Fenton试剂处理电厂离子交换树脂再生废水

:,,1968,,199912,3Fenton312111(11,200090;21,200011)Fenton,,pH=210H2O2(30%)60mLöLFeSO47H2O415göLH2O24115h,FentonTreatmentofregenerationwastewaterofion-exchangeresininelectricpowerplantwithfentonreagentWangLu2ochun,etal.EnvironmentalEngineeringDepartmentofInstituteofShanghaiElectricPower,Shanghai200090Abstract:Catalyzedoxidationofregeneratingwastewaterofion2exchangeresininelectricpowerplantwithfen2tonreagentwasstudied.TheexperimentalresultsshowedthatCODCrremovalefficiencywasthebestwhenpHofsolutionwas2.00,H2O2(30%)was60mLöL,FeSO47H2Owas4.5göL,thenumberofH2O2applicationwasfourandreactiontimewas1.5h.Keywords:Regeneratingwastewaterofion2exchangeresinFentonreagentCatalyzedoxidation,()(CODCr500mgöL)(CODCröBOD5011),FentonH2O2Fe2+,Fenton[1](F2),Fenton,11.1PHS23CpH:;FeSO47H2O:AR,;H2O2(30%):AR,;(98%):AR,;:AR,;:,()pH1.0CODCr50mgöL,pH12.0CODCr600mgöL11,CODCr=316mgöL,CODCröBOD50.11.21000mL500mL,NaOHH2SO4pH,FeSO4,H2O2,,pH79,,1.3CODCr:;BOD5:;pH:pHS23CpH2211pHH2O2(30%)50mL,FeSO47H2O2125g,4h,pH11011511821031041051061011,pH210,pHFe2+Fe3+,Fenton[2]FentonpH832235200110©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1pH,,Fe2+H2O2OHFenton,pHOH,Fe2+pH,H+,Fe3+Fe2+,212FeSO47H2OpH=2.00,H2O2(30%)50mL,11511822125310415612gFeSO47H2O(H2O2Fe2+12011001801601401301),4h222,FeSO47H2O2125gFeSO47H2O,Fe2+,Fe2+,H2O2OH,OH;Fe2+,H2O2,O22.3H2O2pH=2.00,FeSO47H2O2125g,4h,102030405060mLH2O2(30%)33,H2O2(30%)30mLH2O2,Fe2+H2O2:OH+H2O2H2O+HO2HO2O-2+H+O-2+H2O2O2+OH-H2O2,,H2O23,OH,OH,CODCrH2O2;H2O2,,H2O2,O2,Fe2++H2O2H2O+OHFe3++H2O2Fe2++H++HO2,H2O2O,CODCrH2O2(H2O2E)[3]:E=C(CODCr)1033416,E=0.67göL,1LH2O20167gH2O2(30%)30mL(25135gH2O21L),,:H2O2K2Cr2O7,K2Cr2O7,H2O2,H2O2(018mL),K2Cr2O7,CODCr10000mgöL,;,CODCrBOD5011015,H2O2,,214pH=2.00,FeSO47H2O2125g,H2O230100mL,015123456h44,115h,215H2O2pH=2.00,FeSO47H2O2125g,H2O230100mL,H2O2932Fenton©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4,6h555,H2O24,H2O24,CODCr;H2O24,CODCr:H2O2,[H2O2]ö[Fe2+],,H2O2OH,H2O2,;4,H2O2,H2O2(),3(1)FentonpH=2.00FeSO47H2O415göLH2O260mLöL115hH2O24(2)H2O2,,1,,.Fenton.,2000,21(3):93962,,.Fe2+H2O2DSD.,1995,16(1):19223,.Fenton.,1994,13(3):2628,34(:2000212206),,,,,011mm15mm3215mm60,250mm,,250mm,90,3m,,,;,,,88154%,32164%,113göL,55117%,1400t,2124t,672,20160,20814t,412t,412t,651,20402,,()042235200110©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.