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:0253-2409(2010)04-0508-05 :2009-09-17;:2010-03-09。 :(25060361/B01)。 :(1984-),,,,,F-T。Tel:0351-4068425,E-mail:junjunmengmeng@163.com。Fenton-UASB-Fischer-Tropsch吴 丽1,2,任云霞1,董桂燕1,刘 黎1,李永旺1(1., 030001;2., 100049) :Fenton-UASB-Fischer-Tropsch。,Fenton,pH3,H2O230mL/L,Fe2+1.2g/L,120min,63%CODCr,;FentonUASB,CODCr90%;,CODCr100mg/L,GB8978-1996《》。:Fischer-Tropsch;Fenton;UASB;:X703 :AStudyonFischer-TropschsynthesiswastewatertreatmentbyFenton-UASB-BiologicalcontactoxidationWULi1,2,RENYun-xia1,DONGGui-yan1,LIULi1,LIYong-wang1(1.InstituteofCoalChemistry,ChineseAcademyofSciences,Taiyuan 030001,China;2.GraduateUniversityofChineseAcademyofSciences,Beijing 100049)Abstract:ThewastewaterfromFischer-TropschsynthesisplantwastreatedbyFenton-UASB-Biologicalcontactoxidationcombinedprocess.TheresultsshowedthatthepretreatmentofthewastewaterbyFentonoxidationcannotonlyeliminateCODCrby63%,butalsoimproveitsbio-degradabilityeffectivelywhenthepHwas3,reactiontimewere120minanddosageofH2O2andFe2+was30mL/Land1.2g/Lrespectively;aftertreatmentbyUASBanaerobic,theCODCrremovalratecouldreachupto90%;andfinallyaftercontactoxidation,theeffluentCODCrwasbelow100mg/L,whichcanmeettheseconddischargestandardofchemicalwastewaterinGB8978-1996IntegratedWastewaterDischargeStandard.Keywords:Fischer-Tropschsynthesis;Fenton;UASB;contactoxide ,,。,,。,Fischer-Tropsch(F-T)。F-T,、、、、,,。[1]Fischer-Tropsch。F-T、,0.5%。,1t1.5t;,pH2.0～3.5;CODCr,10000mg/L;。,,。,Fenton-UASB-F-T,,。1 1.1 ,、,1。1.2 H2O2(30%);FeSO4·7H2O,NaOH,H2SO4,;PHS-3C:;JB-2:。:38420108 JournalofFuelChemistryandTechnologyVol.38No.4Aug.2010。1.3 Fenton:100mLF-T,0.2mol/LNaOH0.1mol/LH2SO4pH,FeSO4·7H2OH2O2(),FeSO4·7H2O,pH,,。1。:,5L。UASB:UASB,1500mm,,100mm,,3.2L。。UASB,,(37±1)℃。UASB,。pH6.8～7.2,CODcr。:φ100mm×500mm(),。,7d。CODCr。1 Table1 WaterqualityindexofwastwaterinexperimentIndexCODCr/mg·L-1BOD5/mg·L-1NH3-N/mg·L-1SS/mg·L-1BOD5/CODcrpHValue11000～35000700～400050300.06～0.101.5～3.51 Figure1 Technologicalprocessofwastewatertreatment1.4 CODCr:(GB11914-89);BOD5:[2];pH:。2 2.1 Fenton Fenton,,。Fe2+H2O2,H2O2Fe2+·OH,,。[3～6]:Fe2++·OH※Fe3++·OH+OH-Fe3++H2O2※Fe2+HO2·+H+Fe2+H2O2·OH,·OH,。,,CODCrBOD5,,。,CODCr。2.1.1 pH 20℃,CODCrFe2+11352mg/L100mg/L,H2O24mL,150min,pHFenton,2。2,FentonpH3CODCr,52.7%。pH·OH:pH,·OH,;pH,Fe2+,,,。2 pHCODCrFigure2 EffectofpHonCODCrremovalrate□:CODCr;:CODCrremovalrate2.1.2 H2O2 20℃,CODCrFe2+11352mg/L100mg/L,pH3,150min,H2O2Fenton,3。2.1.3 Fe2+ H2O2Fe2+5094 :Fenton-UASB-Fischer-Tropsch Fenton,H2O2Fe2+,。20℃,CODCrFe2+11352mg/L,pH3,H2O23mL,150min,Fe2+(FeSO4·7H2O),Fe2+Fenton,4。3 H2O2CODCrFigure3 EffectofH2O2additiononCODCrremovalrate□:CODCr;:CODCrremovalrate4 Fe2+CODCrFigure4 EffectofFe2+additiononCODCrremovalrate□:CODCr;:CODCrremovalrate 4,Fe2+,CODCr,Fe2+120mg,CODCr,59.1%。Fe2+,CODCr,Fe2+,,。,Fe2+1.2g/L。2.1.4 CODCr 20℃,CODCr11352mg/L,Fe2+120mg,H2O23mL,pH3,CODCr,5。5 CODCrFigure5 EffectofreactiontimeonCODCrremovalrate□:CODCr;:CODCrremovalrate 5,,CODCr,120min,CODCr,63%,,120min。2.2 Fenton Fenton,F-T。BOD5,BOD5/CODcr,CODcr16450mg/L,2。2 Table2 BiodegradabilitycomparizationCODCr/mg·L-1BOD5/mg·L-1BOD5/CODcrOriginalwater164509470.06Pretreatedwater658016140.25 2,,BOD5/CODcr0.060.25,,,。2.3 Fenton,UASB,NaCO3,,N、P。COD∶N∶P=200∶5∶1[7,8]、。2.4 UASB UASB。,510 381L,30%,CODCr2000mg/L,1d。[9],,,。CODCr,COD80%7d,。14d,CODCr,,,CODCr2000mg/L、3000mg/L、4000mg/L、5000mg/L、6000mg/L,CODCrCODCr,CODCr6000mg/L,10d。6。6 UASBFigure6 ResultsofUASB□:influent;○:effluent;:CODcrremovalrate 6,CODCr。1dCODCr74.3%,6dCODCr85%,UASB。CODCr6000mg/L,10d,CODCr90%;,0.5mm～2mm。6,,CODCr,,。,。2.5 ,,,,3d,,,UASB,、(BOD∶N∶P=100∶5∶1)[10]。2∶1,,20h,,CODCr,10∶1,DO5mg/L,7。7 Figure7 resultsofcontactoxidation□:influent;○:effluent;:CODcrremovalrate 7:CODCr76%～86%,CODCr100mg/L,;GB8978-1996《》。3 Fischer-Tropsch,Fenton-UASB-CODCr10000mg/L,CODCr、BOD5,pHGB-8978-1996《》,。FentonFischer-Tropsch,pH3,H2O230mL/L,Fe2+1.2g/L,120min,CODCr63%,,BOD5/CODCr0.060.25,,。UASB,UASB,4.8kg～5.76kgCOD/(m3·d),CODCr90%,,0.5mm～2.0mm,。5114 :Fenton-UASB-Fischer-Tropsch ,,。:[1] ,,,,,.Fischer-Tropsch[J].,2008,36(4):478-483.(WULiu-fang,CAOLi-ren,BAILiang,LIYing,JIARui,LIYong-wang.ProducingacetoneandmethanolfromwaterphaseofFischer-Tropschsynthesis[J].JournalofFuelChemistryandTechnology,2008,36(4):478-483.)[2] .[M].:,1989.(StateEnvironmentalProtectionAdministration.Standardmethodsforwaterandwastewatermonitoringandanalysis[M].4thed.Beijing:ChinaEnvironmentalSciencePress,1989.)[3] ,,,.Fenton[J].,2007,16(2):44-46.(FUGuang-long,XUXing-you,FANLi-hua,ZHANGMeng.ExperimentalstudyofFenton'sreagenttreatedlemonacidwastewater[J].JournalofHuaihaiInstituteofTechnology(NaturalSciencesEdition),2007,16(2):44-46.)[4] LIPCZYNSKA-KOCHANYE,KOCHANYJ.EffectofhumicsubstancesontheFentontreatmentofwastewateratacidicandneutralpH[J].Chemosphere,2008,73(5):745-750.[5] ,.Fenton[J].,2005,31(4):56-59.(OUYANGXiu-yong,CHENGuo-hua.TreatmentofalginwastewaterwithFentonreagent[J].TechnologyofWaterTreatment,2005,31(4):56-59.)[6] ,,,,.Fenton[J].,2007,19(11):1177-1179.(TAOChang-yuan,DINGXiao-hong,LIUZuo-hua,DUJun,LIURen-long.Fentonreagents-basedAOPsforpuri