UASB及VFA在啤酒废水厌氧处理中的应用张胜华

··: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