沸石床多级生物膜焦化废水处理系统的NH

NH+42N,3,,,(,,100084):NH+42N,NH+42N,NH+42N,.,NH+42N0121kgP(m3d)COD1135kgP(m3d),NH+42NCOD(212112)mgPL(22860)mgPL,(9911015)%(8610216)%.NH+42N[0103kgP(m3d)0106kgP(m3d)],NH+42N9910%9219%,9618%8913%,NH+42N.P(CPN)(N),NNH+42NCPN28.1103110311041104TOC22716104183510mgPL,TOC311222193115mgPL,1103110311042,1103.:;;;NH+42N;:X70311:A:025023301(2009)0220594206:2008201210;:2008205210:(50725827):(1979),,,2,E2mail:[e-mail]3,E2mail:[e-mail]+42NRemovalStabilityofZeoliteMediaPackedMultistage2BiofilmSystemforCoke2PlantWastewaterTreatmentZHAOWen2tao,HUANGXia,HEMiao,ZHANGPeng2yi,ZUOChen2yan(StateKeyJointLaboratoryofEnvironmentalSimulationandPollutionControl,DepartmentofEnvironmentalScienceandEngineering,TsinghuaUniversity,Beijing100084,China)Abstract:Thepracticalammoniastrippingeffectivenessofcoke2plantwastewatertreatmentmayvarywidely,andhighNH+42NshockloadingwillleadtothefluctuationofresidualNH+42Nconcentrationofbiologicaleffluent.Azeolitemediapackedmultistage2biofilmsystem(ZMBS)wasusedforcoke2plantwastewatertreatmentforenhancingtheNH+42Ntreatmentabilityofthebio2systemtoshockloading,aswellasachievinghighCODremovalefficiency.Treatmentperformanceduringsteady2stateandshockloadingandtransformationoforganicpollutantsinthesystemwereinvestigatedsystematically.TheexperimentresultsindicatedthatwhenthesystemwasoperatedatNH+42Nloading0121kgP(m3d)andCODloading1135kgP(m3d),theaverageeffluentNH+42NandCODconcentrationswere(212112)mgPL,(22860)mgPLwithaverageremovalefficienciesof(9911015)%and(8610216)%.DuringthetwiceNH+42Nshockloadings[0103kgP(m3d)and0106kgP(m3d)],ZMBSshowedastrongresistingabilitywithaverageremovalefficienciesof9910%and9219%higherthanthoseofacomparedsystems9618%and8913%.BymonitoringthechangeofwaterqualityalongthelengthoftheZMBSscells,twofunctionzonesfordifferentpollutantremovalwerefoundtoexist,namedasdecarbonizationPnitrification(CPN)zoneandnitrification(N)zone,andtheNH+42NremovalrateinNzonewas228timesasthatinCPNzone.TOCconcentrationsoforganicmatterswithrelativemolecularweight1103,1103to1104,and1104,were22716,10418and3510mgPLinrawwastewater,and3112,2219and3115mgPLintheeffluent,respectively.Organicmatterswithrelativemolecularweight1103and1103to1104inrawwastewaterwereremovedeffectivelybyZMBS,butthosewithrelativemolecularweight1103werethemainremainedsubstancesintheeffluent.Keywords:coke2plantwastewater;zeolite;multistage2biofilmsystem;NH+42Nremovalstability;molecularweightdistribution.,[13].:NH+42N[46].,,30220092ENVIRONMENTALSCIENCEVol.30,No.2Feb.,2009转载[712].,,,NH+42N.,,,[1316].,,NH+42N.NH+42N,NH+42N,.,NH+42NCOD.NH+42NCODNH+42N,.11111.8418L,8.35cm(),2248kgPm3,944kgPm314210%.(305d),,218d.A1PA2PO1PO2PO3PO4PO5PO6(A1,A2,O1O6),,O6A1A2,31(HRT)40h,2733,DO26mgPL.A1PA2PO,,.,pH710715.112CODNH+42N[17].TOC(SHIMADZUTOC25000A,).(MILLIPORE,StirredCellHM).11;21;31;41;51;61pH;71Na2CO3;81;91;101;1111Fig.1Diagramofzeolitemediapackedmultistage2biofilmsystemGC2MS,,[18].2211NH+42NCOD,NH+42NCOD,212(a),NH+42N0121kgP(m3d),NH+42N,98%,(212112)mgPL,(15mgPL)(GB897821996).0121kgP(m3d),NH+42N,15mgPL.,NH+42N,NH+42N.2(b),COD,COD1135kgP(m3d),9111%,,.COD(22860)mgPL,(GB897821996).212NH+42N,2NH+42N,A1PA2PO.,NH+42N0117kgP(m3d)0120kgP(m3d),0103kgP(m3d)(NH+42N50mgPL);,NH+42N0113kgP(m3d)0119kgP(m3d),5952:NH+42N中国科技论文在线(m3d)(NH+42N100mgPL).NH+42N3.,,NH+42N,NH+42N.,NH+42N,NH+42N,15mgPL,A1PA2PONH+42N,15mgPL.,,NH+42N(01318mgPg),[19,20],NH+42N,,NH+42N[21,22].,(403408d),NH+42N,408dNH+42N15mgPL,.,,NH+42N,NH+42N,,.3NH+42NFig.3ChronologicalcurvesofNH+42Nconcentrationsduringtheweakandstrongshockloadings2NH+42N9910%9219%,9618%8913%,COD().,69530中国科技论文在线(m3d),NH+42N,NH+4N.2134CODNH+42N.3A1A2,A1,.4(a),CODO1O2,406dO1O2COD5619%,.O2COD.NH+42N2.O1O2,NH+42N.406505522dNH+42N010401100115kgP(m3d).406522dO3O4O5,505dO3O4,NH+42N.406505522dNH+42N013401340133kgP(m3d).NH+42N,,28.,,,,[23,24];,,,,NH+42N.Chudoba[25],,,.CODNH+42N,4CODNH+42NFig.4CODandNH+42Nreductionalongreactorcells,,P(CPN),,(N).NNH+42NCPN.NH+42N,,NH+42N,NH+42N.214,TOC(5)GC2MS.5,1103110311041104TOC22716104183510mgPL,TOC6210%2815%915%.1103,GC2MS,[1,8].,,,[23].,CPN,N,NH+42N.,7952:NH+42N中国科技论文在线(TOC)inrawwastewaterandzeolitesystemeffluent1103,GC2MS,,.1103110311041104TOC311222193115mgPL,TOC3615%2617%3618%.,1103110311042,1104TOC.1103,GC2MS;1103,,.3(1),NH+42N0121kgP(m3d)COD1135kgP(m3d),NH+42NCOD(212112)mgPL(22860)mgPL,(9911015)%(8610216)%.(2),A1PA2PO.2,NH+42N9910%9219%;A1PA2PO9618%8913%.(3),2:CPNN.CPNCOD,NH+42N;NCOD,NH+42N,CPN28.NH+42NNH+42N.(4)1103110311041104TOC22716104183510mgPL,TOC6210%2815%915%.1103110311041104TOC311222193115mgPL,TOC3615%2617%3618%.1103110311042,1103.:[1]ZhangM,TayJH,QianY,etal.CokeplantwastewatertreatmentbyfixedbiofilmsystemforCODandNH32Nrem