您好,欢迎访问三七文档
当前位置:首页 > 建筑/环境 > 设计及方案 > A2O系统PHB和OUR监测及其分析研究陈曦
StudyonPHBandOURmonitoringandanalysisinA2/OsystemChenXi1,2,DaiXingchun1,HuangMinsheng1,GaoShang1,ZhuYong1,GaoYan1(1.SchoolofResourceandEnviromentalSciences,EastChinaNormalUniversity,Shanghai200062,China;2.SchoolofResources&Envinonment,AnqingTeachersCollege,Anqing246011,China)A2/OPHBOUR1,2,1,1,1,1,1(1.,200062;2.,246011)[]A2/O,,PHB,PHB。PHBF/M。PHB。OURA2/O,OUR,OUR7.1~13.3mg/(g·h),OUR0.88~2.95mg/(g·h)。OUR。OUR25~33℃,NO3--N9.2~11.0mg/L。F/MOUR。[]A2/O;;;[]TU991.21[]A[]1005-829X(2009)09-0077-04Abstract:InA2/Osystem,theeffectoftemperatureonthePHBislimited.TheincreaseoftemperaturecanpromotethePAOmetabolismrate,thuscontributingtothePHBsynthesis.BothPHBcontentandsystemF/Marenotablyandpositivelyrelated.ThesynthesisquantityofPHBincreaseswiththequantityofanaerobicphosphorusreleasing.TheorganismremovalefficiencyofA2/OsystemcanbecharacterizedbyOUR,andthenitrificationfunctionchangesofOURcanbecharacterizedbynitrificationOUR.TheconventionalOURvalueisbetween7.1mg/(g·h)and13.3mg/(g·h),nitrificationOURvaluesisbetween0.88mg/(g·h)and2.95mg/(g·h).TemperaturehasobviouseffectontheraiseofOURofactivesludge.TheefficienttemperaturerangeofnitrificationOURisbetween25-33℃,andNO3--Nconcentrationisbetween9.2-11.0mg/L.ImprovingtheF/MactsonthepromotionofOUR.Keywords:A2/O;PHB;OUR;phosphorusaccumulationorganism29920099IndustrialWaterTreatmentVol.29No.9Sep.,2009[](2007-07)A2/O、3,(PAO)、、,。(PHB),PHB。〔1〕:,,PHB,,PHB,。〔2〕:PHB,PHB、,,;(VFA),、,。PHBA2/O,PHB、。77——2009-09,29(9)M.Gutierrez〔3〕,、DHA、ATP,OUR。〔4〕,OUR。,,。,A2/O———,、。D.J.B.Dalzell〔5〕,。〔6〕,、。〔7〕,,。11.1A2/O,1。60cm×20cm×12cm,V=14.4L;R=16cm、H=28cm,V=4.8L;R=18cm,H=32cm,V=5.8L。1.2A2/O,1。(IWAKI,ESBN4)2.4L/h,、、,6、2、2h;(F/M)0.12g/(g·d);(BT100-1J),2,0.5;2~4mg/L,0.5mg/L;、、(DN13W,30r/min);15d;2.5h。20074—20077。1.3(1)MLSS、BOD5、CODCr、NH3-N、TP〔8〕。(2)PHB〔9〕:(10~20mg),(PHB),,10mL,100℃10min,235nm,(PHBSIGMA)PHB。(3)OUR:800mL,20℃,5min,DODO。20℃DOBOD,,,,()。BOD,,DO0.1mg/(L·h),2min15s1,1min1,,15min〔10〕。OUROUR;(ATU)OUROUR。22.1PHB、F/M、2.1.1PHBPHB2。2,17~29℃,1CODCrBOD5NH3-NTP/(mg·L-1)150~25090~12015~300.2~1.4/(mg·L-1)198.5100.618.70.578——2009-09,29(9),:A2/OPHBOURPHB,(MLSS)27.8mg/g;30℃,PHB,,。:PHB,,PHB5mg/g,20%,,PHB。2.1.2PHBF/MA2/OF/M0.12~0.42g/(g·d),PHB23.2~32.2mg/g。SPSS13.0,r=0.697,p=0.02,0.05,PHBF/M,PHBF/M,G.T.Digger〔11〕。G.T.DiggerF/M,,PHB。〔12〕,。2.1.3PHB0.58~1.42mg/L,PHB20.1~25.8mg/g,PHB,,。,,,,,。PHB,PHB。2.2OUR、NO3--NNO2--N、F/M2.2.1OUROUROUROUR3、4。34,17~26℃,OUROUR,,0.6mg/(g·h),1.8mg/(g·h)。28℃,OUROUR2.25mg/(g·h)3.0mg/(g·h),,,。34,OUROUR,OUR。2.2.2OUROURNO3--NNO2--NNO3--N,13.0mg/L,8.2mg/L。OUR1.5~4.0mg/(g·h)。NO3--N11.0mg/L,,。N78%49%;NO2--N,0.160mg/L,0.020mg/L。OUR,1.50~2.86mg/(g·h)。NO3-N9.2~11.0mg/L,。NH3-N,NH3--NNO2--N,NO2--NNO3--N。2.2.3OUROURF/MOUROURF/M5、6。79——2009-09,29(9)5、6,F/M0.05~0.42g/(g·d),OUR0.2~1.4mg/(g·h);F/M0.12~0.25g/(g·d),,OUR0.4~1.1mg/(g·h)。F/M0.05~0.42g/(g·d),OUR0.3~18mg/(g·h);F/M0.08~0.22g/(g·d),,OUR0.5~1.3mg/(g·h)。56,F/MOUR,F/M,OUR。3(1)、F/MNO3--NNO2--NPHBOUR,PHBOUR,,,,。,A2/O。(2)A2/O,,PHB,PHB,30℃。PHB5mg/g(MLSS),20%。PHBF/M,PHBF/M。PHB,,。PHB。PHBA2/O。(3)OURA2/O,OUR,OUR7.1~13.3mg/(g·h),OUR0.88~2.95mg/(g·h)。OUR。28℃OUR20℃1~2,。,OUR25~33℃,NO3--N9.2~11.0mg/L。F/MOUR,OUR,。[][1],,,.PHB[J].,2000,16(7):5-7.[2],,,.[J].,2006,26(2):192-196.[3]GutierrezM,EtxebarriaJ,FuentesLDL.Evaluationofwastewatertoxicity:comparativestudybetweenmicrotoxandactivatedsludgeoxygenuptakeinhibition[J].WaterResearch,2002,36(4):919-924.[4],,.[J].,2004,4(6):43-45.[5]DalzellDJB,AlteS,AspichuetaE,etal.Acomparisonoffiverapiddirecttoxicityassessmentmethodstodeterminetoxicityofpollutantstoactivesludge[J].Chemosphere,2002,47(5):535-545.[6],,.[J].,1996,15(3):18-20.[7],,,.[J].,1999,19(3):225-229.[8].[M].4.:,2002:200-284.[9].-3-[J].,2002,30(9):100-104.[10],,.[M].:,1993:360-361.[11]DiggerGT,GradyCLP.Thedynamicsofmicrobialgrowthonsolublesubstrates[J].WaterResearch,1982,16(14):365-382.[12],.SRT/SBRPHB[J].,2005,26(2):126-130.[](1983—),,,E-mail:cx1_55@sina.com。:,E-mail:mshuang@des.ecnu.edu.cn。[]2009-04-07()!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!··。,。:2008,,、、、。80——
本文标题:A2O系统PHB和OUR监测及其分析研究陈曦
链接地址:https://www.777doc.com/doc-6529738 .html