COD。CODJHR-2COD。FeLengGuang721。pHPHS-3BpH。1．3AUTOSORB-1N2。Mettler-ToledoTGA/SD-TA851e。90～900℃10℃/min50mL/min。22．1Fe/AC2．1．1250℃、pH6.060℃H2O21.2mL2h。1%、2%、4%、6%8%Fe/AC1。12%COD86.6%2%CODCOD2%BET394.5m2/g2%Fe300℃FeFe8%340.6m2/g348.8m2/g。1Fe/ACTable1EffectofdifferentloadingonFe/ACcatalysts%SBETm2/gnmFemg/LCOD%0348．83．398080．31339．03．4141．2684．62394．53．2641．9986．64340．13．1192．3474．36339．53．0863．0558．18340．63．0783．5354．11Fe/AC250℃N21-IV-。22%Fe/AC250℃2。。。CODFeFe2%。2．1．232%Fe/ACTGDTG。TG61818Fe/AC1FeFig．1AdsorptionanddesorptionisothermscurveofdifferentloadingofFecatalyst22%Fe/ACFig．2Poredistributionplotof2%Fe/ACcatalysts3Fig．3Pyrolysiscurvesofuncalcinedcatalyst90～250℃DTG150℃。FeNO33125℃6。DTG700℃800℃Fe2O3COCO26。150、200、250、300400℃2%Fe/AC。2Fe/ACpH=6.060℃CWPO。22h3h300℃COD300℃COD。300℃。、7150～200℃Fe2O3200℃300℃Fe2O3H2O2HO·6。2Fe/ACTable2EffectofdifferentcalcinationtemperaturesonFe/ACcatalysts℃SBETm2/gFemg/L2h3hCOD%2h3h150315．69．2518．2464．370．0200355．85．2615．5365．872．7250394．51．994．8174．986．6300442．11．833．7883．390．0400492．60．733．6278．187．42。pH6pH4。400℃492.6m2/g。400℃Fe2O3Fe2O3300℃。300℃。718152．2CWPO2．2．1pH1mol/LH2SO4pH3pHCOD。3pHCODTable3EffectofinitialpHonCODremovalrateandFeironleachingpHFemg/L2h3hCOD%2h3h318．0026．2675．985．9413．8614．9385．089．353．605．7988．994．461．833．7883．390．03pH=5COD88.9%2h94.4%3hpH=6CODH2O2pHpHH2O2H2O·O－HO·HO·+OH－→H2O+·O－8。3pH。4。CODpH5。2．2．2H2O2100mLCO2N2H2O30%H2O21.2mL。4CODH2O2。4H2O2CODTable4EffectofH2O2additiononCODremovalrateandFeironleachingH2O2mLFemg/L2h3hCOD%2h3h0．65．206．7265．373．31．23．605．7988．994．41．82．253．7192．096．52．45．056．1271．7804H2O20.6mLCOD2h65.3%3h73.3%。H2O21.8mLCOD2h92.0%3h96.5%H2O2。H2O22．4mLCOD2h71.7%3h80.0%H2O2HO·HO2·H2O2+HO·→H2O+HO2·HO·9-11。H2O2COD。4H2O21.8mL。H2O20.6mLpH3．8612pHFe。H2O22.4mLH2O2HO2·HO2·H+HO2·→O2－·+H+10。CODH2O21．8mL。3Fe/ACCWPOFe/AC12%COD300℃400℃COD2CWPOpHH2O2。pHFepHH2O2H2O·O－HO·H2O2CODH2O2H2O21．8mL81818Fe/AC3、、CW-POpH=560℃100mL30%H2O21.8mL2%Fe/AC300℃4h1g。3hFe3.71mg/LCOD96.5%。1．．2007274295-300WangJianbinYangShaoxiaZhuWanpengetal．Ad-vancesinresearchonwastewatertreatmentbycatalyticwetairoxidationprocess．EnvironmentalProtectionofChemicalIndustry2007274295-300inChinese2CarriazoJ．GuélouE．BarraultJ．etal．CatalyticwetperoxideoxidationofphenolbypillaredclayscontainingAl-Ce-Fe．WaterResearch200539163891-38993．．19991744-18TanYajunJiangZhanpengYuGang．Wetairoxidationandcatalyticwetairoxidationprocessforwastwatertreat-ment．EnvironmentalEngineering19991744-18inChinese4．Cu．200021482-85TanYajunJiangZhanpengZhuWanpengetal．Stabili-tyofcoppercatalystforthewetairoxidationoftheorganicpollutants．EnviromentalScience200021482-85inChinese5．．199713114-17HeMiaoZhangXiaojianQuFupingetal．Removalcharacteristicsofaromaticandhetercyclicorganiccom-poundsofcokeplantwastewatertreatedbyactivatedsludgeprocess．ChinaWater＆Wastewater199713114-17inChinese6ZazoJ．A．FraileA．F．ReyA．etal．Optimizingcalcina-tiontemperatureofFe/activatedcarboncatalystsforCW-PO．CatalysisToday20091433-4341-3467FigueiredoJ．L．PereiraM．F．R．FreitasM．M．A．etal．Modificationofthesurfacechemistryofactivatedcarbons．Carbon19993791379-13898BuxtonGerogeV．GreenstockCliveL．HelmanW．Phil-lipsetal．Criticalreviewofrateconstantsforreactionsofhydratedelectronshydrogenatomsandhydroxylradicals·OH/·O－inaqueoussolution．JournalofPhysicalandChemicalReferenceData1988172513-5319QuintanillaA．FraileA．F．CasasJ．A．etal．Phenoloxi-dationbyasequentialCWPO-CWAOtreatmentwithaFe/ACcatalyst．JournalofHazardousMaterials20071463582-58810LaatJosephDeLeTruongGiang．KineticsandmodelingoftheFeIII/H2O2systeminthepresenceofsulfateinacidicaqueoussolutions．EnvironmentalScience＆Tech-nology20053961811-181811RamirezJ．H．Maldonado-HódarF．J．Pérez-CadenasA．F．Azo-dyeorangeIIdegradationbyheterogeneousFenton-likereactionusingcarb