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/Fenton喻亚静(,336000) :-Fenton。pH、H2O2、[H2O2]/[Fe2+]、。,TOC5mg/L,。:/Fenton TOC 、、、,COD、、[1]。、。,。,,。,,,[2]。,。,。FentonFe2+H2O2,,[3]。Fe2+,H2O2,Fenton,。,Fenton,。1 Fenton1.1 FentonFentonH2O2Fe2+,·OH,,、。30,Fenton。FentonH2O2Fe2+·OH(E=2.80V,F2),,,Fe2+,H2O2,:Fe2++H2O2=Fe3++·OH+OH-(1)Fe3++H2O2=Fe2++HO2·+OH-(2)Fe2++·OH=Fe3++ OH-(3)Fe3++HO2·=Fe2++O2+H+(4)HO2·=O2+H+(5)O2·+H2O2=O2+OH-(6)·OH+H2O2=HO2·+H2O2(7)Fe2++HO2·=Fe3++HO2-(8)Fenton·OH。·OH,(569.3kJ),,·OH,·OH,-C=C-,,。1.2 Fenton·OH,[Fe3+][H2O2][OH-]·OH,。FentonpH,H2O2。,。1.2.1 pHpHFenton,Fe2+Fe3+,Fenton。pH·OH,FentonpH,Fe2+H2O2·OH。Fenton,pH·OH,Fe2+Fe(OH)2。pH,H+Fe3+Fe2+,109 20103/Fenton DOI:10.14127/j.cnki.jiangxihuagong.2010.01.037。Fe2+pH。2-5。pH3。1.2.2 H2O2FentonH2O2。H2O2,COD,H2O2,H2O2,·OH,H2O2,,Fe2+Fe3+,Fe3+,H2O2。COD,H2O2,O2。1.2.3 Fe2+(Fe3+,,),Fe2+/TiO2,Cu2+,Mn2+,Ag+,,,。1.2.4 FeSO4·7H2OH2O2。H2O2,Fe2+COD。Fe2+,Fe2+,。Fe2+,,。Fe2+H2O2Fe3+,。H2O2,。1.2.5 Fenton,,,COD。,COD,。·OH·OHFenton。pH,·OH,。2 2.1 ,,,,,20,,pH。2.2 100ml(1:1,2-4mm。×10mm。50ml);1020ATOC();ZG-1()。2.3 Fenton:50ml,。,。pH30%HClNaOH。Fenton:250ml50ml,,。,TOC。3 3.1 ,,pH,,,,1。,pH=1,2h,,Fe2+,CODCr。,,,。TOC。,。1 3.2 FentonH2O2a=180mmol/L,360mmol/L;b=[H2O2]/[Fe2+]=10,20,30,10min,30min60min,120min4,pH3。500ml,,250ml。1,Fenton,,,H2O2,FeSO4·7H2O,。UV,,。Fenton110 20101 :H2O2180mmol/L,[H2O2]/[Fe2+]=30,2h。,。1 Fenton(TOC/mg/L)a=180b=10a=180b=20a=180b=30a=360b=10a=360b=20a=360b=3010min10.2810.7411.039.558.728.0530min6.385.976.115.995.356.0160min5.015.885.904.614.635.04120min4.844.704.774.504.524.893.3 /FentonpH3H2O2,Fe2+,H2O2。0.01%-0.15%()。2。,H2O20.1%,10minTOC5mg/L。,,TOC,10min。,H2O2TOC,TOC,。,H2O20.1%,,H2O2,。2 /Fenton(TOC/mg/L)H2O2 00.01%0.02%0.03%0.04%0.05%0.10%0.15%0min14.0314.1014.2615.6316.0116.4217.3519.925min13.9111.1212.7613.1313.0712.127.316.0110min11.3110.9511.3011.0310.279.184.294.8015min11.229.2311.0110.909.979.244.134.3130min11.087.259.3010.107.938.654.104.9160min9.996.987.029.177.787.064.785.043.4 /Fenton/Fenton,Fenton,。:a)pH3,;b)Fe2+HFenton,Fenton,;c)H2O2[O],;d)Fenton,,、、,。,H+,pH,,Fenton111 20103/Fenton 。TOC=4mg/L。,。4 4.1 。4.2 Fenton:H2O2180mmol/L,[H2O2]/[Fe2+]=30,2h。,。4.3 H2O2,。:pH=3,H2O20.1%,10min,TOC5mg/L,。4.4 Fenton。。[1],.[J].2008,3:306-310.[2].[J]..2007,6:46-48.[3].-Fenton[J]..2008,3:51-53.ResearchonTreatmentofPetrochemicalWastewaterbyMicroelectroylisisFentonProcessYuYa-jing(YichunEnvironmentalMonitoringStation,Yichun,Jiangxi,336000,China)Abstract:Treatmentofpetrochemicalwastewaterbymicroelectrolysis-Fentonprocesswasstudied.TheinfluencesofpH,thequantityofH2O2,theratioof[H2O2]/[Fe2+]andthereactiontimeontreatmenteffectswereexplored.Onthebestinfluentcondition,theremovalrateofTOCwasbelow5mg/L,whichmasureuptothenationalfirstgradestandardofthedischargedwastewater.KeyWords:Microelectrolysis-Fenton Petrochemicalwastewater TOC112 20101