不同电子受体影响下的反硝化除磷过程

()356JournalofSouthChinaUniversityofTechnologyVol.35No.620076(NaturalScienceEdition)June2007:10002565X(2007)0620120207:20062092133:(20377013);;(020959):(19732),,,.E2mail:[e-mail]3(,510640):,(SBR)/,,.:,(NO-32N)(NO-22N),,NO-22N;,NO-32N30mg/LNO-22N20mg/L;,;,;NO-22N80mg/L,;./,.:;;;;:X703.3:A,,,.,,.10,NO-32N[124].,NO-32N/,.NO-32N.,,,.C/NC/P.NO-32N,,[2].NO-22N.NO-22N.NO-22N[3,526],[7].:NO-22N,,,[829].NO-22N,NO-22NNO-32NO2[10211].(NO-32NNO-22N),,C/N,.11.13.1PAO,2(SBR)/20d,.,20cm,55cm,12L,1;2NO-32NNO-22N.SBR1SBR2150mL,,,10mLNaNO3NaNO2,3h,.,5000r/min2min,.NaNO3NaNO2;3SBR/,.10min016LNaNO3NaNO2SBR1SBR2,NO-32NNO-22N3020mg/L,212215g/L,25d.1SBRFig.1SchematicdiagramofSBRsystem1;2;3;4;5;6;7;8;9;10;111.2SBR6h,120min(20min),180min,40min,20min.6L,2h,NaNO3/NaNO2..12h,()015.PLCSBRNaNO3NaNO2,30.1.3,1.1Table1Compositionofsyntheticwastewater/(gL-1)NaAc0.366K2HPO40.028KH2PO40.022NH4Cl0.115CaCl22H2O0.035MgSO47H2O0.1501)0.3mL/L1):FeCl36H2O115g/LH3BO30115g/LCuSO45H2O0103g/LKI0103g/LMnCl24H2O0112g/LNaMoO42H2O0106g/LZnSO47H2O0112g/LCoCl26H2O0115g/LEDTA10g/L;013mL/L013mL.,Unitank,.1.4(COD):XJ21COD,;(TP):;(NH+42N):;NO-22N:N(1);NO-32N:;(MLSS):.22.1SBR/,,14,90%,,TP1mg/L,.SBR1,2.:,46144mg/L,0147mg/L.TP20158mg/L,,.COD.1216:2SBR1Fig.2Variationprofilesofwaterqualityinacycle(SBR1)2.22.2.1NO-32NSBR,,NaNO3,NO-32N510203060120mg/L,NO-32N,34.NO-32NTP,./PAONO-32NO2,PAODPB.3,NO-32N51020mg/L(N/P011201240149),NO-32N.NO-32N,,TP361263016220181mg/L.,,.NO-32N,,.3NO-32N1020mg/L,NO-22N,,DPBNO-32NNO-22N.,NO-22N0,NO-22N.4NO-32N.4(a)NO-32N30mg/L(N/P0189),TPNO-32N0169201543mg/L,3NO-32N()Fig.3Effectofnitrateconcentrationonanoxicphosphorusremoval()1#2#3#NO-32N51020mg/L4NO-32N()Fig.4Effectofnitrateconcentrationonanoxicphosphorusre2moval()221()35.NO-32N(60120mg/L,N/P11793158),,TP91942111412mg/L,,NO-32N,DPB,NO-32N,.,TPNO-32N,.,NO-32N,.3NO-22N,NO-32N90120mg/L,NO-22N,,NO-22N.2.2.2NO-22N,NaNO2,NO-22N46816204080mg/L,NO-22N,56.NO-22NTP,/PAODPB,DPBNO-32NO2,NO-22N.5NO-22N46816mg/L.3NO-32N,.NO-22N,NO-22N,,,TP401343381383331729141521mg/L.NO-22N,,NO-22N,,.NO-22N20mg/L(N/P0160),6(a),3h,TP71723mg/L,NO-22N.NO-22N4080mg/L,,TP181388201056mg/L,NO-22N.5NO-22N()Fig.5Effectofnitriteconcentrationonanoxicphosphorusremoval()7#8#9#10#NO-22N46816mg/L6NO-22N()Fig.6Effectofnitriteconcentrationonanoxicphosphorusuptake()NO-22N[8].,3216:,.,NO-22N,NO-22N.2.2.3:NO-32NNO-22N,.NO-32NNO-22N.,NO-32N30mg/L,NO-22N20mg/L,.O2(2),.,MLSS,,MLSS.2.3/,/[1,5,12],DPB,/,,[13214].SBR/,.2.3.1NO-32N7NaNO3SBR1/TPCOD.7,5,CODTP,COD98147%26192%,TP92%38%.5,,COD15%,TP10%.,,,.N2,,COD.7(c)TP101979mg/L,11643mg/L,,,.,NH+42N,20%.3hNO-32N,23135%,221994mg/L,NO-32N,,.7SBR1TPCODFig.7RemovalofTP,CODandcyclebehaviorinSBR12.3.2NO-22NSBR2,,.SBR1,NaNO2SBR2,389124%12138%,COD96125%16136%,SBR2,8(a)(b).SBR211221412mg/L,.NO-22N,15mg/L,NO-22N.NH+42N15%.421()358SBR2TPCODFig.8RemovalofTP,CODandcyclebehaviorinSBR23(1)/DPB.(2)NO-32NNO-22NDPB,NO-32N120mg/LNO-22N80mg/L.(3)NO-32NNO-22N,,..(4)NO-32NNO-22N.NO-32NNO-22N.(5)/DPB/,.:[1]KubaT,SmoldersG,VanLoosdrechtMCM,etal.Bio2logicalphosphorusremovalfromwastewaterbyanaerobi2canoxicsequencingbatchreactor[J].WaterSciTech,1993,27(526):2412252.[2]KubaT,VanLoosdrechtMCM,HeijnenJJ.PhosphorusandnitrogenremovalwithminimalCODrequirementbyintegrationofdenitrifyingdephosphatationandnitrificationinatwo2sludgesystem[J].WatRes,1996,30(7):170221710.[3]KubaT,MurnLeitnerE,VanLoosdrechtMCM,etal.Ametabolicmodelforthebiologicalphosphorusremovalbydenitrifyingorganisms[J].BiotechBioeng,1996,529(6):6852695.[4]Kerrn2JespersenJP,HenzeM.Biologicalphosphorusup2takeunderanoxicandaerobicconditions[J].WatRes,1993,27(4):6172624.[5]KerrnJespersenJP,HenzeM,StrubeRune.Biologicalphosphorusreleaseanduptakeunderalternatinganaero2bicandanoxicconditionsinafixed2filmreactor[J].WatRes,1994,28(5):125321255.[6]SaitoT,BrdjanovicD,VanLoosdrechtMCM.Effectofnitriteonphosphateuptakebyphosphateaccumulatingor2ganisms[J].WatRes,2004,38(17):376023768.[7]ComeauY,HallKJ,OldhamWK,etal.Phosphatere2leaseanduptakeinenhancedbiologicalphosphorusre2movalfromwastewater[J].JWPCF,1987,59(7):7072715.[8]MeinholdJ,ArnoldE,IsaacsS.Effectofnitriteonanoxicphosphateuptakeinbiologicalphosphorusremovalactiva2tedsludge[J].WatRes,1999,33(8):187121883.[9]LeeDS,JeonCO,ParkJM.Biologicalnitrogenremovalwithenhancedphosphateuptakeinasequencingbatchreactorusingsinglesludgesystem[J].WatRes,2001,35(16):396823976.[10]HuJY,OngSL,NgWJ,etalAnewmethodforchara2cterizingdenitrifyingphosphorusremovalbacteriabyu2singthreedifferenttypesofelectronacceptors[J].WatRes,2003,37(14):346323471.[11]AhnJ,DaidouT,TsunedaS,etal.Metabolicbehaviorofdenitrifyingphosphate2accumulatingorganismsunderni25216:trateandnitriteelectronacceptorconditions[J].JBios2ciBioeng,2001,92(5):4422446.[12],,,.[J].,2004,24(1):45249.LiYong2zhi,WangShu2ying,WuFan2song,etal.Selec2tionandenrichmentofdenitrifyingphosphateaccumula2tingbacteriainbiologicallyenhancedphosphateremovalprocess[J].ACTAScientiaeCircumstantiae,2004,24(1):45249.[13],,,.[J].,2002,18(9):427.LuoGu2yuan,LuoNing,JiFang2ying,etal.Newbiologi2caldenitrificat