DATIAT同步脱氮除磷工艺活性污泥在不同基质中的厌氧释磷特性研究

,,,.MDAT2IAT[J].,2005,25(7):913-917CHAIYanli,ZHOUYuexi,WANGHaiyan,etal.ThecharacteristicofthephosphorusanaerobicreleasefromactivatedsludgeindifferentsubstrateswithMDAT2IATprocess[J].ActaScientiaeCircumstantiae,2005,25(7):913-917MDAT2IAT,3,,,100012:2004211224:2004203209:2005203219:MDAT2IAT(ModifiedDemandedAerationTank2IntermittentAerationTank).4,1158315531041186mgL-1;0102010501150110mgL-1min-1.,,4,8151mgL-10131mgL-1min-1.:MDAT2IAT;;;;:025322468(2005)0720913205:X70311:AThecharacteristicofthephosphorusanaerobicreleasefromactivatedsludgeindifferentsubstrateswithMDAT2IATprocessCHAIYanli,ZHOUYuexi3,WANGHaiyan,JIANGJinyuanWaterPollutionControlTechnologyLaboratory,ChineseResearchAcademyofEnvironmentalSciences,Beijing100012,ChinaReceived24November2004;receivedinrevisedform9March2005;accepted19April2005Abstract:ThecharacteristicofthephosphorusreleasefromactivatedsludgeunderanaerobicconditionindifferentsubstrateswithModifiedDemandedAerationTank2IntermittentAerationTank(MDAT2IAT)processwasstudied.Theamountsofphosphorusreleasefromactivatedsludgewere1158mgL-1,3155mgL-1,3104mgL-1and1186mgL-1,andtheratesofthephosphorusreleasewere0102mgL-1min-1,0105mgL-1min-1,0115mgL-1min-1and0106mgL-1min-1withglucose,sodiumformat,sodiumacetateandsodiumpropionateasasolecarbonsource,respectively.Thephosphorusreleasefromactivatedsludgeunderanaerobicconditioninthemixtureofthesamefoursubstrateswasalsostudied.Theresultsindicatedthattheamountandrateofphosphorusreleaseinthemixedsubstratesweremuchgreaterthanthoseinthefoursolesubstrates,reaching8151mgL-1and0131mgL-1min-1,respectively.Keywords:MDAT2IATprocess;nitrogenandphosphorusremoval;anaerobicphosphorusrelease;substrates:(863)(No.2002AA601320B):(1979),,;3()Foundationitem:Hi2TechResearchandDevelopmentProgramofChina(863Program)Sustentationproject(No.2002AA601320B)Biography:CHAIYanli(1979),female,mastercandidate;3Correspondingauthor.,.,,[1].,,.(EnhancedBiologicalPhosphorusRemoval,EBPR):,(PO3-4)(poly2P),,;,poly2P,PO3-4,(),PHA,,PHA[2,3].,(25720057ActaScientiaeCircumstantiaeVol.25,No.7Jul.,2005),.,.Abu2ghararahRandall,[45].PotgieterEvans,,,[6].Manning,,[7].,,,,.MDAT2IAT[8],,.1(Materialsandmethods)1.1MDAT2IAT.1.DATIAT.,DAT,IAT.PLC,.,1MDAT2IAT(;DAT;2IAT;1.;2.;3.;4.;5.;6.;7.;8.;9.PLC;10.;11.)Fig.1flowchartofMDAT2IATprocess(pre2reactiontank;DAT;IAT;1.distributionbox;2.measuringpump;3.sludgecyclepump;4.aerator;5.aeratorhead;6.blender;7.cleanwaterreservoir;8.sludgereservoir;9.PLC;10.influentvalve;11.inductionvalve),NaHCO3pH712715.,CODBOD5NH+42NPO3-42P460168211842070027134213311618mgL-1;CODBOD5NH+42NPO3-42P10173016413314611013017mgL-1;9110%9815%9318%9913%8511%9110%8916%9519%.(GB1891822002)[9].1.22.MDAT2IATIAT.2Fig.2Sketchmapofanaerobicphosphorusreleasetesterfromactivatedsludge2,:752,SGN2500,LD522A,QZX2C41925,JEM100CX.2,4;4.1:MDAT2IATIAT1h(MLSS5890mgL-1)200mL.2000rmin-13min,,200mL.(TC1156mmolL-1)200mL,,COD3915mgL-1.,(23),.3,COD371840124911mgL-1.,,,3h.2:41111,.COD200mgL-1.113215%2h,10000rmin-13min,,5%215%4.011%PBS,1%2h,011%PBS.50%70%90%100%,11121h,6024h.,,.2(Experimentresults)211344.,,,,.,8;,0131mgL-1min-1,40132mgL-1min-1.,,.,2.8151mgL-1,4(10103mgL-1).3((a);(b))Fig.3ratesandamountsofphosphorusreleasefromactivatedsludgeindifferentsubstrates((a)Phosphorusreleasevelocities;(b)Phosphorusreleaseamounts).010min,,10min,..,010min,.,60min,,.,,10min5197:MDAT2IAT4(a)(1280);(b)(2481);(c)(3381);(d)(2481);(e)(4981);(f)(4981)Fig.4ratesandamountsofphosphorusreleasefromactivatedsludgeinmixedsubstrates(a)beforephosphorusrelease(1280);(b)glucose(2481);(c)sodiumformat(3381);(d)sodiumacetate(2481);(e)sodiumpropionate(4981);(f)mixedsubstrates(4981).31h,4.,,015,016,018,112[10],,,;,.,,.2.24(TEM),5(a)TEM,5(b)(f)TEM.,PHA,poly2P.,poly2P,PHA.,PHA,poly2P;PHApoly2P.,poly2P,PHA;,PHA.,PHA,,poly2P.TEM,MDAT2IAT5TEMFig.5TEMofanaerobicphosphorusreleasefromactivatedsludgeindifferentsubstrates,.,PHB,61925.,,:262,PHA,;(),PHA,.,.,[11].,,,.4,,,.3(Conclusions)1),4TC1156mmolL-1,,01153104mgL-1;.,4,01318151mgL-1.2),COD,.,,;,.3),,,,,.:(1964),,,.:,.:,,.E2mail:[e-mail].(References):[1]ZhengXC,LiYX.Nitrogenandphosphorusremovaltechnologiesforwastewater[M].Beijing:ChinaArchitecture&BuildingPress,1998(inChinese)[2]ZhouYX,QianY,GuXS.Thestudyontheanaerobicacetatemetabolisminthebiologicalphosphorusremovalprocess[J].ResearchofEnvironmentalSciences,1992,5(3):2528(inChinese)[3]ZhouYX.Theeffectofacetateonbiologicalnitrogenandphosphorusremovalforwastewater[J].EnvironmentalSciences,1994,15(1):8284(inChinese)[4]ChenYG,AndrewA.RandallandTerrenceMcCue.Theefficiencyofenhancedbiologicalphosphorusremovalfromrealwastewateraffectedbydifferentratiosofacetictopropionicacid[J].WatRes,2004,38(1):2736[5]Abu2ghararahZH,RandallCW.Theeffectoforganiccompoundsonbiologicalphosphorusremoval[J].WatSciTech,1991,23:585594[6]PotgieterDJJ,EvansBW.BiochemicalchangesassociatedwithluxuryphosphateuptakeinamodifiedPhoredoxactivatedsludgesystem[J].WatSciTech,1983,15:105115[7]MaraisGVR,LoewenthalRE,SiebritzIP.Observationssupportingphosphateremovalbybiologicalexcessuptake[J].WatSciTech,1983,15: