钢铁行业焦化废水深度处理中污染因子的去除

1,1,1,2(1.,201901;2.,455004):JA2450A/B,A(FeSO4,K2FeO4,6%8%,3%FeCl3)B(H2O2,CaCl2,7%8%AlCl3)CODcr,:CODcr;;;Fenton;;:TQ085;TF09:A:10052748X(2010)0520390203EliminationofContaminationFactorsofWastewaterDeepTreatmentinSteelIndustryCokingPlantsHAOYu2feng1,FUQing1,KONGXiang2hai1,MAShu2fang2(1.ShanghaiJiuanWaterTreatmentChemicalFactory,Shanghai201901,China;2.AnyangSteelCompanyLtd.,Anyang455004,China)Abstract:AcompoundJA2450A/BcomposedofcomponentA(FeSO4,K2FeO4,6%8%highpolymerflocculant,3%FeCl3)andcomponentB(H2O2,CaCl2,7%8%AlCl3)wasdeveloped.ResultsshowedthattheJA2450A/Bwaseffectiveforbiochemicaltreatedcokingwastewater.ThedecontaminationefficiencyofCODcr,totalcyanide,fluorideandchromawasstable.Especiallyinhighlycontaminatedrawwater,theeliminationofcontaminationfactorsbyJA2450A/Bwasmoreeffective.Keywords:CODcr;fluorideion;totalcyanide;Fentonreagent;oxidation;coagulation0,,,A/OA2/O,,CODcrFenton[1]H2O2Fe2+,OH,,,[2]:2009210226:,021257052046,,,Fenton,Fenton,CODcr(CN-)70%90%,1()JA2450A/BAB:A,,25%;B,AB,209331520105CORROSION&PROTECTIONVol.31No.5May2010,,,,JA2450A/B,F-,,8%,B,JA2450ACODcr1.1,CN-F-COD,,A,CN-CODcrA1FeSO4,A2K2FeO4,A3[Fe2(OH)n(SO4)32n/2]m,A4[Al2(OH)nCl62n]mA5FeCl3pH2.53,;,,CN-B,B1H2O2,B2CaCl2,B3AlCl3B1B2A,COD;B3AF-,,,1.211.31000ml1CODcr,mg/L300,4503,55060,mg/L100,1500.5,0.7510,12500.54m3/h,CODcr,F-,,1.41,A1A2CODcr1A1A2CODcr2,A3A410%,,A3A45%,,A3A46%8%2A3A43,A5,,3%,3%A53A5193:4,B1B2CODcr4B1B2CODcr5,B3,F-,7%8%,5B3F-6,pHF-,pH7.2,,pHCN-CODcrpH,pH,6pH210,22,CODcr100mg/L,CODcr80mg/L,100%,10mg/L2CODcrmg/Lmg/Lmg/LCODcrmg/Lmg/Lmg/L6.233186.0050.4200920.329.00206.263045.8348.3200620.478.09256.272905.7748.2200670.618.17256.282966.1948.1200610.477.18206.292886.3048.6200540.597.67206.302987.0347.8200680.587.87207.032875.1854.7200610.588.21207.043004.6040.220071.80.626.94207.052794.7139.1200660.617.06207.062784.9038.8200650.605.6820,80%50JA2450A/B,:CODcr76%,83%,90%,92%314,CODcrF-(CN-)789,,,,25%293:T1.5,,,,,,,,,3180020054(VAISALAHMT331;),20061,,,1800,2004340t,,20061t4,,(382)[4],,,.[J].,2007,23(2):7-10.[5],,.[J].,2007,24(2):28-31.[6],,,.[J].,2008,38(11):44-47.[7]ZhangQiang,ZhangPeipei,JiaoQingze.Synthesisandcharacterizationofmicrocapsuleswithchlorpyrifoscoresandpolyureawalls[J].ChemResChineseU,2006,22(3):379-382.[8].[J].,2003,24(5):200-205.[9],,.[J].,2005,15(5):15-18.(392)9CN-,()5%,,,4JA2450A/BA(FeSO4K2FeO4FeCl3)B(H2O2CaCl2AlCl3),;,JA2450AJA2450B,:[1],,,.Fenton[J].,2000,21(3):93-96.[2],,.[J].,2000,21(4):65-68.[3]./-[J].,1995,15(6):343-346.[4].[J].,2000,25(13):4-8.[5],.Fenton[J].,1994,13(4):26-28.[6]WallingC,AmarnathK.OxidationofmandelicacidbyFentonssreagent[J].JAmChemSoc,1992,104:1085-1089.[7]YoonJLee.InvestigationofthereactionpathwayofOHradicalsproducedbyFentonoxidationinthecon2ditionsofwastewatertreatment[J].WaterSciTechn2ol,2001,44(5):15-21.[8],,.Fenton[J].,1997(6):23-24.493: