EGSB处理中药废水的启动过程及其厌氧颗粒污泥特性宿程远

463()Vol.46No.320153JournalofCentralSouthUniversity(ScienceandTechnology)Mar.2015DOI:10.11817/j.issn.1672-7207.2015.03.050EGSB1,2111(1.1500902.541004)EGSB100%COD()86%VFA4.20mmol/LCOD95%VFA1.50mmol/LEGSB0.5~1.0mm0~0.5mm17.340.940.2323.97mg/L19.4510.19mg/LF42029.943.98mg/L16.26mg/LEGSBEGSBX703.1A1672−7207(2015)03−1160−06Start-upperformanceandcharacteristicsofanaerobicgranularsludgeinEGSBreactorfortreatingtraditionalChinesemedicinewastewaterSUChengyuan1,2,LIUXingzhe1,WANGKaiyao1,LIWeiguang1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.SchoolofEnvironmentandResources,GuangxiNormalUniversity,Guilin541004,China)Abstract:Thestart-upproceduresofEGSBreactorfortreatingtraditionalChinesemedicine(TCM)wastewaterwerestudied.Atthesametime,thecharacteristicsofgranularsludgeinEGSBreactorwereanalyzedbyparticlesizedistribution,integritycoefficient,metalcontentandsolublemicrobialproductsofgranularsludge.TheresultsshowthatwhenTCMwastewaterproportionincreasesto100%,theCODremovalratedecreasesto86%(massfraction),andtheVFAconcentrationoftheeffluentincreasesto4.20mmol/L.Attheendofthestart-upstage,theCODremovalratereaches95%andtheVFAconcentrationoftheeffluentdecreasesto1.50mmol/L.TheaminoacidandbenzeneringmaterialsintheTCMwastewatercanbeeffectivelyremovedbyEGSBreactor.Intheinitialstage,theparticlesizedistributionofthegranularsludgereducesfrom0.5−1.0mmto0−0.5mm.Theintegritycoefficientincreasesfrom17.3to40.9.Thecalciumandmagnesiumionmassconcentrationofthegranularsludgedecreasefrom40.23and23.97mg/Lto19.45and10.19mg/L,respectively.Inaddition,thecoenzymeF420absorptionpeakisobservedinthesolublemicrobial2014−05−112014−08−22(Foundationitem)(2012ZX07205-002)(2013GXNSFBA019213)(Project(2012ZX07205-002)supportedbytheNationalScienceandTechnologyMajorProjectofChina;Project(2013GXNSFBA019213)supportedbytheNaturalScienceFoundationofGuangxi)E-mail:[e-mail]3EGSB1161productsofthegranularsludgebythreedimensionalfluorescencespectra.Atstationaryphase,theintegritycoefficientofthegranularsludgereturnsto29.9.Thecalciumandmagnesiumionconcentrationofthegranularsludgeincreaseto43.98mg/Land16.26mg/L.Thestrengthofproteinabsorptionpeaksinthesolublemicrobialproductsobviouslydecline.TheperformanceofgranularsludgeandtheEGSBreactorstabilityarefine.Keywords:EGSB;traditionalChinesemedicinewastewater;start-up;anaerobicgranularsludge[1]EGSBUASB3[2]EGSB[3−5]EGSB[6−7]EGSBEGSB11.11EGSB110cm4.5L60cm70mm2.5LHRT12h30(3%NaOH)1.2EGSB1EGSBFig.1SchematicdiagramofEGSBreactorNaHCO3pH7~8EGSB1/21.3COD(PectrumOneBPerkinElmerInc.)EGSBMalvernMastersizerGhangrekar[8]4000r/min10min0.45μm5mL(FP6500JASCO)(ICPAES)EGSB1050.2g()46116250mLCa2+Mg2+22.1CODHRT12h+050%100%COD2EGSBCOD95%50%(1)COD90%COD200mg/LCOD15100%COD86%COD278mg/L19COD30COD95%COD100mg/L1COD2COD32CODFig.2RemovaleffectsofCODinstart-up2.2(VFA)(ALK)VFAALK[9]VFAALK3350%VFA0.75mmol/L3.75mmol/L79.25mmol/L26.25mmol/L15100%VFA4.20mmol/L22.25mmol/LCODVFA2mmol/LVFAALKcVFA/cALKEGSB[9]1VFA2ALK3VFAALKFig.3VariationsofVFAandALKconcentrationinstart-up2.3EGSBCODEGSBEGSB44NH(3300~3500cm−1)NH(1566cm−1)CN(1425cm−1)CH(2938cm−12970cm−1)CH(949~1120cm−1)EGSBC=O(1730cm−1)EGSB2.43EGSB1163124Fig.4FTIRspectraoftraditionalChinesemedicinewastewaterandreactoreffluent5Fig.5Particlesizedistributions[10]EGSB0()18(100%)30()550.5~1.0mm0~0.5mm300.5mm2.5EGSB[11][12]EGSB66EGSB17.340.9EGSB3029.96Fig.6Integritycoefficientofgranulesludgeinstart-up2.6EPS[13−14]EGSB77EGSB40.2323.97mg/L19.4510.19mg/L()461164[15]30d43.9816.26mg/LEGSB7Fig.7VariationofCaandMgionmassconcentrationofgranulesludgeinstart-up2.7(SMP)SMPEGSB01830dSMP88SMP2Ex/Em=220/340Ex/Em=280/340[16]Ex/Em=420/470F420[17]CODSMPEGSB31)100%EGSB/d(a)0(b)18(c)308SMPFig.8EEMfluorescencespectraofSMPinstart-upCOD86%COD278mg/LVFA4.20mmol/LCOD95%COD100mg/LVFAALKEGSB2)0.5~1.0mm0~0.5mm3EGSB116517.340.940.2323.97mg/L19.4510.19mg/LEx/Em=420/470nmF4203)0.5mm29.943.9816.26mg/LEGSB4)EGSB[1]CHENZhaobo,HUDongxue,ZHANGZhenpeng.Modelingoftwo-phaseanaerobicprocesstreatingtraditionalChinesemedicinewastewaterwiththeIWAanaerobicdigestionmodelNo.1[J].BioresourceTechnology,2009,100(20):4623−4631.[2]FuentesM,ScennaNJ,AguirrePA.AcouplingmodelforEGSBbioreactors:Hydrodynamicsandanaerobicdigestionprocesses[J].ChemicalEngineeringandProcessing,2011,50(3):316−324.[3]LIUJianyong,LUOJinghuan,ZHOUJizhi,etal.Inhibitoryeffectofhigh-strengthammonianitrogenonbio-treatmentoflandfillleachateusingEGSBreactorundermesophilicandatmosphericconditions[J].BioresourceTechnology,2012,113(6):239−243.[4]ColussiI,CortesiA,VedovaLD,etal.Start-upproceduresandanalysisofheavymetalsinhibitiononmethanogenicactivityinEGSBreactor[J].BioresourceTechnology,2009,100(24):6290−6294.[5]DelfornoTP,OkadaDY,PolizelJ,etal.Microbialcharacterizationandremovalofanionicsurfactantinanexpandedgranularsludgebedreactor[J].BioresourceTechnology,2012,107(3):103−109.[6],,,.[J].,2009,31(8):28−33.WANGQiang,WANGLuguang,WANGJingfei,etal.Thechangeofgranularsludgecharacteristicsinthestarting-upofEGSBreactor[J].EnvironmentalPollutionandTreatment,2009,3