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UASB1,2,2,2(1.,014010;2.,100083)[]UASB。,,,,,。[];;[]X703.3 []A []1006-1878(2004)02-0086-05[]2003-05-06;[]2003-07-26[](50172009)[](1969—),,,,,。 (Up-flowAnaerobicSludgeBlanket,UASB)Wa-geningenLettinga1977[1],、,UASB[2]。,,。,、。,,、。,,UASB,、、。[3]:20℃;35~38℃;51~53℃。[4,5]、,。,。1 试验部分1.1 1.1.1 (6CaO·6SiO2·H2O)、,,70~300kg/m3,(1、2)。,,;;Ca2+,SiO2;Ca2+,。1 SEM1.1.2 、,VSS/SS47.9%,45%。1.1.3 、、,COD∶N∶P100∶5∶1,。·86· ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY 2004242 2 SEM1.2 UASB(12),28L,14cm。240g,1。,,14~17℃。1d。COD1g/L,COD0.8kg/(m3·d),80%,COD0.5~1.0kg/(m3·d),2~3d。。1.3 SSVSS;-;(VFA),COD[6]。2 结果与讨论2.1 3。:,,,“”,,;2,,;,;COD,,SS,SS,VFA(6);26d,2,COD5kg/(m3·d),0.1~0.5mm,133d,0.05~0.3mm;,;65d,2,,1~5mm,1,,0.5~3mm;,,21.0~1.9mm,2.0~5.0mm,10.5~1.0mm,1.0~3.0mm;,2VSS/SS83.7%,170.8%。3 COD◇———1;□———22.2 [7],CaCO3(mg/L),(CO32-)、(HCO3-)(OH-)。。4。,Ca2+,,2。,Ca2+,,,,1,,。2.3 COD COD·87·2 .UASB 5。,2COD1。Ca2+、[8,9],[10,11],COD。55d,COD10g/L,,164%,280%,2,,“”,。4 ◇———1;□———25 COD◇———1;□———22.4 VFA VFA6。6,2VFA1。VFA。VFA,VFA,,VFA,,COD;VFApH,,。,,,,VFA。55d,,VFA,2,5d,1VFA,,VFA。6 VFA◇———1;□———22.5 65d,,,,,。7、81、2。,,[12,13]。,,,[14]。2,,;,、,;,,、。1,,。,Ca2+,,,·88· ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY 200424 [15],。,,[16],,,。Ca2+CO2CaCO3,,。7 1SEM8 2SEM3 结论 a)UASB。。:UASB“”,,,。b),,,VFA。 c)Ca2+,;,。1 ,,..,2001,21(7):12~152 ,,..,2000,26(1):33~383 ..,1996,1:19~214 ,,.UASB.,1996,12(5):16~185 ,,.UASB.,1997,23(6):13~156 .().:,1997.233~2377 ,,.UASB.,2002,18(8):13~168 SchmidtJE,AhringBK.GranularSludgeFormationinUpflowAnaerobicSludgeBlanket(UASB)Reactors.Biotechnol.Bioeng,1996,49:229~2469 FosterCF,LewinDC.PolymerInteractionatActivatedSludgeSurfaces.EffluentWaterTreat,1972,12:520~52510 TurakhiaMH,CharacklisWG.ActivityofPseudomonasAeruginosainBiofilm:EffectofCalcium.BiotechnolBio-eng,1988,33:990~99911 MahoneyEM,VaranguL,CairnsWL,etal.TheEffectofCalciumonMicrobialAggregationDuringUASBReactorStart-up.WaterSciTechnol,1987,19:249~26012 ..,1994,34(1):45~4713 ..,1996,17(1):50~5314 GrotenhuisJTC.RoleofSubstrateConcentrationinPar-ticleSiteDistributionofMethanogenicGranularinUASBReactors.WatRes,1991,25(10):2115 ,..,2002,18(4):19~2216 ,,.UASB.,1997,25(1):114~118·89·2 .UASB ,,,,(,150001)[](UV/H2O2)。。:20℃、30min、CuONa2S1.45∶1;40℃、120min、H2O2(H2O2/COD)0.8,S2-98%,COD87%,BOD5/COD0.210.54。[];;;;[]X703.1 []A []1006-1878(2004)02-0090-05[]2003-02-21;[]2003-12-02[](1965—),,,,,。 ,H2S、CO2。,(NaOH),,(NaOH)。,,,。NaOH,Na2S、Na2CO3[1]。,、、[2,3]。,;、SO2、SO3H2S,[4];,、[5]。,,Na2CO3NaOH,,[6]。,CO2,COD。StudyontheEffectsofXonotliteSecondaryParticlesonSludgeGranulationinUASBReactoratlowtemperatureHanJianhong1,2,NiWen2,JiangHan2(1.InnerMongoliaUniversityofScienceTechnology,InnerMongoliaBaotou014010,China;2.DepartmentofEnvironment,UniversityofScienceandTechnology,Beijing100083,China)Abstract:TheeffectsofxonotlitesecondaryparticlesonsludgegranulationinUASBreactoratlowtemperaturewerestutied.TheresultsshowthatputtingxonotlitesecondaryparticlesintoUASBreactorcanmaintainaproperbasicityforbacteriaduringthestarting-upstage,enhancethesystemresistancetoshockloading,keepVFAatanormalconcentration,promotetheformationofhighconcentrationgranularsludge,andincreasetreatmentefficiency.Keywords:xonotlitesecondaryparticle;up-flowanaerobicsludgebed;granularsludge·90· ENVIRONMENTALPROTECTIONOFCHEMICALINDUSTRY 2004242
本文标题:低温条件下硬硅钙石二次粒子对UASB反应器污泥颗粒化的影响研究韩剑宏
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