UASB反应器处理垃圾渗滤液的启动研究方程冉

浙江科技学院学报,第19卷第2期,2007年6月JournalofZhejiangUniversityofScienceandTechnologyVol.19No.2,June2007:2007-04-16:(50478083):(1977—　),,,,,。UASB方程冉1,2,吴征宇3,龙於洋2,李　岚1,沈东升2(1.,310023;2.,310029;3.,200042)　:,(UASB)。,,UASB,UASB。:,,95d,。COD5250mg/L,COD85%,COD8.4kg/(m3·d),5.0m3/(m3·d),。:UASB;;;:X705　　　　:A　　　:1671-8798(2007)02-0125-04Start-upMethodofUASBforLandfillLeachateTreatmentFANGCheng-ran1,2,WUZheng-yu3,LONGYu-yang2,LILan1,SHENDong-sheng2(1.SchoolofArchitectureandCivilEngineering,ZhejiangUniversityofScienceandTechnology,Hangzhou310023,China;2.DepartmentofEnvironmentandResource,ZhejiangUniversity,Hangzhou310029,China;3.ShanghaiJinganEnvironmentalMonitoringStation,Shanghai200042,China)Abstract:Landfillleachate,akindofhighorganicwastewater,hasbeenprovedtobetreatedbyUASBeffectively.Researchontherapidstart-upofUASBisstudiedusingthedifferentconcen-trationoflandfillleachateasinfluent.Itshowsthatthestart-upcanbecompletedin95daysbyincreasingtheloadingofthereactorstepbystepwithcommonanaerobicsludgeastheseedsludge.Meantime,theinfluentCODconcentrationis5250mg/L,theCODremovalrateis85%,theorganicloadingCODis8.4kg/(m3·d),thenetgasyieldis5.0m3/(m3·d)andsomegranularsludgeisformedatthebottomofUASB.Keywords:UASB;bioreactorstart-up;landfillleachate;wastewatertreatment　　、,,。,,[1]。,77,(COD)(BOD)[2]。,。(UASB)BODCOD,[1,3,4]。,,UASB,、、UASB,,UASB。1　1.1　,。,COD5250mg/L。1。1　/(g·L-1)KH2PO47.3NaHCO333NH4Cl0.3K2HPO4·3H2O2.527.5　　UASB,14L,:150×1000,10cm,5cm,85cm,。1。1　UASB1.2　UASB,(30±1)℃,,,(2)。(COD3000mg/L)。UASB,8L((60%V),VSS10.3g/L;7L,COD5000mg/L,HRT48h;COD2.5kg/(m3·d);:1.11cm/h。2　COD/dCOD/(mg·L-1)/%/%/(L·d-1)1～55000100(5000mg/L)07.06～10260087.5(2600mg/L)12.5(2625mg/L)11.211～15290075(3000mg/L)25(2625mg/L)14.016～36290065(3050mg/L)35(2625mg/L)14.037～50352065(2590mg/L)35(5250mg/L)14.051～71426640(2790mg/L)60(5250mg/L)18.772～81525015(5250mg/L)85(5250mg/L)18.782～9552500100(5250mg/L)22.41.3　COD:;pH:pHS-3;:;:GC-9160-HD。2　UASB,COD。COD80%,(VLR)。UASB,:;,;,2。UASBCOD2.5kg/(m3·d),COD80%,[5]。12619,UASB,COD5000mg/L。COD80%,3～5d。2.1　UASBCODUASB、CODCOD2。2　UASBCOD,UASBCOD,5,COD5000mg/L,HRT48h,COD95%。6,,UASB,COD2600mg/L,COD,,80%COD。,COD,。1116,COD,COD,80%。37,35%,COD3520mg/L,COD66.6%,10d,。5172COD,,COD80%。82,,3～4d,UASB,,COD5250mg/L,COD85%。2.2　UASBHRTVLRUASBHRTVLR3。3　UASBHRTVLRCOD,COD80%。HRT,HRT48h,6、11、51、8230、24、18、15h。COD,62.1kg/(m3·d)UASB8.4kg/(m3·d)。2.3　UASBpH4,,pH,6.9～7.0,pH,,pH7.0～7.5。,。,,[6]。4　UASBpH2.4　UASB5,,。COD2.1～2.5kg/(m3·d),1.2～1.5m3/(m3·d)。COD2.9～5.7kg/(m3·d),2.0～3.2m3/(m3·d)。5.0m3/(m3·d)。,CH4CO2CH450%～55%,CO242%～48%。1272,:UASB5　UASB2.5　UASB,[6]。,(COD5250mg/L),COD80%。,,1mm,,。,UASBCOD,,。3　　、、UASB,UASB,UASB。1)UASB,95COD5250mg/L,COD85%;COD8.4kg/(m3·d)。2)UASBpH,,pH7.0～7.5。5.0m3/(m3·d)。CH450%～55%。3),,,。。:[1]　.[M].:,2003.[2]　,.———[J].,2006,40(6):769-773.[3]　,,.[J].:,2004,30(3):252-258.[4]　,.UASB[J].,2006,28(1):85-88.[5]　,,,.UASB--[J].,2003,16(S1):32-34.[6]　,,,.UASB[J].,2005,28(2):22-23,113.12819