Fenton氧化法处理难降解工业废水的工艺研究进展

201614·158·(528300)[]FentonFenton-FentonFentonUV-FentonFentonFenton[]Fenton[]X5[]A[]1007-1865(2016)14-0158-02ResearchProgressonFentonOxidationProcessesUsinginIndustrialRefractoryWastewaterTreatmentMoZhuojun(FoshanXintailongEnvironmentalProtectionEquipmentManufacturingCo.,Ltd.,Foshan528300,China)Abstract:ThepaperintroducesthebasicreactionmechanismofFentonoxidationtechnology;reviewsthedifferentprocessesoftheFentonoxidationtechnology,includingthecommon-Fentonoxidationprocess,micro-electrolysis-Fentonoxidationprocess,UV-Fentonoxidationprocess,electro-Fentonoxidationprocess,andtheirapplicationsinindustrialrefractorywastewatertreatment.Finally,itsummarizesthecharacteristicsofvariousFentonoxidationprocessandtheprocessselectionprinciples.Keywords:Fentonoxidationprocessindustrialrefractorywastewater(AOP)(AOP)Fenton[1]Fenton1Fenton1894FentonH2O2Fe2+H2O2Fe2+Fenton1964EisenhouserFentonFenton[2]FentonHaberWeiss1934(·OH)[3]HaberWeissFe2+Fe2+/Fe3+H2O2(·OH)2.80V(3.03V)Fe2+H2O2[3-4]Fe2++H2O2→Fe3++·OH+OH-Fe3++H2O2→Fe2++HO2·/O2·-+H+·OH+H2O2→HO2·/O2·-+H2OFe3++HO2·/O2·-→Fe2++O2+H+Fe2++·OH→Fe3++OH-HO2·/O2·-+HO2·/O2·-→H2O2+H2O·OH+HO2·/O2·-→H2O+O2·OH+·OH→H2O2R-H+·OH→R·+H2OR·+Fe3+→Fe2++productsFentonFe2+H2O2(·OH)H2O2(·OH)CO2H2OCODCr2Fenton2.1FentonFentonFentonFe2+H2O2pHpH2~5Fenton(·OH)pH8~9Fe2+Fe3+Fe(OH)2Fe(OH)3CODCrFentonFentonFentonFenton[5]FentonpH=3.0ρ(H2O2)=500mg/Lρ(H2O2)/ρ(Fe2+)=6150minBOD5/CODCr0.030.47[6]FentonFentonpH=4H2O2(30%)50mL/LFe2+/H2O21/2060minCODCr120mg/LCODCr75%2.2-Fenton[H]Fe2+-FentonFe2+FentonFe2+H2O2Fenton(·OH)CODCr[7]-FentonFentonFe2+Fe3+[8]-Fenton5~7mm2~3mm1190minpH8.0~9.0H2O24mL/LFenton90minCODCr55%BOD5/CODCr0.240.43[9]-FentonpH=2.50.6m3/h30min/2h1mL/LH2O2Fenton2hCODCr81.33%[]2016-07-04[](1982-)20161443328·159·2.3FentonFentonFentonFentonFentonFe3+(FOOH)H2O2Fe2+[10]FentonFe2+H2O2(Fenton)(H2O2/)Fe3+[11][12]Fenton(MO)FentonFentonpH3~4H2O210mmol·L-1Fe2+0.67mmol·L-1FentonMOFentonFentonFentonMOTOC80min35%Fenton51.2%[10]FentonCODCr=500mg/L600FentonCODCr30~50mg/L3~5CODCr90%99%FentonFentonH2SO430%FeSO440%40%Fenton51.2%2.4UV-FentonUV-FentonFe2+-H2O2UV-H2O2Fe2+H2O2(·OH)H2O2Fe2+Fenton[13]FentonUV-FentonUV-FentonFenton98%40%FentonUV-Fenton120min[14]UV-FentonFeSO40.2g/100mLH2O20.59g/100mL75minpH6UV-FentonCODCr86%2.5FentonFentonO2H2O2H2O2Fe2+Fe2+·OHFe3+Fe3+Fe2+FentonFe2+H2O2Fenton[15][16]FentonCODCr80%FentonCODCr20%FentonCODCrH2O21.5AH2O21100mg/LH2O2FeSO4251pH33FentonFentonFenton-FentonFe2+FentonFe2+H2O2UV-FentonUVUVFentonFentonFentonFentonFentonFenton[1][J]200935(3)18-22[2]Fenton[J]200827(5)660-665[3]Fenton[J]201325(8)1246-1259[4]Fenton[J]200427(3)105-107[5]Fenton[J]()200936(2)88-91[6]Fenton[J]20137(1)132-136[7]-Fenton[J]20148(4)1397-1404[8]·-Fenton[J]20137(11)4399-4404[9]-Fenton[J]20148(3)1106-1112[10]Fenton[J]201433(8)35-39[11]/Fenton[J]201329(3)70-73[12]Fenton[J]201238(3)91-93[13]FentonUV-Fenton[J]201541(5)21-23[14]UV-Fenton[J]200834(10)42-45[15]Fenton[J]200935(3)5-917[16]Fenton[J]()201341(6)79-84(155)2[5][1][J]201214124-125[2][J]20120330-34[3][J]20070150-52+74[4][J]20140187-92[5][J]201307146