Fenton试剂处理含油废水的实验研究郦和生1

3432007JOURNALOFBEIJINGUNIVERSITYOFCHEMICALTECHNOLOGYVol.34,No.32007Fenton郦和生1,2　陈新芳1　刘　伟＊1　王　岽2　王洪英2(1.,　100029;2.,　102500)　:Fenton,、pH、、H2O2Fe2+,。,120mg/L,Fenton:c(H2O2)=40mmol/L,c(Fe2+)=4mmol/L,pH=3.0,30℃;2h,48.4%。。:Fenton;;;:TQ085:2006-11-29:,1967,＊E-mail:[e-mail]　　。,,、、。、,,。,[1-2]。FentonH2O2Fe2+·OH,,、,[3-5]。1　实验部分1.1　,,;,;,30%(),;,;。WFZ800-D3A,;85-2,;HYG-Ⅲ,。1.2　225μL900mL,,5h,120mg/L。1.3　Fenton25mL250mL,H2SO4NaOHpH,FeSO4H2O2,,,(H2O2),NaOHpH10,。[6]。2　结果与讨论1　Fig.1　Effectofvaryingreactiontimeontheremovalefficiency2.1　2mmol/LFeSO4、pH3.0、30℃,Fe2+H2O2,,1。1,2h,,,2h,,。DOI:10.13543/j.cnki.bhxbzr.2007.03.004H2O2·OH。2h。2.2　H2O2FeSO4、pH3.0、30℃,H2O2,,2。2,H2O2,,5%,Fenton,H2O2,Fe2+。,H2O240mmol/L,H2O2;H2O240mmol/L,H2O2,,H2O2H2O2,·OH,;H2O2,,HO2·;,H2O2,Fe2+Fe3+,Fe3+,·OH,H2O2。2,20～60mmol/L,H2O240mmol/L。2　H2O2Fig.2　EffectofvaryingH2O2dosageontheremovalefficiency2.3　FeSO440mmol/LH2O2、pH3.0、30℃,FeSO4,,3。3,FeSO44mmol/L,FeSO4;FeSO44mmol/L,。Fenton,Fe2+,·OH,Fe2+,H2O2·OH,·OH2·OHH2O2H2O2,FentonFe2++H2O2Fe3++·OH+OH-Fe2++·OHFe3++OH-Fe2+·OH·OH,,FentonFe2+。3,FeSO42～6mmol/L,FeSO44mmol/L。3　FeSO4Fig.3　EffectofvaryingFe2SO4dosageontheremovalefficiency4　pHFig.4　EffectofvaryingpHontheremovalefficiency2.4　pH40mmol/LH2O2、4mmol/LFeSO4、30℃,pH,,4。Fenton。pH,Fe2+,;pH,·239·3　　　　　　　　　　　　:Fenton·OH,Fe2+Fe3+,H2O2,,FentonpH。4,Fen-ton,pH。pH3.0,pH;pH3.0,,pH3.0。2.5　40mmol/LH2O2、4mmol/LFeSO4、pH3.0,,,5。5,30℃,,,30℃,。,H2O2O2H2O。5　Fig.5　Effectofvaryingtemperatureontheremovalefficiency30℃。,Fenton,,Fenton,,、、。:[1]　BADAWYMI,ALIMEM.Fenton'speroxidationandcoagulationprocessesforthetreatmentofcombinedin-dustrialanddomesticwastewater[J].JournalofHaz-ardousMaterials,2006,136(3):961-966.[2]　GALVOSO,MOTALN,SIVADN.Applicationofthephoto-Fentonprocesstothetreatmentofwastewaterscontaminatedwithdiesel[J].ScienceoftheTotalEnvi-ronment,2006,367(1):42-49.[3]　,,,.Fenton-[J].,2006,7(3):88-91.[4]　SONIAK,FATHIA,SAMIS.Treatmentofoliveoilmillwastewaterbycombinedprocesselectro-Fentonreac-tionandanaerobicdigestion[J].WaterResearch,2006,40(10):2007-2016.[5]　,,.-Fenton[J].:,2004,7(4):79-82.[6]　《》.[M].4.:,2002.　TreatmentofoilywastewaterwithFenton'sreagentLIHeSheng1,2　CHENXinFang1　LIUWei1　WANGDong2　WANGHongYing2(1.CollegeofChemicalEngineering,BeijingUniversityofChemicalTechnology,Beijing100029;2.ResearchInstituteofYanshanPetrochemicalCo.,Ltd.,SINOPEC,Beijing102500,China)Abstract:RemovalofoilfromsyntheticwastewaterbytheFentonprocesshasbeeninvestigatedbymeansofcol-orimetricassay.Thefactorsaffectingoilremovalefficiency,suchasreactiontime,pH,temperature,anddosageofH2O2andFe2+havebeensystematicallyexaminedandtheoptimalconditionsfoundtobeasfollows:pH3.0,H2O2dosage40mmol/L,Fe2+dosage4mmol/Landtemperature30℃withreactionperiodof2h.Undertheseconditions,foraninitialoilconcentrationinthewatersampleof120mg/L,anoilremovalefficien-cyof48.4%wasobtainedTheresultsmayprovideabasisforthepracticalapplicationofthisprocessinthetreatmentofoil-containingwastewater.Keywords:Fentonreagent;oilywastewater;highoxidizingtechnique;oilremovalefficiency·240·　　　　　　　　　　　　　　　　　2007