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DB32/1072-2007200811A2008169“”。-A2/OA2/OTN。11.1122L3hA2/O120L16h180L·d-1。A2/O123DO2~4mg·L-1、、[1]。1.2COD229~688mg·L-1TN20.7~71.1mg·L-1TP2.1~9.7mg·L-1NH3-N18.1~68.5mg·L-1NO3--N0.8~5.3mg·L-1SS116~772mg·L-1。[2]A2/O[3]2COD、TN、TP。1.3[4]CODTNTPDONH3-NMLSSNO3--NpHpH。1+A2/OFig.1Theprocessofimprovedhydrolysis-A2/O -A2/O11211.1000832.100037A2/O-A2/O。28%40%TN13.22mg·L-19.61mg·L-1COD72mg·L-154mg·L-1TP1.9mg·L-11.1mg·L-12TN15mg·L-1GB18918-2002A。X703.1A1000-3770(2009)12-102-032009-03-311984-13810955750E-mailzw9011@163.com3512200912TECHNOLOGYOFWATERTREATMENTVol.35No.12Dec.,2009102DOI:10.16796/j.cnki.1000-3770.2009.12.03422.1TN28%40%2TN、TPCOD。2.1.1TNTN2。2TN40.68mg·L-128%40%TN13.78mg·L-19.39mg·L-12TN15mg·L-140%28%TN2mg·L-1。40%28%TN65%76%11%。2.1.2CODCOD3。3CODCOD28%40%COD138.6mg·L-1130.7mg·L-1。COD28%40%COD72mg·L-154mg·L-179%85%。2.1.3TPTP4。4TP14.16mg·L-1。TP3.63mg·L-1TP28%40%TP1.9mg·L-11.1mg·L-162%75%。2.22.2.1TN+A2/O。TN[5]0.2mg·L-1。5。51.7mg·L-12TNFig.2TNremovalunderthebothconditions0246810121416051015202530354045505560 (TN)/mg L /d02468101214160100200300400500600700/dCOD/mg L 3CODFig.3CODremovalunderthebothconditions02468101214160246810121416/d(TP)/mg L 4TPFig.4TPremovalunderthebothconditions02468101214160102030405060708090100 (TN)/mg L /d 0.00.51.01.52.02.53.03.5 ()/mg L 5TNFig.5EffectofhydrolysisdenitrificationonTNremoval-A2/O103TNTN15mg·L-1。2.2.2CODTPCODTP。CODTP6、7。6、7COD50%TP32%。2.2.3[6][7-8]。CODVFACODCODCOD40%VFA42mg·L-1。3A2/OA2/O123DO2mg·L-1180L·d-1200%75%。28%TN65%13.78mg·L-1COD79%76mg·L-1TP62%1.9mg·L-1。40%TN76%9.39mg·L-1COD85%54mg·L-1TP75%1.1mg·L-1。2TN。28%TN13.22mg·L-140%TN9.61mg·L-1。CODTPCOD50%TP32%。COD。[1].()[M].:,1991:82-91.[2],.A2N[J].,2004,36(8):83-88.[3]KubaT,MurnleitnerE,vanLoosdrechtMCMandHeijnenJJ.Ametabolicmodelforthebiologicalphosphorusremovalbydenitrifyingorganisms[J].BiotechBioeng.,1996,52:685-695.[4].[M].3.:,1998.[5]WANNERJ.Newprocessdesignforbiologicalnutrientremoval[J].WatSciTech.,1992,25(4-5):445-448.[6]SatoshiTsuneda,TakashiOhno,KoichiSoejima,etal.Simultane-ousnitrogenandphosphorusremovalusingdenitrifyingphos-phate-accumulatingorganismsinasequencingbatchreactor[J].BiochemEngJ.,2006,21(3):191-196.[7]Olivares,Gallardo,Langner,etal.Regionaldispersionofoxidizedsulfurincentralchile[J].AtmosphericEnvironment,2002,36(23):3819-3828.[8]AivasidisA,WandroyC.Recentdevelopmentsinprocessandreactordesignforanaerobicwastewatertreatment[J].WatSciTech.,1998,20(1):211-218.6CODFig.6EffectofhydrolysisonCODremoval0246810121416182022100150200250300350400450500550 /dCOD/mg L 303540455055606570COD/%02468101214161820222345678 /d(TP)/mg L 0102030405060TP/%7TPFig.7EffectofhydrolysisonTPremoval1083512104PILOTSTUDYONIMPROVEDHYDROLYSIS-A2/OFORTHETREATMENTOFURBANSEWAGEZhangWei1,HeXuwen1,SongYinghao2,ZhouBo1(1.DepartmentofEnvironmentalEngineeringofChinaUniversityofMin&Technology,Beijing,Beijing100083,China;2.BeijingMunicipalRasearchInstituteofEnvoronmentalProtection,Beijing100037,China)Abstract:HydrolysiswassettingupinfrontofA2/Oandpartofsecondarysedimentationtankeffluentwasreturnedtothehydrolysisinordertoincreasinghydrolysisdenitrification,soastostudytheeffectsofimprovedhydrolysis-A2/Otothetreatmentofurbansewage.TheresultshowsthattheeffluentconcentrationofTN,COD,TPwas13.22mg·L-1and9.61mg·L-1,72mg·L-1and54mg·L-1,1.9mg·L-1and1.1mg·L-1respectivelywhentherefluxratiofromthesecondarysedimentationtanktothehydrolysiswas28%and40%.TheeffluentconcentrationofTNwasalllessthan15mg·L-1atthebothconditionssothattheeffluentqualityattained-classcriteriaspecifiedinDischargeStandardofPollutantsforMunicipalWastewaterTreatmentPlant(GB18918-2002).Keywords:hydrolysis;refluxratio;hydrolysisdenitrification“863”。20099150。5。0.08NTUSDI1520.05mg.L-1。2~3℃。1000。EXPERIMENTALSTUDYONDEFLUORINATIONBYTHETECHNIQUECOMBINGELECTRO-COAGULATION(EC)ANDMEMBRANEFILTRATIONLiJian1,2,XieChaoxin1,WangBo3,WangXiaoming4(1.LogisticalEngineeringUniversityofPLA,Chongqing400016,China;2.EngineeringandEnvironmentalSupervisionCenterofChengduMilitaryCommand,Chengdu610041,China;3.EnvironmentalResearchandMonitoringCenterofBeijingMilitaryCommand,Beijing100071,China;4.LushanSanatoriumofPLA,Jiujiang332900,China)Abstract:Aimingattheservicefeaturesofarmywithconsideringfluorineasapollutant,thetechniqueofdefluorinationcombiningECandmembranefiltrationhasbeenstudied.Itisfoundthat,thehigherthecurrentdensityis,thehigherthedefluorinationefficiencyis;withtheprolongationofoperationtime,theF-concentrationandpHofoutlet,theresistanceofpolegrouphaveincreased;theperiodduring(Trans-membranepressure)TMPreachingthemaximalvaluehasdecreased.WhenF-concentrationofrawwateris5mg·L-1,HRTis10min,thecurrentdensityis51.02A·m-2,F-concentrationofout-letcanreachthenationalstandardsfordrinkingwater.
本文标题:改进水解A2O工艺处理城镇污水的试验研究张蔚
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