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UASBLettingaG[1]。UASB、、[2-3]。UASB[4-5]。UASB。UASB。UASB。UASB。11.1UASB148mm377mm50mm5L。1。1.2ρ(VSS)/ρ(TSS)0.5350%1。。、、NaCl。2。VSSTSS0.1mm0.1～0.3mm0.3～0.45mm0.45mm8.51016.1583.1615.441.4000w/%ρ/mg·L-11Tab.1SludgequalityUASB510006UASB、。COD109dUASBCOD11.2g·L-1COD3.22kg·m-3·d-1COD80%0.3mm13.61%22.04～26.73m·h-1COD392mL。。UASBX703.1A1000-3770(2011)03-0112-0042010-09-1984－18998498826E-maillifangzi1984@163.com020-39380568E-mailpli@scut.edu.cn1UASBFig.1Schematicdiagramofupflowanaerobicsludgeblanketreactor37320113TECHNOLOGYOFWATERTREATMENTVol.37No.3Mar.,2011112DOI:10.16796/j.cnki.1000-3770.2011.03.0271～78～3132～8283～9495～103104～1098484848472840.84～0.860.86～0.880.88～3.213.21～3.223.22～3.763.76～3.228.51～6.326.32～8.938.93～19.6619.66～20.2819.73～20.3120.18～20.2572～9672～9685～352362～399354～374370～38175～10368～114107～346362～427348～385386～4336.9～7.36.9～7.36.9～7.36.9～7.36.9～7.36.9～7.36.5～6.86.8～7.67.2～7.77.3～7.77.2～7.57.2～7.73Tab.3Operatingparametersofreactor/dHRT/hCOD/kg·m-3·d-1ρ(VSS)/g·L-1ρ(NH4+-N)/mg·L-1pH1.31.3.1UASBCOD3g·L-12d1pH6.8～7.8pH。33～35℃。CODCOD80%COD1g·L-1。HRT84h。1.3.27dTSS10g·L-1。COD4g·L-1100mL35℃24h。150mL。1.3.3COD、pH、NH4+-NVSS、TSS[6][7]。22.1COD、VSSUASB109d、COD2COD、VSSNH4+-N、pH3。COD3g·L-1。1～7COD20%VSS6.32g·L-110dCOD40%31COD81.03%。32COD。COD0.843.22kg·m-3·d-1VSS8.9319.66g·L-1COD。COD3.21～3.76kg·m-3·d-1、80%、COD2.048～2.180g·L-1、VSS20g·L-1。VSS。COD80%。COD。80%94HRTHRT72h、COD3.75kg·m-3·d-1COD60%。104HRT84h80%。HRTSS6.5～7.511.0～11.5334～360983～1018～69509.785～10.0～7.62Tab.2TestwaterqualitypHCOD/g·L-1TNNH4+-Nρ/mg·L-1/g·L-1/g·L-12、CODFig.2VariationofCODconcentrationandremovalefficiencyoftheinfluentandeffluentatdifferenttime020406080100120024681012COD/g L /d 020406080100COD/% UASB113。2.2NH4+-NpHNH4+-NpH2[8]。31～7dpH6.5。pHpH。30dpH7.2～7.7。NH4+200～1000mg·L-1[9]。433mg·L-1。NH4+-NVFA、CO2。2.3317d4。Schmidt0.14～5.0mm[5]。。0.45mm0.3mm1.4%13.61%。。Grotenhuis[10-11]。2.4UASB。Schmidt320m·h-118～50m·h-150～100m·h-1。2[5]。30、60、905。5。[12]。。2.5。331ρ(VSS)/ρ(TSS)CODV。3。COD392mL31138mL184%。COD0.525L74%。0.1mm0.1～0.3mm0.3～0.45mm0.45mm3138455259667380879479.6575.6070.5166.1962.9360.7458.3054.2051.1848.3818.5522.2626.6130.2732.9834.4436.1936.8537.6438.011.802.142.452.873.263.734.215.887.028.03000.430.670.831.091.303.074.165.584Tab.4Sizedistributionofgranulesinreactoratdifferenttime/dw/%0.1～0.3mm0.3～0.45mm0.45mm30609011.2511.5812.2522.0423.6523.8325.3626.4826.735Tab.5Averagesettlingvelocityofgranularsludge/d/m·h-13ρ(VSS)/ρ(TSS)Fig.3Variationofρ(VSS)/ρ(TSS)andbiogasproductionatdifferenttime V/mL/d (VSS)/(TSS)373114!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!CHARACTERISTICSOFSTART-UPPERIODINUASBREACTORFORTREATINGHIGHCONCENTRATIONSOFNUCLEOTIDEWASTEWATERLiFangzhi,LiPing,WuJinghua,WangXiangde(CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofTechnology,theKeyLaboratoryofPollutionControlandEcosystemRestorationinIndustryClusters,MinistryofEducation,Guangzhou510006,ChinaAbstract:Thestart-up,thecharacteristicsofgranularsludgeandthetreatmenteffectofanup-flowanaerobicsludgeblanket(UASB)reactorundermid-temperaturewerestudied.TheNucleotidewastewaterwithhighconcentrationwasusedastreatingobject.Experimentresultsshowedthatitspent109dtostartupUASBbygraduallyincreasingtheconcentrationoftheinfluentNucleotidewastewater,andtheseedsludgewasthemixtureoftheflocculatedsludgeandthedigestionsludge.TheremovalrateofCODcouldreachabove80%whenthevalueofinfluentCODconcentrationwasaround11.2g·L-1andtheorganicloadingwas3.22kg·m-3·d-1.Afterthestart-up,thepercentofthegranularsludgelagerthan0.3mmwasincreasedto13.61%andtheaveragesettlingvelocitywasintherangeof22.04~26.73m·h-1.Comparedwiththeearlygranularsludge,methaneproductionofmaturegranularsludgewasimprovedto392mL·g-1(COD).Asaresult,theUASBreactorcanbeoperatedwell.Keywords:nucleotidewastewater;up-flowanaerobicsludgeblanket;anaerobicgranularsludge3、CODUASB。UASB109dCOD11.23～11.28g·L-1、COD3.22kg·m-3·d-1、HRT84hCOD2.048～2.180g·L-1COD80%。pH7.2～7.7433mg·L-1。0.3mm13.61%22.04～26.73m·h-1。COD392mL74%。[1]LettingaG,VanVelsenAFM,HobmaSW,etal.Useofconcepttreatmentforbiologicalwastewaterupflowanaerobicsludgeblanket(UASB)Reactortreatment,Especiallyforanaerobic[J].BiotechnologyandBioengineering,1980,22:669-737[2]MajumderPS,GuptaSK.Degradationof4-chlorophenolinUASBreactorundermethanogenicconditions[J].BioresourTechnol.,2008,99(10):4169-4177.[3]SubramanyamR,MishraIM.Co-degradationofresorcinolandcatecholinanUASBreactor[J].BioresourTechnol.,2008,99(10):4147-4157.[4]LettingaG,FieldJ,VanLierJ,etal.Advancedanaerobicwastewatertreatmentinthenearfuture[J].WatSciTech.,1997,35(10):5-12.[5]SchmidtJE,AhringBK.Granularsludgeformationinupflowanaerobicsludgeblanket(UASB)reactors[J].BiotechnologyandBioengineering,1996,49:229-246.[6]《》.[M].4.:,2002.[7],,,.UASB[J].,2009,30(12):3630-3638.[8],,.UASB[J].,1991,3(12):7-12.[9].[M].:,2000.[10],,,.UASB[J].,1992,6(13):33-38.[11]GrotenhuisJTC,KisselJC,PluggeCM,etal.Roleofsubstrateconcentrationinparticlesized