好氧颗粒污泥吸附氨氮性能王昌稳

20143CIESCJournal942March2014653Vol.65No.3(100024)(251)0.1molL1Trise-HClSBR30mgL11.83mgNH+4-N(gVSS)11.18mgNH+4-N(gVSS)1NaClDOI10.3969/j.issn.0438-1157.2014.03.025X703A04381157201403094206PerformanceofammoniaadsorptionbyaerobicgranularsludgeWANGChangwen,ZHAOBaihang,LIJun,LIUGuoyang(KeyLaboratoryofBeijingforWaterQualityScienceWaterEnvironmentRecoveryEngineering,CollegeofArchitectureandCivilEngineering,BeijingUniversityofTechnology,Beijing100124China)Abstract:Ammoniaadsorptionbyaadsorbent,aerobicgranularsludgeculturedinalab-scaleSBR,andinfluencingfactorswerestudiedat(251)andin0.1molL1Trise-HClbufferreactionsystem.Comparingwithflocculentactivatedsludgetheaerobicgranularsludgeexhibitedhigheradsorptioncapacity.Atinitialammoniaconcentrationof30mgL1,theadsorptioncapacitywas1.83and1.18mgNH+4-N(gVSS)1forgranularsludgeandflocculentsludge,respectively.Itdecreasedwithbiomassconcentrationbecauseofscreeneffectbetweencells.Theeffectofsalinity(NaCl)ontheammoniaadsorptionwassignificant,i.e.itdecreasedwithincreaseofsalinity.Theresultsindicatedthattheammoniaadsorptionbygranularsludgeshouldnotbeneglected,moreinvestigationwouldbeneeded.Keywords:adsorptionaerobicgranularsludgeammoniaextracellularpolymericsubstances[1]2013-06-132013-07-241987—(51078008)(8122005)Receiveddate:2013-06-13.Correspondingauthor:Prof.LIJun,[e-mail]:supportedbytheNationalNaturalScienceFoundationofChina(51078008)andtheNaturalScienceFoundationofBeijing(8122005).3943[2]NO2-NNO3-NNH+4-NNielsen[3]EPS[4-6]Temmink[7](5220)mgL1(3720)mgL19%20%Schwitalla[8]0.070.20mgNH+4-N(gVSS)111.1SBR50cm23.5cm21L120Lh1252860%35min7.5h2min5min5min120d6440mgL1,SVI22MLVSS/MLSS0.43MLVSS2830mgL11.21hPBS3424h(251)0.1molL1Trise-HCl(pH=7)250mlNH4Cl0.1molL1Trise-HCl(pH=7)250ml1.3qeqe=inieqVSSCC(1)CinimgL1;CeqmgL1;VSSgL11.43NH+4-NMLSSMLVSS[9]22.1115min1030507090mgL1659441Fig.1Variationofammoniasorptioninaerobicgranularsludgefordifferentinitialammoniaconcentrations0.981.833.494.104.65mgNH+4-N(gVSS)1[10]30mgL1MLVSS5gL130.5%2.230mgL11.18mgNH+4-N(gVSS)11.83mgNH+4-N(gVSS)1Nielsen[3]0.30.4mgNH+4-N(gVSS)1Bassin[10]0.160.18mgNH+4-N(gVSS)1qeCe2qeqeCeFreundlich2qeCeFig.2RelationshipbetweenadsorptioncapacityqeandequilibriumconcentrationCeforaerobicgranularsludgeandflocculentsludgeqe=KFCe1/n(2)KF1/n(2)KF1/nFreundlich1KF1/n1/n1/n1FreundlichTable1FreundlichisothermalparametersofammoniaadsorptionbyflocculentsludgeandgranularsludgeItemKF/mgg1(Lmg1)1/n1/nR22.6440.980.97442.5817.950.97712.350mgL13MLVSS2.34gL118.81gL10.881.061.311.581.81mg1.490.900.750.540.38mgNH+4-N(gVSS)1Hammaini[11]39453MLVSSFig.3AmmoniaadsorptionbyaerobicgranularsludgefordifferentMLVSS4NaClqeFig.4Effectofsalinity(NaCl)onsludgeadsorptioncapacityqe2.4NaCl50mgL1NaClqe4NaClqe2.56mgNH+4-N(gVSS)1102030gL1NaClqe1.510.970.19mgNH+4-N(gVSS)1NaClNaClqeNaCl20gL1qeNaCl38.1%NaCl30gL1NaCl7.6%3Nielsen[3]30mgL10.30.4mgNH+4-N(gVSS)1Valdivia[12]3SBBR14%27%(2)Temmink[7]Wik[13]2[14]Bassin[10]30mgL12Table2Ammoniumadsorptionindifferentwastewatertreatmentsystems(NH+4-N)/%qe(30mgNH+4-NL1)/mgNH+4-N(gVSS)1NH+4-N/mgL10.30.4[3]0.070.20[8]SBR142722[12]0.160.182050[10]23361.760[10]18240.950100[10]7.514.11.1810909.214.81.831090659461.7mgNH+4-N(gVSS)10.9mgNH+4-N(gVSS)1SBR1.83mgNH+4-N(gVSS)1Ca2+Mg2+Fe2+Fe3+[15]EPSEPS[16]Comte[17]EPSEPSEPSNaClBassin[10]10gL1NaClNaClNaCl30gL1Na+NH+4Na+NH4+Na+4115min30mgL1qe1.83mgNH+4-N(gVSS)1234NaCl30gL1References[1]ZengWei,LiLei,YangYingying,WangXiaodong,PengYongzhen.Denitrifyingphosphorusremovalandimpactofnitriteaccumulationonphosphorusremovalinacontinuousanaerobic-anoxic-aerobic(A2O)processtreatingdomesticwastewater[J].EnzymeandMicrobialTechnology,2011,48(2):134-142[2]PuigS,vanLoosdrechtMCM,ColprimbJ,MeijerSCF.Dataevaluationoffull-scalewastewatertreatmentplantsbymassbalance[J].WaterResearch,2008,42(18):4645-4655[3]NielsenPH.Adsorptionofammoniumtoactivatedsludge[J].WaterResearch,1996,30(3):762-764[4]LiuYu,LamMC,FangHHP.AdsorptionofheavymetalsbyEPSofactivatedsludge[J].WaterScience&Technol.,2001,43(6):59-66[5]GuibaudG,TixierN,BoujuA,BauduM.RelationbetweenextracellularpolymerscompositionanditsabilitytocomplexCd,CuandPb[J].Chemosphere,2003,52(10):1701-1710[6]ZhangDaoyong,PanXiangliang,KhanMGMostofa,ChenXi,MuGuijin,WuFengchang,SongWenjuan,YangJiangying,LiuYanli,FuQinglong.ComplexationbetweenHg()andbiofilmextracellularpolymericsubstances:anapplicationoffluorescencespectroscopy[J].JournalofHazardousMaterials,2010,175(1/2/3):359-365[7]TemminkH,KlapwijkA,DeKorteKF.FeasibilityoftheBIOFIX-processforthetreatmentofmunicipalwastewater[J].WaterScience&Technology,2001,43(1):241-249[8]SchwitallaP,MennerichA,Austermann-HaunU,MüllerA,DorningerC,DaimsH,HolmNC,Rönner-HolmSGE.NH4+-Nad-/desorptioninsequencingbatchreactors:simulation,laboratoryandfull-scalestudies[J].WaterScience&Technology,2008,58(2):345-350[9]APHA.StandardMethodsfortheExaminationofWaterandWastewater[M].20thed.WashingtonDC,USAAmericanPublicHealthAssociation,1998[10]BassinJP,PronkM,KraanR,KleerebezenR,vanLoosdrechtM