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当前位置:首页 > 商业/管理/HR > 公司方案 > UASB处理高浓度有机食品废水运行特性研究朱乐辉
ResearchontheoperationcharacteristicsoftreatingwastewaterfromorganicfoodproductionbyusingUASBZhuLehui1,ChengPeng1,QiuJun2,SunJuan1(1.SchoolofEnvironmentalScienceandEngineering,NanchangUniversity,Nanchang330031,China;2.TechnologyPromotionStationsofAnimalHusbandry,Nanchang330031,China)UASB1,1,2,1(1.,330031;2.,330031)[],COD、pH、、;,COD(C0)COD(Ce)Ce=C0e-0.0747t。[];;;[]X703.1[]Β[]1005-829X(2010)10-0070-03Abstract:TheoperatingcharacteristicsofusingUASBprocessfortreatingthehighlyconcentratedwastewaterfromfoodproductionhavebeenstudied.TheoperatingcharacteristicsofthereactorinrespecttotheinfluentCOD,pH,VFA,ALKandtemperatureareanalyzed.Fromthereactionkineticspointofview,therelationshipofinfluentCOD(C0)andtheeffluentCOD(Ce)isCe=C0e-0.0747t.Keywords:upflowanaerobicsludgeblanket;organicfoodwastewater;operatingcharacteristics;reactionkineticsVC(D-,NaC6H7O6)VC(D-,C6H8O6)。:,、,,、。、α-()、α-、、VC()。、COD,。11.1、、1。1.2UASB+(BCO)+(BAF),1。1.3UASB,COD500mg/L,,COD96.5%,UASBCOD80%。—,1、BOD5/(mg·L-1)CODCr/(mg·L-1)SS/(mg·L-1)NH3-N/(mg·L-1)1000~30002000~500030~1003~15//%pH/(m3·d-1)30-200≤0.55~76003010201010IndustrialWaterTreatmentVol.30No.10Oct.,2010UASBBIOFOR170--2010-10,30(10),:UASBUASB。,UASB,。UASB。22.1CODCOD,7~8m3/(m2·d),20h,pH6.5~7.5,15~30℃,350~790mg/L,m(COD)∶m(N)∶m(P)=(200~500)∶5∶1,UASBCODCOD,2。2,UASB,COD2010~2850mg/L,COD74%~84%,COD400~700mg/L,。UASB,2~25kg/(m3·d),UASB2.2kg/(m3·d),〔1〕。,CODCOD,COD,COD:CODCOD,,。2.2pHCODpH〔2,3〕,UASBpHCOD3。3,UASBpH6.2~7.2(,5.8,7.6),pH6.7~7.5,COD80%,UASBpH。2.3UASBVFA、ALK(VAF)(ALK),VAF/ALK0.4,;VFA/ALK0.4~0.8,;VFA/ALK0.8,〔4〕。UASBVFA、ALKCOD4。4,UASBVFA160~320mg/L,ALK260~530mg/L;VFA68~190mg/L,ALK350~790mg/L,VFA/ALK0.08~0.51,80%VFA/ALK0.4,UASBpH。2.4COD〔5〕,UASB,COD5。5,,UASB9.08.58.07.57.06.56.05.51030507090110130150/dpHpHpHCOD1009080706050403020100COD/%3pHCOD71--2010-10,30(10)15℃,。15℃,UASBCOD75%~82%,COD。COD,,,COD。2.5UASBUASB,,。UASB:,Δδ,A,AΔδ,Q,CδCδ+Δδ,Ce,Vb。,AΔδ:QCδ=QCδΔδ+kCδ(AΔδ)。,Δδ=dδ,QA,u=QA,UASB,δt=δμ=δAQ,δ=tQA,,UASB:Ce=C0e-kt。:C0———UASBCOD;Ce———COD;t———UASB。k,y=ln(CeC0),x=t,20、24、30、40h,pH6~7,25~30℃,t,ln(CeC0),6。6,yx:y=-0.0747x+0.0981(1)R=0.976,,95%,yx。y=(CeC0),x=t(1):Ce=C0e-0.0747t(2)3(1)UASBCOD2010~2850mg/L,CODCOD,。(2)UASBpH6.2~7.2(,5.8,7.6),pH6.7~7.5,COD80%;VFA/ALK0.08~0.51,80%VFA/ALK0.4,UASBpH。(3),UASB15℃,UASBCOD75%~82%,COD。COD,,,COD。(4)COD(C0)COD(Ce)Ce=C0e-0.0747t,CODCOD。[][1].—[D].:,2007.[2],.[M].:,2004:30.[3].UASB[D].:,2006:16.[4],.[M].2.:,2000:527-528.[5].[M].:,2000:121-126.[](1963—),1994,,。:13979852180,E-mail:35696515@qq.com。[]2010-05-14()72--
本文标题:UASB处理高浓度有机食品废水运行特性研究朱乐辉
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