钢铁行业焦化废水深度处理中污染因子的去除郝玉凤

1,1,1,2(1.,201901;2.,455004)　:JA-450A/B,A(FeSO4,K2FeO4,6%～8%,3%FeCl3)B(H2O2,CaCl2,7%～8%AlCl3)。。CODcr、、、,。:CODcr;;;Fenton;;:TQ085;TF09　　　:A　　　:1005-748X(2010)05-0390-03EliminationofContaminationFactorsofWastewaterDeepTreatmentinSteelIndustryCokingPlantsHAOYu-feng1,FUQing1,KONGXiang-hai1,MAShu-fang2(1.ShanghaiJiuanWaterTreatmentChemicalFactory,Shanghai201901,China;2.AnyangSteelCompanyLtd.,Anyang455004,China)Abstract:AcompoundJA-450A/BcomposedofcomponentA(FeSO4,K2FeO4,6%～8%highpolymerflocculant,3%FeCl3)andcomponentB(H2O2,CaCl2,7%～8%AlCl3)wasdeveloped.ResultsshowedthattheJA-450A/Bwaseffectiveforbiochemicaltreatedcokingwastewater.ThedecontaminationefficiencyofCODcr,totalcyanide,fluorideandchromawasstable.Especiallyinhighlycontaminatedrawwater,theeliminationofcontaminationfactorsbyJA-450A/Bwasmoreeffective.Keywords:CODcr;fluorideion;totalcyanide;Fentonreagent;oxidation;coagulation0　,,、。,A/O、A2/O,,。CODcr、、、。Fenton[1]H2O2Fe2+,·OH,,,。[2]:2009-10-26:,021-57052046,,。,。。Fenton,。Fenton,CODcr、(CN-)、70%～90%,。1　()JA-450A/BA、B:A,,25%;B,。AB,。-。·390·31520105CORROSION&PROTECTIONVol.31　No.5May2010,,,,。JA-450A/B,。F-,,8%。,。B,JA-450A。CODcr、、。1.1　,。CN-F-COD,,。A,CN-CODcr。A1∶FeSO4,A2∶K2FeO4,A3∶[Fe2(OH)n(SO4)3-n/2]m,A4∶[Al2(OH)nCl6-n]mA5∶FeCl3。、pH2.5～3,、;,,CN-。B,B1∶H2O2,B2∶CaCl2,B3∶AlCl3。B1、B2A、,COD;B3AF-。,,,。1.2　1。1.3　1000ml1　CODcr,mg/L≤300,≤450≤3,≤5≤50≤60,mg/L≤100,≤150≤0.5,≤0.75≤10,≤12≤500.54m3/h。,CODcr,F-,,。1.4　1,A1、A2CODcr。1　A1、A2CODcr2,A3、A410%,,。A3、A45%,,。A3、A46%～8%。2　A3、A43,A5,,3%,3%A53　A5·391·:。4,B1、B2CODcr。4　B1、B2CODcr5,B3,F-,7%～8%,。5　B3F-6,pHF-,pH≥7.2,,pH。CN-。CODcr。pH,pH,。6　pH2　10,2。2,CODcr100mg/L,CODcr80mg/L,100%。,。10mg/L2　、CODcrmg/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%。50。JA-450A/B、,:CODcr76%,83%,90%,92%。。3　14,CODcr、F-(CN-)7、89。,,,,25%。。·392·:。ΔT1.5℃,,,,,,,,,。3　180020054(VAISALAHMT331;),20061,,,。1800,2004340t,,20061t。4　,、。、,。(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)9　CN-　　,()5%,,,。4　JA-450A/BA(FeSO4、K2FeO4、、、FeCl3)B(H2O2、CaCl2、AlCl3)。,。、。;,JA-450AJA-450B,。:[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.OxidationofmandelicacidbyFenton'ssreagent[J].JAmChemSoc,1992,104:1085-1089.[7]　YoonJLee.InvestigationofthereactionpathwayofOHradicalsproducedbyFentonoxidationinthecon-ditionsofwastewatertreatment[J].WaterSciTechn-ol,2001,44(5):15-21.[8]　,,.Fenton[J].,1997(6):23-24.·394·: