氨氮对厌氧颗粒污泥产甲烷活性的影响

ISSN1000-0054CN11-2223/N(JTsinghuaUniv(Sci&Tech),20054592005,Vol.45,No.935/351294-1296,,(100084):2004-09-02:(59978020):(1970-),(),E-mail:[e-mail]:,E-mail:[e-mail]:ABR,,,0.2g/L0.4g/L,,5%10%;0.8g/L,,7%;2g/L3g/L4g/L,20%28%45%,,,pH::X17:A:1000-0054(2005)09-1294-03EffectofammoniumconcentrationonthemethanogenicactivityofanaerobicgranularsludgeHEShijun,WANGJianlong,ZHAOXuan(InstituteofNuclearandNewEnergyTechnology,TsinghuaUniversity,Beijing100084,China)Abstract:Theeffectofvariousammoniumconcentrationsonthemethanogenicactivityofanaerobicgranularsludgeandtherecoveryofthebiologicalactivitywereinvestigatedusingbatchexperimentswiththesludgeobtainedfromanoperatinganaerobicbaffledreactor(ABR).Theexperimentalresultsindicatethatammoniumions(NH+4-N)havebothpositiveandnegativeeffectsonanaerobicsludge,dependingontheinitialammoniumconcentration.Theammoniumenhancesthebiogasproductionby5%at0.2g/Landby10%at0.4g/Lwithrespecttothecontrol.However,themethanogenicactivitywasinhibitedby7%attheammoniumconcentrationof0.8g/L.Astheammoniumconcentrationincreasedto2,3and4g/L,themethaneproductiondecreasedby20%,28%and45%,respectively,comparedwiththecontrol.Furthermore,theresultsalsoshowthattheeffectofammoniumonmethanogenicactivityofanaerobicgranularsludgeisdependentonseveralfactors,suchasthealkalinityorbufferingcapacity,temperature,pH,andthesludgeloadingrates.Keywords:anaerobicgranularsludge;methanogenicactivity;NH+4-N;inhibition,,,,,,[1][2,3],,,,,,11.1H2NCONH2K2HPO4m(COD):m(N):m(P)=200:5:1NaHCO3,CoBCuNiFeZnMgMn,1.2AnaerobicBaffledReactor(COD4g/L,HRT1d),,1.3250mL(CSTR),,WMZK-01(361),25mLSmithfermentationtube),2mol/LNaOHNaCl,CO22S,CH41.4125mL1030mLNH4Cl,(361)12h,1,2h,,(),,,,(),1.5QAm,[4]Am=Qt/Qc,(1)AmQtQc,I=1-Am.(2),Am=Qt/Qc,(3)QtQc22.11NH+4-N,C0.2g/L0.4g/L,,5%10%0.8g/L,,,7%;2g/L,,2g/L3g/L4g/L,20%28%45%1NH+4-N(NH+4-N)NH+4-N,NH+4-NNH+4-N,VFAs/ALK,NH+4-N,[57](1)(3),1,NH+4-NNH+4-N,2.223(TSS),2g/L,59211C/(gL-1)Am100I100Am100010001000.2105-50.4110-100.8937902.08020653.07228644.055455323NH+4-N42.34,NH+4-N,NH+4-N0.8g/L,2g/L,,,,,,3NH+4-NNH+4-N,,NH+4-N,,0.4g/L,0.8g/L,,,,,(References)[1],[J].2001,21(4):213216.DONGChunjuan,PANQingye.Inorganicandorganictoxicantsinanaerobicdigestionofindustrialwastewater[J].EnvironmentalProtectionofChemicalIndustry,2001,21(4):213216.(inChinese)[2][J].1997,13():1921.HUFengping.Experimentalstudiesofinhibitingactionofammonia-nitrogeninUBFreactorat35[J].ChinaWaterandWastewater,1997,13(Suppl):1921.(inChinese)[3]HansenKH,AngelidakiI,AhringBK.Anaerobicdigestionofswinemanure:inhibitionbyammonia[J].WatRes,1998,32(1):512.[4],,[J].,2000,33(5):8184.LIUYanling,RENNanqi,LIJianzheng,etal.Studyonthemethanogenictoxicityandanaerobicbio-treatmentfeasibilityofsulfanilamideproductswastewater[J].JHarbinUniversityCivilEngineeringandArchitecture,2000,33(5):8184.(inChinese)[5]BorjaR,SanchezE,WeilandP.Influenceofammoniaconcentrationonthermophilicanaerobicdigestionofcattlemanureinupflowanaerobicsludgeblanket(UASB)reactors[J].ProcessBiochemistry,1996,31(5):477483.[6]SossaK,AlarconM,AspeE,etal.Effectofammoniaonthemethanogenicactivityofmethylaminotrophicmethaneproducingarchaeaenrichedbiofilm[J].Anaerobe,2004,(10):1318.[7]GerardiMH.TheMicrobiologyofAnaerobicDigesters[M].Hoboken,NewJersey,USA:JohnWileyandSons,2003.6921(2005,45(9)