H2O2电化学氧化法联合处理合成橡胶废水的试验研究

第24卷第3期2010年5月甘肃联合大学学报(自然科学版)JournalofGansuLianheUniversity(NaturalSciences)Vol.24No.3May2010:2010-03-10.:(1957-),,,,,、.　　:1672-691X(2010)03-0058-04H2O2-电化学氧化法联合处理合成橡胶废水的试验研究王建中,张　萍,王春丽,孙　浩(,730070)　:H2O2,,.:COD769mg/L、TOC826mg/L,1:6,H2O2,100mL,1.5mLH2O2,90,CODTOC27%14.5%;,5.5V,90,CODTOC45.0%25.0%;H2O2,,,.90COD83.6%,TOC59.7%.:;H2O2;;:X783.3　　　:A　　,[1,2].,、、、,,COD769mg/L,,TOC10000mg/L.,COD769mg/L,,,、、、.,,[3～6].,H2O2-,,CODTOC.1　1.1　,1,1.1　1TOC()TC()IC().1　COD(mg/L)TC(mg/L)IC(mg/L)TOC(mg/L)BOD5(mg/L)pH769.010200.2824.49375.82866.21.2　:TOC(TOC-VE),COD(XH9004B),(MettlerToledo320pHMeter),-(A),(HB17301SC),.:30%,,,,.1.3　2.、,,,1cm,,100mL.2　DOI:10.13804/j.cnki.2095-6991.2010.03.0161.4　,H2O2,、H2O2;20g/L[7],,,;,H2O2,H2O2.,1:6,100mL.CODTOC.CODCOD,TOC.2　2.1　H2O2H2O2.,H2O2,H2O2,.,.100mL,H2O2,(90min),H2O2,CODTOC,2.2　H2O2CODTOCCOD(%)TOC(%)0.512.67.31.017.79.81.525.813.82.026.514.32.527.014.5　　2,,H2O20.5mL1.5mL,COD12.6%25.8%,TOC7.3%13.8%.,H2O21.5mL2.5mL,COD25.8%27.0%,TOC13.8%14.5%,CODTOC,.,,,.1.5mL,.H2O2,,,H2O2.2.2　,.,,20g/L,7,30,CODTOC,.15,6CODTOC,.34.3　COD(V)(min)COD(%)30456075901051204.56.310.815.421.626.829.532.75.07.513.822.425.628.833.535.45.59.617.424.333.742.943.443.86.010.618.425.634.943.744.645.04　TOC(V)(min)COD(%)30456075901051204.51.83.24.86.08.810.411.25.03.44.65.39.211.813.115.05.5V5.29.313.517.822.923.524.16.06.110.414.818.623.424.224.8　　34,,(4.5～5.0V),,CODTOC.4.5V,30120,COD6.3%32.7%,TOC1.8%11.2%;5.0V,COD7.5%35.4%,TOC3.4%15.0%.,CODTOC,.,5.5～6.5V,.5.5V,90,CODTOC,;6.0V,.,,90,CODTOC,43%23%.,COD43%、TOC23%,,59第3期王建中等:H2O2-电化学氧化法联合处理合成橡胶废水的试验研究,,.,90,,.,,5.5V,90,.4.55.0V,,CODTOC,;5.5V6.0V,90,CODTOC,.2.3　H2O2—H2O2—,.20g/L,100mL1.5mLH2O2,5.5V,30,15CODTOC,5.5　H2O2—CODTOC(min)COD(%)TOC(%)3018.116.44535.832.76066.454.57579.256.89083.659.710584.361.212085.761.7　　5,H2O2,90,COD83%,TOC59%.90,CODTOC.,H2O2、H2O2—6.6　(min)COD(%)TOC(%)H2O29025.813.89042.922.9H2O2—9083.659.76,H2O2,(),CODTOC,,,H2O2.,,H2O2,.,,TOC,.,TOC36.7%,59.7%,62.6%.,H2O2,,.,.3　,H2O2,、,H2O2.,H2O2,,,,,.:[1],,.[J].,2001,21(1):11-15.[2],,,.—Fenton.,2009,35(8):76-79.[3],,,..,2006,34(9):141-144.[4],,,,.—[J].,2008,26(3):18-19.[5],,,.Fenton-[J].,2009,35(8):99-102.[6],,.[J].:,2005,19(2):49-53.[7],,,.[J].,2008,33(2):72-76.60　　　　　　　　　　　　　　　　甘肃联合大学学报(自然科学版)　　　　　　　　　　　　　　　　第24卷ExperimentalStudyonTreatmentWastewaterofSynthesizedRubberbyH2O2-OxidationandElectro-OxidationWANGJian-zhong,ZHANGPing,WANGChun-li,SUNHao(SchoolofGeographyandEnvironmentalScience,NorthwestNormalUniversity,Lanzhou730070,China)Abstract:UsingcombinationmethodofH2O2-oxidationandelectro-oxidation,acatalyticandoxida-tionaltreatmentaccordingtosomerubberfactoriesismadebyusingsimplecryptolaselectrode.TheresultsshowthatforrubberwastewaterwithitsCODof769mg/LandTOCof826mg/L,after1:6di-lution,simpleoxidationonlywithH2O2,1.5mLormoreH2O2isaddedintowastewaterof100mL,af-ter90minutes,themaximalremovalrateofCOD/TOCislessthan27%/14.5%.Simpleoxidationon-lywithelectro-oxidation,afterthevoltagereaches5.5V,electrolysisisdonefor90minutesorlonger,themaximalremovalrateofCOD/TOCislessthan45%/25.0%,too.ButafterH2O2isaddedintoe-lectrolyticcell,furtherelectro-oxidationisdone,experimentalreactionisfastersignificantly,itseffecthasalsobeengreatlyimproved,themaximalremovalrateofCOD/TOCreaches83.6%/59.7%after90minutes.Keywords:rubberwastewater;H2O2-oxidation;electro-oxidation;cooperationandcatalysis(上接第57页):[1].[M].:,1999:241-246.[2],,,.[J].,2003,31(8):969-971.[3],,,.[J].-.2003,39(1):18-25.[4].[M].:,2001:184.[5],,.Zn-DDTC[J].-,2004,40(6):347-348.[6]SHIGEHIROK,YASUKOA,KIYOSEHIH.Sepa-rationandConcentrationofTraceLeadbyCoprecipi-tationwithYttriumPhosphate[J].ChemistryLet-ters,2000,8(9):389-391.[7].[J].-,2005,41(3):130-131.[8],,,.—[J].,2000,17(5):293-294.[9],.[M].:,1989:115.DetermineofZninDrinkingWaterbyCaCO3Coprecipitation-FAASSUNWen-feng(DepartmentofChemistry,QinghaiNormalUniversity,Xining810008,China)Abstract:AmethodofdeterminingofZnindrinkingwaterbyCaCO3coprecipitation-FAASwasestab-lished,themethodeliminatedphosphate,silicate,aluminumandotheroxoanionimpact,thesensitivityofdeterminewasimproved.TheregressionequationA=0.3527c+0.0233,correlationcoefficientofr=0.9996,theindentificationlimitof0.06μg·mL-1,theprecisionbetween0.22%～0.64%,there-coverybetween93.4%～96.9%,satisfactoryresults.Keywords:CaCO3;coprecipitation;water;Zn61第3期王建中等:H2O2-电化学氧化法联合处理合成橡胶废水的试验研究