EGSB反应器处理半化学草浆制浆废水的研究刘春

中　国　造　纸　学　报TransactionsofChinaPulpandPaperVol.25,No.3,2010EGSB刘　春1　张安龙2　管秀琼1(1.,,643000;2.,,710021)　:(EGSB),,VLR()2.192kgCOD/(m3·d),VLR,CODCr70%;(HRT)4.9h,VLR25.820kgCOD/(m3·d),CODCr68.8%～78.0%;pH,pH。:EGSB;;;:X793　　　　:A　　　　:1000-6842(2010)03-0042-05　:2010-03-23()　:　,,1982;;:。E-mail:[e-mail]　　,,。,,CODCr400～600kg/t,,、。(EGSB)UASB,、、、[1],、、、、[2-5]。(HRT)、(Vup)、(VLR)、pHCOD,EGSB。1　　1.1　EGSB,EGSB1313mm,19.65L,1000mm,9.6L,EGSB10∶1。EGSB8。50mm。EGSB,,。EGSB。1。1　EGSB1.2　,,。。1。42　25　3EGSB1　CODCr/mg·L-1BOD5/mg·L-1SS/mg·L-1pH52741400400～5007.51.3　。IC(PAQUES),。,。2。2　TSS/g·L-1VSS/g·L-1VSS/TSS/%62.2651.680.8301.4　[6]COD;BOD5;SS、VSS、TSS;pH。2　3　EGSB/d/%/CODCr/mg·L-1HRT/h/L·d-1Vup/m·h-1/kgCOD·(m3·d)-1/SS/mg·L-1pHCODCr/%1～3151098/32912.019——2.19137/578.0970.04～22201509/4136.4363∶10.6255.66246/928.0372.623～41502274/6126.4366∶11.0948.53321/1127.9773.142～60603098/7656.4369∶11.5311.62398/1138.1075.361～67804315/9786.43611∶11.87516.18421/967.8977.3　　。4　EGSB/dHRT/h/L·d-1/CODCr/mg·L-1Vup/m·h-1/kgCOD·(m3·d)-1/SS/mg·L-1pHCODCr/%68～746.4365274/116013∶12.18819.78487/1057.9278.075～855.8405274/120213∶12.43121.98481/1148.1077.286～965.1455274/129713∶12.73424.72493/1308.1275.497～1074.8485274/243713∶12.91726.37486/2468.1353.8108～1124.9475274/164513∶12.85625.82497/1758.1768.8　　。2.1　EGSBEGSB20gVSS/L,。CODCr1098mg/L,NaHCO3pH7.8～8.0,EGSBm(CODCr)∶m(N)∶m(P)=200∶5∶1,,EGSB35℃,HRT=12h。IC,,3,。。4,HRT6.4h,,CODCr70%,VFA5mg/L。67,CODCr5274mg/LEGSB。19.78kgCOD/(m3·d)。,。34。,EGSB。,,,,,,,。,,43EGSB25　3,EGSB,。,,,。,CODCr,,75%;VFA、,VFA5mg/L、2200mg/L;,,※※,,,;,,;,,,,,,。,、。EGSB,,CODCr77.5%,EGSB。2。2　VLRCODCr2.2　EGSB。,CODCr5274mg/L,EGSB19.78kgCOD/(m3·d),EGSB,。4,7511238,,CODCr,,70%。2.3　、EGSB(OrganicLoadingRate,OLR)、,,EGSB。,,。(VLR)(SLR),。2,,EGSB,。1CODCr78%,2,HRT(3),EGSB,,,,HRT5.8h,CODCr77.2%,26.73kgCOD/(m3·d),48L/d,HRT4.8h,SS,CODCr53.8%,。,CODCr,68.8%。,EGSB,25.82kgCOD/(m3·d),HRT4.9h。,,,EGSB。3　HRTCODCrHRT。,,;,,,EGSB44　25　3EGSB。HRT。EGSB,,HRT,EGSB。2.4　pHEGSB,、pH,45。pH7.8。pH,(pH),;(pH7)(pH7),[7]。、pH7.8,EGSB。5EGSB7585EGSBpH。。5,pHEGSB※※。,EGSB,、,、,,pH;,,pH,。,,pH(),8.1。EGSBpHEGSBVFA,EGSB。45,。EGSB:①,;CODCr,;②,。,[8],,EGSB。5、pH,2.3。3　　3.1　(EGSB),EGSB2.192kgCOD/(m3·d),,CODCr70%。4.9h,25.82kgCOD/(m3·d),CODCr68.8%～78.0%。3.2　pH7.8,CODCr,EGSB,EGSB,pH。　　　[1]　LettingaG,FieldJ.AdvancedAnaerobicWastewaterTreatmentinTheNearFuture[J].WatSciTech,1997(35):5.[2]　,　,.EGSB[J].,2005,23(1):17.[3]　MarioKatoT,JimFieldA.TheanaerobictreatmentoflowstrengthwastewatersinUASBandEGSBreactors[J].WatSciTech,1997(36):375.[4]　VanDerLastARM,LettingaG.AnaerobictreatmentofdomesticsewageundermoderateClimatic(Dutch)conditionsusingupflowre-actorsatincreasedsuperficialvelocities[J].WatSciTech,1992,25(7):167.[5]　RebacS,etal.High-rateanaerobictreatmentofmaltingwastewaterinapilot-scaleEGSBsystemunderpsychrophilicconditions[J].Chem45EGSB25　3TechBiotechnol,1997,68:135.[6]　.[M].4.:,2002.[7]　,,　.[M].:,2003.[8]　　.+[D].:,2006.StudyontheTreatmentofEffluentfromSemi-chemicalStrawPulpingwithExpandedGranuleSludgeBedReactorLIUChun1,＊　ZHANGAn-long2　GUANXiu-qiong1(1.ResearchInstituteofPaperScienceTechnology,SichuanUniversityofScienceandEngineering,Zigong,SichuanProvince,643000;2.CollegeofPapermakingEngineering,ShaanxiUniversityofScienceandTechnology,Xian,ShaanxiProvince,710021)(＊E-mail:[e-mail])Abstract:Thestudyresultsofthetreatmentofeffluentfromsemi-chemicalstrawpulpingwithexpandedgranulesludgebed(EGSB)reactorindicatedthattheEGSBreactorstarted-upatthevolumeloadingrateof2.192kgCOD/(m3·d),itsCODCrremovalratemaintainsabove70%intheprocessofincreasingvolumeloadingrategradually.TheminimumHRTcanbeshortento4.9h,themaximumVLRcanbereachedto25.820kgCOD/(m3·d)andtheCODCrremovalratecanbekepton68.8%～78.0%;Theconsumptionofalkaliusingforin-fluentpHadjustmentcanbereducedbycirculatingtheeffluentwhenthepHvalueoftheeffluentishigherthanthatoftheinfluent.Keywords:expandedgranulesludgebedreactor;semi-chemcialstrawpulpingeffluent;runningstatus;influencingfactor(责任编辑:赵旸宇)　　《》20101“”,,:1.(3)Υ2Υ0,:A=(γR2/V)∫Υ1Υo(sinΥ1-sinΥ)dΥ2.(5),:Υ0=sinΥ1-{sin2Υ1+2〔VA/(γR2)-Υ1sinΥ1-cosΥ1+1〕}0.53.“5.1”,(Υc-Υ0)(Υc+Υ0),:X2=(R+a0/6+4ac/5)cos〔(Υc+Υ0)/2〕Y2=(R+a0/6+4ac/5)sin〔(Υc+Υ0)/2〕4.(17)2KBKB,:a=2〔(1-K)stgθ-KB〕/〔(2K-1)s2〕。46