IC许英杰(,201600):对生产性IC反应器处理酒精废水的启动过程及其处理效率进行研究。当进水COD浓度为15000mgL条件下,出水COD仅有500mgL左右,COD去除率在95%以上。在反应器启动初期曾因操作失误出现酸化现象,后来经过投加NH4HCO3和厌氧出水中和调节pH,反应器内部环境得到一定的改善,到启动结束时,两个反应器内pH均稳定在6.8左右,VFA也下降到400mgL左右。:IC反应器;酒精废水;生产性;启动RESEARCHONSTART-UPOFFULL-SCALEICREACTORTREATINGETHANOLWASTEWATERXuYingjie(ShanghaiVocationalandTechnicalCollegeofAgricultureandForestry,Shanghai201600,China)Abstract:Thestart-upandefficiencyofICreactortreatingethanolwastewaterwerestudied.DuringtheoperationifCODoftheinfluentwascontrolledatabout15000mgL,thatoftheeffluentwouldbeonly500mgLorso.TheCODremovalratewasabove95%.Intheinitialstageofstart-up,theoperatingerrorcausedtheacidification.AfteraddingNH4HCO3andregulatingpHofthereactors,theinternalenvironmentofthereactorswasimproved.Totheendofthestart-up,pHinthereactorsroseto6.8,andVFAdroppedto400mgL.Keywords:ICreactor;ethanolwastewater;full-scale;start-up (internalcirculation,IC)PAQUES20803[1]。PAQUES19851IC,[2]。1986。IC[3-8],PAQUES,。,IC,IC。1 1.1 试验材料。1。。COD,,COD30000mgL,,IC(IC),1∶1,COD15000mgL。,pH,,NH4HCO3,pH5.0~6.0,NH4HCO3200gm3。1 ℃ρ(COD)(×104mg·L-1)ρ(SS)(×104mg·L-1)pH85~909~115~83.6~4.068~703~4.50.5~13.6~4.048~602.5~30.3~0.83.6~4.0 ,:1);2)。1.2 试验装置IC,1。33 200910275DOI:10.13205/j.hjgc.2009.05.009,,1#2#。22m,18m,7m,692m3。,1~9m,9~18m。4m。6,1,2,3,9,10,11m。1 IC2 2.1 IC反应器的启动运行概况IC(75%),1#13.40gL,2#10.85gL。2m3,。,。55d。1∶1COD15000mgL,pH5.0~6.0。,,20NH4HCO3pH,NH4HCO3200gm3。,,ICpH,pH。350kgd,COD3000mgL。COD80%,23%。pH、、COD。2.2 COD去除情况,ICCOD2。2,1#、2#COD。,COD(a)1#(b)2#2 ICCOD。3COD1500mgL,4~51000~1500mgL,5COD1000mgL。55,COD500mgL,COD95%。,,COD。,,,HRT,COD。HRTCOD3。(a)1#(b)2#3 COD2.3 IC反应器内pH与VFA的变化,pH,pH3.6~4.0,IC,,,。34 200910275pH,NH4HCO3pH5.0,NH4HCO3200gm3;,。,IC,,pH。IC,,,pH5.5,2#VFA1731mgL,1#VFA1500mgL。,,pH,VFA。,pH6.8,VFA400mgL(4)。(a)1#(b)2#4 pHVFA3 1)55d, ,COD。COD15000mgL,COD500mgL,COD95%。2),NH4HCO3pH,,,pH6.8,VFA400mgL。[1] ,,,.(IC)[J].,2001,17(1):26-29.[2] PereboomJHF,VereijkenTLFM.Methanogenicgranuledevelopmentinfullscaleinternalcirculationreactors[J].WatSciTech,1994,30(8):9-21.[3] ,,,.IC[J].,1998(4):22-24.[4] HabetsLHA,EngelaarAJHH,GroeneveldH.Anaerobictreatmentofinulineeffluentinaninternalcirculationreactor[J].WatSciTech,1997,35(10):189-197.[5] ,.IC[J].,2001,19(2):12-15.[6] .IC[J].,2002(4):77-78.[7] .———IC[J].,2002,13(3):21-23.[8] ,,,.IC[J].,2004,23(4):777-781. 201600 E-mail xuyingjie1108@163.com2008-12-12(13)2),:pH3~4,30%H2O215mLL,FeSO4·7H2O2gL,30min,2h。3)BIOFOR,,GB8978-1996。4),5~8℃,,。[1] ,,.[J].,2003,21(6):77-79.[2] ,,,.Fenton[J].,2008,47(2):109-113.[3] ,,,.Fenton-[J].,2008,34(7):51-54.[4] ,,.--[J].,2002,28(5):50-53.[5] ,,,.COD[J].,2007,27(6):22-24. 330031 30328E-mail lmqiujun@163.com2008-11-2435 200910275