Fenton试剂氧化SBR工艺处理煤化工废水的研究崔风桐

Oct．2016ChemicalFertilizerDesign545201610Fenton-SBＲ111121．0538002．221007。Fenton－SBＲ。pH3．0、H2O21．0%、FeSO4·7H2O1．3%3hCOD68%。SBＲ。FentonSBＲdoi10．3969/j．issn．1004－8901．2016．05．003X703A1004－8901201605－0008－03ＲesearchonTreatmentofWasteWaterinCoalChemicalIndustrybyFentonＲeagentOxidation-SBＲProcessCUIFen-tong1ZHAOLi-ning1LIYan-kunJIANGYing1YINHong-xiao21．ShenzhouChemicalEngineeringCo．Ltd．YangquanminingGroupHengshuiHebei053800China2．XuzhouWaterTreatmentＲesearchInstituteXuzhouJiangsu221007ChinaAbstractWiththedevelopmentofcoalchemicalindustrythewastewatertreatmenthasbecomeincreasinglyimportant．Intheexperimenttwo-steptreatmentofcoalchemicalwastewaterbyFentonreagentoxidation-SBＲprocesshasbeenadopted．TheexperimentalresultshowthatwhenthewastewaterpHis3．0theH2O2dosageis1．0%andFeSO4·7H2Odosageis1．3%．TheremovalrateofCODreaches68%after3hoursFentonreagentoxida-tion．TreatedbytheSBＲprocesstheeffluentwatercanmeetthenationaldischargestandard．KeywordswastewaterofcoalchemicalindustryFentonoxidationSBＲprocessdoi10．3969/j．issn．1004－8901．2016．05．003。、COD、。。COD、、。。。、1－3。FentonH2O2/Fe2+、、45。———。SBＲSequencingBatchＲeactorActivatedSludgeProcess。SBＲA2/O。SBＲ、、A2/O、、、。SBＲA2/O。SBＲ、。1984－2015、。·8·Fenton-SBＲCOD、。11．1、、、COD=2500mg/LNH3-N300mg/LpH=6～9。1．2CODpH。1．3FeSO4·7H2O、H2O2、NaOH。1．410LpHCOD。SBＲCOD、。SBＲ8L2500mg/LSBＲ。22．1pHCODH2O21．0%、FeSO4·7H2O1．3%Fenton3hCOD。pHCOD1。1pHCOD1pH2～3CODpHCOD。pH3．0FentonCOD。pH3～6CODpHCODFenton。Fenton。pH3．0。Fenton·OH·OHCOD。Fe2++H2O2→Fe3++·OH+OH－1Fe3++H2O2→Fe2++HO2·+H+2HO2·+H2O2→·OH+O2+H2O3pHH+2Fe2+1·OHFenton。pHFe2+、Fe3+·OHFenton6。pH6H+。pH。2．2H2O2CODpH3．0、FeSO4·7H2O1．3%Fenton3hCOD。H2O2COD2。2H2O2COD·9·5Fenton－SBＲ2H2O20．2%～1%CODH2O2COD。H2O2＞1．0%CODCOD。H2O2·OH。H2O2·OHFentonCOD7。H2O21．0%、H2O2H2O2。2．3FeSO4·7H2O2CODpH3．0、H2O21.0%Fenton3hCOD。FeSO4·7H2OCOD3。3FeSO4·7H2OCOD3FeSO4·7H2O0．5%～1．3%CODFe2+COD。FeSO4·7H2O1．3%～2．5%CODCOD。FeSO4·7H2OFe2+1·OH。Fe2+Fe2++·OH→Fe3++OH－Fe2+·OHCOD。FeSO4·7H2O1．3%FeSO4·7H2O。2．4FentonSBＲFentonpH6～9SBＲ4。SBＲ4/5Fenton1h10h2h4/5。COD。4FentonSBＲCOD。8h。SBＲCOD20～50mg/L0．5～2mg/LGB18918—2002《》8A。CODCO2COD。NH4+－NSBＲN2。SBＲ。。SBＲCODCOD。14·01·201654TiH2S。TiTi1～2。3155%Al－Zn。8～2060%～70%。255%Al－ZnＲe。Ｒe。0．2%ＲeＲe。355%Al－ZnTiTi1～2。Ti0．2%TiTiTi。1．M．2003．2．M．2001．3．30CrMoH2SJ．200525－7．4．J．20111457－58．2016－09－131031FentonpH3．0、H2O21.0%、FeSO4·7H2O1．3%3hCOD68%。2Fenton。。SBＲGB18918—2002《》A。1．J．201231258－260．2．J．20091199－100．3．J．20119129．4．FentonJ．20052770－74．5．FentonJ．200430317－1930．6．J．2014338350－355．7．Fenton－SBＲJ．2012323242－246．8GB18918－2002S．2016－08－201500t/a9261500t。152600t900t43。———。·41·201654