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··:2004-07-30:(1971-),,,2002,。UASBVFA张胜华1,郭一飞2,赵宝山2,马 放1(1., 150090;2., 467001) :采用UASB(上流式厌氧污泥床)———生物接触氧化处理啤酒废水,出水水质达到综合排放一级标准,而VFA(挥发性脂肪酸)可直接监测厌氧处理的运行情况。 :UASB;VFA;;;:X703 :A :1001-3644(2005)01-0071-03ApplicationofUASBandVFAinAnaerobicTreatmentofBreweryWastewaterZHANGSheng-hua1,GUOYi-fei2,ZHAOBao-shan2,MAFang1(1.SchoolofMunicipalandEnvironmentEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.PingdingshanInstituteofTechnology,Pingdingshan,Henan467001,China)Abstract:UASB(upflowanaerobicsludgeblanket)-biologicalcontactoxidationisusedtotreatbeerbrewingwastewater.ThefinaleffluentqualitycomplieswiththeclassAofintegratedwastewaterdischargestandard,andVFA(volatilefattyacid)canbeusedtomonitortheoperationalconditionsofanaerobictreatmentdirectly.Keywords:UASB;VFA;brewerywastewater;anaerobictreatment;monitoring1 引 言UASB(),,、、[1]。,。,。,、,(、),,(VFA)。(),VFA,,VFA[2]。2 工程概况2.1 ,,、,,pH。,UASB———,11000m3/d,1。1 (mg/L) pHTSSCODBOD55~11100~3501000~2300600~15006.5210180011506~96590302.2 ,pH,,,UASB,,,,。:※※※※UASB※※※2。—71—2005241DOI:10.14034/j.cnki.schj.2005.01.0202 COD(mg/L)COD(mg/L)(%)UASB18002709027090703 主要构筑物及运行调试3.1 ,,,:20m×17m×5m,3.5h。3.2 UASB4UASB,,,:20m×10m×6m,10h,COD4.3KgCOD/m3·d,,。3.3 :20m×21m×5m,4.5h,COD:1.4Kg/m3·d,16SBQ———Ⅱ/3。,。3.4 、,,:ф25m×5.5m,1m3/m2·h,CG25———BI,0.74Kw。4 VFA的应用4.1 VFA(VFA),VFA,VFA。VFApH、ORP[3],,。4.2 VFA4.2.1 仪器GC122,CDP-2S。4.2.2 测定条件:2m×ф5mm,GDX-103(60~80)+2%H3PO4;:;:190℃;:200℃;:N237ml/min;H2:30ml/minAir:360ml/min;:4mm/min;:2μl;4.3 4.3.1 UASB进水VFA和COD的关系1 UASBVFA/CODCOD2 UASBCODVFA12,VFA/COD0.36。VFA/COD0.35,,,UASB[4]。VFA,UASBVFA,,VFAUASB,COD。4.3.2 UASB出水VFA及COD去除率UASB,VFA,VFAVFA,。,VFA200mgHAc/L。3,UASBVFA,,COD,91.8%(1),—72—2005241UASB。VFA,,。3 UASBCODVFA4.3.3 pH值对VFA的影响UASB,pH6.5~7.8,。pH6.5,,pH6.0,,。,。pH,VFApH(3),pHVFA。,VFA,,pH,pH。VFA,pH。VFApH[5]。3 VFApHpH6.56.87.07.27.47.77.9VFA(mgHAc/L)48012501700231051408220114605 结 论UASB—,VFA,,,GB8978—88,4。4 (mg/L) CODCrBODTSSpH1010~3517562~1993510~11395.9~10.319~89.67~3119~277.7~9.115050706~9(%)97~9898~9998:[1] .()()[M].:,2000.594-599.[2] .—[M].:,1999.331-335.[3] ,.[J].,2000,33(6):31-34.[4] .VFA[J].,1997,18(2):51-55.[5] .[M].:,1998.510-512.(上接第64页)[11] SDyreborg,EArvin,KBroholm.BiodegradationofNSO-com-poundsunderdifferentredox-conditions[J].Journalofcontaminanthydrology,1997,25:177-197.[12] ,.[J].,1996,14(1):10-13.[13] .[D].:,1999.[14] .[D].:,2003-01.[15] MarrtinGFowler,PaulWBrooks,MargaretNorthcott,MarkWGKing,etal.Preliminaryresultsfromafieldexperimentinvestigatingthefateofsomecreosotecomponentsinanaturalaquifer[J].Geochem,1994,22(3~5):641-649.[16] SMLiu,WJJones,JERogers.Influenceofredoxpotentialontheanaerobicbiotransformationofnitrogen-heterocycliccompoundsinanoxicfreshwatersediments[J].ApplMicrobiolBiodegradation,1994,41:717-724.[17] ,.[J].,1996,12(4):30-32.[18] Ji-DongGu,YanzhenFan,HanchangShi.Relationshipbetweenstructuresofsubstitutedindolecompoundsandtheirdegradationbymarineanaerobicmicroorganisms[J].MarinePollutionBulletin,2002,(45):379-384.[19] ,,.[J].,2001,29(6):720-723.[20] .[D].:,2003-03.[21] ,.[J].,2001,21(4):416-419.—73—2005241
本文标题:UASB及VFA在啤酒废水厌氧处理中的应用张胜华
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