UAFSB反应器处理畜禽废水的快速启动谢勇丽

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2712008 2  四 川 环 境SICHUANENVIRONMENT  Vol.27,No.1February2008··:2007-08-13:(2006a057);(2007NGY006)。:(1983-),,,2005,。UAFSB谢勇丽,赵国斌,谢 晴,刑建晶,夏 杰,邓仕槐(, 625014)  :对UASB反应器进行改型,得到UAFSB,并结合UASB反应器快速启动的驯化方式,比较分析用畜禽废水直接启动加颗粒活性炭与未加颗粒活性炭的运行过程和结果。试验结果表明:絮状污泥接种后经过54天的驯化,进料COD浓度由800mg/L提高到5000mg/L,去除率基本稳定在90%以上,均达到预期目的;在污泥中掺入颗粒活性炭,反应器的启动时间有所缩短、抗冲击能力有所加强。  :UAFSB;;;COD;:X703.1    :A    :1001-3644(2008)01-0027-04StudyonSwiftStart-upofUpflowAnaerobicFacultativeSludgeBlanket(UAFSB)ReactorTreatingLivestockWastewaterXIEYong-li,ZHAOGuo-bin,XIEQing,XINGJian-jing,XIAJie,DENGShi-huai(DepartmentofEnvironmentalScienceEngineering,SichuanAgricultureUniversity,Ya′an,Sichuan625014,China)  Abstract:InthisstudyUAFSBreactorwasdevelopedfromtheUASBreactor.Itwasappliedtocomparetwoprocesses,i.e.,treatinglivestockwastewaterbyaddingandnotaddinggranularactivatedcarbon(GAC)respectivelyduringstartingup.Theresultsshowedthatbyacclimationfor54daysfrominoculationwithactivatedsludge,theinfluentconcentrationofCODincreasedfrom800mg/Lto5000mg/Landtheremovalratealmostkeptat90%ormore.Bothofthemreachedtheexpectedaims.Itconcludedthatadditionofgranularactivatedcarbonintothesludgecouldshortenthereactor′sstart-upandincreasethecapacitytobearshockofload.Keywords:UAFSB;start-up;livestockwastewater;COD  、,,,、,。,[1]。、,,,[2,3]。,、、、、、[4,5]。UASB()[6],,、、、、,。UASB,(UAFSB),UASB,。UAFSBUASB,UAFSB。DOI:10.14034/j.cnki.schj.2008.01.0031 实验装置概况  UAFSB()UASB。,。(8h,0.2~0.8mg/L),。UAFSB1,。,,,,,,。1 Fig.1 Experimentalequipment1.;2.;3.;4.;5.;6.;7.;8.;9.;10.;11.;12.;13.。  UASB,,:(1),UAFSB;(2)(:、);(3)。,。  UAFSB:①UASB;②。2 材料与方法2.1 UAFSB,1。,13cm,12cm,35cm,5L。2.2 。(、、、、、)、,,。1。1 Tab.1 Influentwastewaterquality(mg/L)pHCODTNTPSS6~83000~7000100~20020~60980~12302.3   2。2 Tab.2 PropertiesofinoculatingsludgeVSS/SSSVI(mL/g)3L50%0.52162.4 、、,,,,。[6]UASB,3~61。Yu[7]UASB,(PAC)(GAC)。:95d,PACGAC25d35d。、,,。,300ml0.43~0.50mm。2.5 3。[8]。3 试验结果及分析  UAFSB,,,1#。28                  四川环境273 Tab.3 Themonitoringitemsandcorrespondingmethods (CODCr)(TSS),105℃(VSS)600℃2h(SVI)1g30pHPHS-3C+,2#。,,COD557mg/L4300mg/L,,54,。,、。2。2 UAFSBFig.2 InfluentandeffluentCODduringstart-upoftheUAFSBreactor3.1.1 污泥活性恢复11,,,。,500mgCOD/L,,25℃,35℃。24h,,,。500~900mgCOD/L,0.8kgCOD/(m3·d),pH6.1~7.5。,,50mL/h200mL/h。23。3 UAFSBFig.3 Operationperformanceduringstart-upoftheUAFSBreactor  23,,CODCOD,,、,;4,,11,75%,,。,。1#2#,1#,。3.1.2 提升负荷阶段,。900~4500mgCOD/L(COD),,COD,。COD80%,pH7.02~3d,,0.5kgCOD/(m3·d)。,32d。0.8kgCOD/(m3·d),10kgCOD/(m3·d)。24。  24,COD900mg/L4096mg/L,COD,,,80%,291      :UAFSB4 UAFSBFig.4 Performanceduringload-increasingphaseoftheUAFSBreactor,COD1350mg/L2217mg/L,85%60%,,36,COD3204mg/L4059mg/L,10%。1#2#,,1#2#;32,1#90.6%2#,,。,UASB。,,,,;,,,。3.1.3 稳定运行阶段5 UAFSBFig.5 PerformanceinsteadystateoftheUAFSBreactor  ,,,。  25,47,COD4000mg/L,90%。,COD6477mg/L,COD85%,,90%,,(COD3000~7000mg/L,4000mg/L)1#。4 结 论4.1 UAFSB,54,COD800mg/L5000mg/L,90%。4.2 ,。:[1] ,.[J].,1998,16(2):31-33.[2] .[M].:,1996.[3] , , .[J].,1999,17(2):11-13.[4] , .[J].,2000,(9):9.[5] ,.[J].,2001,11(S1):72-74.[6]  .UASB[J].,1996,12(5):16-19.[7] YuHQ,TayJH,etal.Effectofaddedpowderedandgranularactivatedcarbonsonstart-upperformanceofUASBreactors[J].Environ.Techno1,1999,20:1095-1101.[8] .()[M].:,1987.30                  四川环境27

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