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336()Vol.33No.620056Jour.ofNorthwestSci2TechUniv.ofAgri.andFor.(Nat.Sci.Ed.)June2005Fenton-X,,,(,712100)[]Fenton,,pH3,H2O22.5mLöL,FeSO4150mgöL,FentonCOD86%,90%300göL,3h,COD68%[];;Fenton;[]X793[]A[]167129387(2005)0620155204,[1,2],70%,,,,[3]Fenton,,,,Fenton,11.1,(CODCr)25003000mgöL,pH7.88.2,(SS)210240mgöL,250,,11Table1ChemicalcompositionofflyashgökgComponentContentComponentContentComponentContentSiO2492.20CaO32.20MnO0.60Al2O3278.00MgO8.40P2O32.80TiO213.10K2O12.10SO27.10FeO+Fe2O366.30Na2O4.501.2H2O2(AR),FeSO47H2O(AR),H2SO4(AR)JJ257542pHS23C(0.55mL,1001000LL)54121SHA2B1.31.3.1Fenton100mL,pH,H2O2,H2O2öFeSO4FeSO4,10min,30minCOD,H2O2Fe2+OH,[4,5],OH,,33,2X[]2005202222[](1978-),,,,[](1955-),,,,,1.3.2250mL,100mL,,COD2Table2FactorleveloftheorthogonaltestLeverFactorpHH2O2ö(mLL-1)FeSO4ö(mgL-1)132.5100245.0150357.5200(1)100mL,30g,,,COD,COD[6]:q=(C0-C)V1000m,q,(mgög);C0CCOD,(mgöL);V,(mL);m,(g)(2)4,100mL,15,20,25,30,35g,3h,CODC,q,qC1.42,,KmaxKmax(A0)(A),[7]:ö%=(1-AöA0)100%CODCODCOD,COD22.1FentonFenton33FentonTable3ResultoftheorthogonaltestNopHH2O2ö(mLL-1)H2O2doseFeSO4ö(mgL-1)FeSO4doseCODö%CODremoverate123456789k1k2k3R33344455584.3681.8571.8812.482.55.07.52.55.07.52.55.07.581.2479.5777.263.9810015020015020010020010015072.4883.6281.9611.1478.7785.3884.9485.0582.0972.4275.9666.2673.433,:pH3,H2O22.5mLöL,FeSO4150mgöL,COD86.25%,90%2.22.2.111,100göL300göL,COD32%68%,40%71%COD,300göL,,,300göL651()331CODFig.1Effectofdoseofflyashonremovalratio2CODFig.2AbsorbtionbalancecurveofflyashonCOD2.2.2,2,3h,,,3h2.2.3[8],lgqlgC:lgq=lgKf+1nlgC=-3.169+1.448lgCR2=0.9972,Kf1ön,,Kf1ön,1ön2,,Kf,lgq,lgC,33,Freundlich3CODFig.3MethylvioletisothermalabsorptionofflyashonCOD4pHCODFig.4EffectofpHonCODremovalratio2.2.4pHpH44,,COD,CODpHSiO2,Al2O3Fe2O3,,,4,,Fenton,pH4,pH2.3Fenton2Fenton,,,(GB3544292)7516:Fenton2,44Table4QualityindexofwastewateraftertreatmentCODö(mgL-1)SSö(mgL-1)ChromaTurbidity1201501520Achroma2ticity53,H2O2Fe2+OH,OH(2.8V),,CO2,,,Fenton,H2O2Fe2+Fe2+OH,Fe2+,H2O2,;Fe2+,Fe2+Fe3+,H2O2,,Fe3+Fenton,,,,,,,,Fenton2,,,2COD500mgöL,[3]Fenton2,COD200mgöL,,,,Fenton,,pH,,,,,,[][1].[J].,1997,17(3):1-5.[2].[J].,2003,22(9):62-68.[3],.[J].,1996,4(3):52-57.[4].[M].:,2004.[5]ArnoldSM,HickeyWJ,HarrisRF.DegradationofatrazinebyFentonpsreagent:conditionoptimizationandproductquantification[J].EnvironSciTechnol,1995,29(8):2083-8089.[6],,,.[J].,1997,24(2):83-87.[7].[J].,1994,16(5):14-16.[8],,.[J].,1994,7(5):62-64.Researchofpaper2makingwastewatertreatmentbyFentonoxidation2flyashZHOUDan,HUShi-bin,ZHANGTao,WANGLi(EnvironmentalEngineeringLaboratory,CollegeofLifeSciences,NorthwestA&FUniversity,Shaanxi,Yangling712100,China)Abstract:TwostageprocessofFentonoxidationandflyashabsorptionareusedtostudytheresultofpaper2makingwastewatertreatment.InconditionofpH3,H2O2dosage2.5mLöL.FeSO4dosage150mgöL,86%ofCODremovalratioand90%ofdiscoloringratioareachievedbyFentonoxidationtreatmentonwastewater,flyashdosage300göL,absorptiontime3h,68%ofCODremovalratioisachieved.Keywords:paper2makingwastewater;wastewatertreamtnet;Fentonoxidation;flyash851()33