UASB与接触氧化反应器在养殖废水处理工程中的应用周建民

:2007-11-01:(1980-),,,,E-mail:[e-mail]周建民1,郑朋刚2,扈映茹3,端木合顺1(1.,　710600;2.,　710048;3.,　710021)　:250t·d-1,+UASB+++。,《》(GB5084-92),,,600m3,。。:;UASB;:X703;S216.4　　:A　　:1000-1166(2008)02-0021-04TheApplicationofUASBandContactingOxidationReactorinWastewaterTreatmentProjectonLivestockFarm/ZHOUJian-min1,ZHENGPeng-gang2,HUYing-ru3,Duanmu-Heshun1/(1.DepartmentofGeologyandEnvi-ronmentalEngineering,Xi'anuniversityofScienceandTechnology,Xi'anShaanxi,710600;2.Shaanxiexaminationcenterofboilerpressurevessel,Xi'anShaanxi,710048;3.CollegeofElectricandInformationEngineering,ShaanxiUniversityofScienceandTechnology,Xi'anShaanxi,710021)Abstract:Combinedprocessofhydrolyticacidification,UASB,contactingoxidation,bio-oxidationpondandartificialwet-landwasadoptedtotreatthewastewateronapigfarminHenanprovincewithatreatingcapacityof250t·day-1.Theef-fluentqualitystablyachievedorsurpassesTheWaterQualityStandardforFieldirrigation(GB5084-92).Theeffluentwascompletelyusedfornearbyfieldirrigation.Theproducedsludgeusedasfertilizer.Dailybiogasproductionof600m3wasusedforpowergeneration.ItisademonstrationprojectforintensivelivestockfarminginHenanProvinceKeywords:Hydrolyticacidification;UASB;Contactoxidation1　　　,30000,15000。,,,。,,,+UASB+++,《》(GB5084-92),,。2　　　,,,。。2.1　污水水质与达标标准1.1　CODCrmg·L-1BODmg·L-1SSmg·L-1pH6000400015003006～915080100306～92.2　设计处理能力,250m3·d-1,230～260m3·d-1。2.3　工艺流程及说明21ChinaBiogas2008,26(2),、、[1～9]。,,,《》(GB5084-92),,+UASB+++,:1　　　,(),。,,。,,UASB。UASB,()(),,。UASB,、,。,,,,。,,。UASB,,,,,,。,。UASB。。2.4　废水处理工艺特点:1)UASB,。,,,;2)UASB,,UASB;3)UASB,、、、;4),,;5),,;6),,;7)UASB,,,。,。2.5　工艺参数与功能说明(1):、,,、,。7.7,8000×5000×2500mm,,。22ChinaBiogas2008,26(2)(2):。,24,10000×10000×3000mm,,2m,,。(3)UASB:,、、。,,。,CODCr1.5kg·m-3d-1。1017.36m3,508.68m3,Ф9000×8000mm,(,)。(4):。,14.4h,150m3,8000×6250×4500mm。,(Q=3.5m3·min-1,p=50kpa,w=7.5kW)。(5):,,。,1.00m3·m-2h-1,4500×4500×4500mm。(6):。,2340m3,9.4d。(7):。——,、、、、、、、,,,。,5250m2,。(8):200m3,150m3,6,Ф8800×4250mm,Ф8000×4000mm,。3　3.1　工程调试,。:UASB、。3.1.1　水解酸化和UASB调试2.5t(75%),UASB15t(75%),UASBCOD80%,,85。3.1.2　生物接触氧化调试,,。,1.5t(75%)。,1/4UASB,,8,3,,,,,。0.9mg·L-1≤DO≤1.5mg·L-1,,。DO≤0.5mg·L-1,DO≥2.5mg·L-1,,,,,10%～20%(),,,,2mm,,,。,,。,。3.2　运行效果24,20064200610(),。[10]2。1　CODCrmg·L-1BODmg·L-1SSmg·L-1pH79.642.320.618.56～923ChinaBiogas2008,26(2)4　　　175,0.48;2,1000,0.27;3.1,0.35,1.10,10。80%,200m3,1.50·m-3,11;600m3,,1020kWh,372300kWh,22;20,300,6000。23.8,。5　　　+UASB+++。,《》(GB5084-92),(200m3),。(600m3),,,,。,、、。,、,,,。:[1]　　,,,.[J].,2006,25():374-377.[2]　,.[J].,1998,20(4):26-29.[3]　,.[J]..2000,13():105-112.[4]　　,,.[J].,2003,(6):44-46.[5]　,,,.[J].,2002,18(2):71-73.[6]　.—SBR[J].,2001,17(3):8-11.[7]　,,.[J].,1999,20(6):100-102.[8]　.[J].,1999,(2):42-46.[9]　,.ASBR-SBR[J].,2002,7(2):110-116.[10].[M].:,2003.(20)10,。(3),,。,,,。,,,,。:[1]　.[D].:,2004.[2]　,　,.4MWe[J].,2004,25(1):56-62.[3]　,.[M].:,2003.3044.[4]　　.[J].,2001,(5):25-26.[5]　,,.[M].:,2002.6278.[6]　　,,,.[J].,2005,26(6):752-759.[7]　　.———[J].,2002,21(1):3336.24ChinaBiogas2008,26(2)