EGSB反应器处理米酒废水的启动方法研究郭晓燕

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:,,1975,,,。EGSB反应器处理米酒废水的启动方法研究郭晓燕1 张振家2(1., 300071;2., 200240) 、3,。EGSB,UASB。,2~3kgCOD/(m3·d),pH8;,。EGSB,20kgCOD/(m3·d),COD70%。  EGSB  StudyonthestartingupofExpandedGranularSludgeBedreactorfortreatingrise-winewastewater GuoXiaoyan,etal. CollegeofEnvironmentalScience&Engineering,NankaiUniversity,Tianjin300071Abstract:Therise-winewastewater,consistingoftherisecleaningwaterandsoybeanboilingwateranddistilledspiritresidue,wasatypicalkindofhighstrengthwastewater.TheEGSBreactorfortreatingthiswastewaterundermesophilicconditions(35±2℃)wasstarteduprapidly,inoculatedwiththeanaerobicgranularsludgeobtainedfromafull-scaleUASBreactortreatingbrewerywastewater.TheEGSBreactorwasoperatedtoincreasetheorganicloadingrateinalowerincrementrangingfrom2~3kgCOD/(m3·d)tomakethereactorperforminastableway.ItwasusefulfortheEGSBreactortooperatesmoothlythatthepHoftheeffluentwasmaintainedabove8.TheEGSBreactorreached20kgCOD/(m3·d)andthetotalCODremovalefficiencywasabove70%.Keywords:Anaerobictreatment EGSBreactor rice-winewastewater Startingup  (ExpandedGranularSludgeBed,EGSB)、、,[1]。1998,[2]、[3]、,。,、()。,EGSB。1 1.1 试验装置1。EGSB,、,21.5L,4L,17.5L,13,35±2℃。EGSB,,。1.2 试验方法,EGSB,UASB,1 EGSB1.;2.;3.EGSB;4.;5.;6.;7.;8.SS59g/L,VSS46g/L,15L。EGSBCOD3000mg/L,35℃。,COD42000~44000mg/L,pH5.0~6.0。,,。2 2.1 种泥驯化阶段EGSB·107· EGSBDOI:10.15985/j.cnki.1001-3865.2004.02.010,,(VFA)148mg/L,9,3kgCOD/(m3·d)。,8~10kgCOD/(m3·d),4~5d,COD,VFA,,pH6.9,。,,pH7.8,3kgCOD/(m3·d),,2kgCOD/(m3·d)5kgCOD/(m3·d),4d,7.5kgCOD/(m3·d),6d,10kgCOD/(m3·d),COD95%,VFA200~300mg/L,(1)。,。2.2 负荷提高阶段1 /d/kgCOD·m-3·d-1COD/%VFA/mg·L-1/mg·L-1pH3~72.59015020008.38~1049513020008.311~13109428025008.014~17880→501000→22002000→12508.0→6.919~25350→921000→12020007.8→8.526~2959418522008.030~357.59418530008.336~41109330040008.3  10kgCOD/(m3·d),5kgCOD/(m3·d)15kgCOD/(m3·d),COD、VFA、pH,,3kgCOD/(m3·d)20kgCOD/(m3·d),,。2。2 /d/kgCOD·m-3·d-1COD/%VFA/mg·L-1/mg·L-1pH42~5414.590→80→90900→1800→55045007.4→7.1→7.855~561683170050008.057~602078250050008.03 3.1 容积负荷对COD去除率的影响2,,COD。15kgCOD/(m3·d),COD90%,20kgCOD/(m3·d),COD,78%。,3kgCOD/(m3·d),COD90%,10kgCOD/(m3·d),COD50%,。,,,,3kgCOD/(m3·d)5kgCOD/(m3·d)7.5kgCOD/(m3·d)、10kgCOD/(m3·d),COD90%;10kgCOD/(m3·d)15kgCOD/(m3·d),;,COD。,。3.2 pH对COD去除率的影响,,pH。3,,COD80%50%,pH8.06.9;,pH。,pH。pH8.3,。2 COD3.3 碱度对COD去除率的影响,,,。4。,2000~5000mg/L。,pH,Na2CO3,3gNa2CO3/L,,2500mg/L,,。,,pH8.0,2000mg/L,·108·  26 2 200443 pH。,pH,。,。4 3.4 VFA对COD去除率的影响VFA()。,。5VFA。,15kgCOD/(m3·d),VFA,,。,,VFACOD,,VFA。,,,VFA,COD。5 VFA4  (1),UASB。(2)EGSB,20kgCOD/(m3·d),COD70%。(3),2~3kgCOD/(m3·d),pH8;,。(致谢:本试验工作得到了广东省九江酒厂有限公司梁海全、何松贵、黄广宇等先生的大力支持和帮助,南开大学朱花同学参加了本试验工作,在此一并表示深深的谢意!)1 LettingaG,FieldJ,VanLJ,etal.Advancedanaerobicwastewatertreatmentinthefuture.Wat.Sci.Tech.,1997,35:5~122 ,,..,2001,22(4):114~1163 ,, .UASB.,2002,22(1):28~30责任编辑:陈泽军 (:2003-08-15)(上接第88页),。,。,。1  ,,..,2000,20(6):524~5272 TuCM.Effectoffourexperimentalinsecticidesonenzymeactivitiesandlevelsofadenosinetriphosphateinmineralandorganicsoils.Sci.HealthJEnviron.PartB,1991,25(6):787~8003 BanerjeeBD,SethV,BhattacharyaA.Biochemicaleffectsofsomepesticidesonlipidperoxidationandfree-radicalscavengers.ToxicologyLetters,1999,107:33~474 ,,.-.,2000,21(4):94~975 ,..:,1986.255~2586 ,,.-.,2000,58(6):652~6557 ,,..,1998,26(4):477~4848 ,, ..,1998,26(2):154~157责任编辑:陈泽军 (:2003-09-10)·109· EGSB

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