改进倒置A2O工艺处理生活污水试验研究王琪

:　,,1980,,。＊“863”(No.2002AA601022-4-2)。改进倒置A2/O工艺处理生活污水试验研究＊王琪1刘年丰1张杰1丁峰2(1.,430074;2.,542800)　　A2/O,,COD,COD,,。C/N,C/N()8.080%,C/N6.0,C/N。COD,。　　A2/OImprovedinvertedA2/Oprocessforsewagetreatment　WangQi1,LiuNianfeng1,ZhangJie1,DingFeng2.(1.Hua-zhongUniversityofScience&Technology,WuhanHubei430074;2.HezhouEnvironmentalMonitoringStation,HezhouGuangxi542800)Abstract:　Additionofbio-filmcarrierstoallowattachedgrowthintheanoxictankoftheinvertedA2/OtreatmentsystemresultedinamorestableeffluentwithalowerCOD,especiallyduringtheperiodwhenthefeedCODconcentrationwashighlyvariable.Italsoenhancednitrificationintheaerobictankandthusimprovedthesystem'scapabilityoftotalnitrogen(TN)removal.AhighC/NfeedwasessentialforeffectivedenitrificationandforhighTNremoval.TheimprovedinvertedA2/Oprocessremoved80%ofTNinthefeedwithaC/Nof8.0,theTNremovalwasmuchlowerwhenthefeedC/Nwas6.0.Becauseofthelowtotalphosphorousinthefeed(TP3mg/L)andalsothehighCODremovalachievedintheanoxictank,nosignificantimprovementintheoverallTPremovalwasobserved.Keywords:　InvertedA2/OprocessDenitrifywithbio-filmNitrogenandphosphorousremoval　　A2/O,,,。A2/O,。A2/O,A2/O,,,C/N,,,,,[1]。,,,,A2/O。1　1.1　试验用水　　,1。1　Table1　QualityofeffluentfromseptictankCOD/(mg·L-1)TP/(mg·L-1)TN/(mg·L-1)NH+4-N/(mg·L-1)/℃112～1911.9～2.921～2618～2324～281.2　工艺条件与分析方法　　1,,25L,1/5,DO0.2mg/L,pH7.0～8.0[2]。20L,,20r/min。35L,,DO2～4mg/L。,300%～400%[3]。8～12L/h,7～10h,15～18d,MLSS2000～3000mg/L。　　COD、TN、NH+4-N、TP、DO。1　A2/OFig.1　TheconfigurationofimproveA2/Oprocess·361·　A2/ODOI:10.15985/j.cnki.1001-3865.2007.05.0111.3　菌种培养　　,UASB,,2。72h,,;,DO0.5mg/L,1,,,。,,pH7.7～8.1,2。22.1　TN的去除　　TN22.4mg/L,6.0mg/L。TN,TN,COD,CODC/N,。2C/NTN。2,C/N(,)6.0,TN47%;C/N8.0,TN80%;C/N9.5,。C/N(8.75),,[4]。,,。2　C/NTNFig.2　RemovalrateofTNaffectedbyC/N2.2　COD的去除　　3COD。COD,COD20mg/L,86%。3　CODFig.3　TheresultofCODremoval　　4、COD。4,COD,57%;COD,23%;COD,COD;COD54%,COD,54%CODCOD,,COD,,。,COD,,,,。4　CODFig.4　VariationsofCODremovalrateineverytank2.3　TP的去除　　TP2.55mg/L,0.78mg/L。5,TP70%,,-β-;COD,COD,,。5　TPFig.5　TheresultofTPremoval3　　　(1)C/N8.0,80%;C/N6.0,。(下转第381页)·362·　　29　5　20075mosphericEnvironment,2003,37(33):4607-4623.[22]　,,,.[J].,2005,25(4):193-205.[23]　,.[J].,2005,37(2):148-156.[24]　NGUYENKC,NOONANJA,GALBALLYIE,etal.Pre-dictionsofplumedispersionincomplexterrain:Eulerianver-susLagrangianmodels[J].AtmosphericEnvironment,1997,31(7).[25]　HURLEYPJ,MANINSPC,NOONANJA.ModellingwindfieldsinMAQS[J].EnvironmentalSoftware,1996,11(1/3):35-44.[26]　LIJianguo,ATKINSONBW.Aninerttracerdispersionschemeforuseinamesoscaleatmosphericmodel[J].AtmosphericEnvi-ronment,2000,34(23).[27]　GIVATIR,FLOCCHINIRG,CAHILLTA.ModelingsulfurdioxideconcentrationsinMt.RainierareaduringPREVENT[J].AtmosphericEnvironment,1996,30(2):255-267.[28]　BARNAMG,GEBHARTKA,SCHICHTELBA,etal.ModelingregionalsulfateduringtheBRAVOstudy:Part1.Baseemissionssimulationandperformanceevaluation[J].At-mosphericEnvironment,2006,40(14):2436-2448.[29]　SCHICHTELBA,BARNAMG,GEBHARTKA,etal.E-valuationofaEulerianandLagrangianairqualitymodelusingperfluorocarbontracersreleasedinTexasfortheBRAVOhazestudy[J].AtmosphericEnvironment,2005,39(37):7044-7062.[30]　ZHANGMeigen,UNOI,YOSHIDAY,etal.TransportandtransformationofsulfurcompoundsoverEastAsiaduringtheTRACE-PandACE-Asiacampaigns[J].AtmosphericEnvi-ronment,2004,38(40):6947-6959.[31]　,,,.Models-3[J].,2005,24(5):748-756.[32]　LANGNERJ,ROBERTSONL,PERSSONC,etal.ValidationoftheoperationalemergencyresponsemodelattheSwedishMeteorologicalandHydrologicalInstituteusingdatafromETEXandtheChernobylaccident[J].AtmosphericEnviron-ment,1998,32(24):4325-4333.[33]　OLIVARESG,GALLARDOL,LANGNERJ,etal.RegionaldispersionofoxidizedsulfurinCentralChile[J].AtmosphericEnvironment,2002,36(23):3819-3828.[34]　QUERZOLIGA.Lagrangianstudyofparticledispersionintheunstableboundarylayer[J].AtmosphericEnvironment,1996,30(16).[35]　PEREGOS.Metphomod-anumericalmesoscalemodelforsimula-tionofregionalphotosmogincomplexterrain:modeldescriptionandapplicationduringPOLLUMET1993(Switzerland)[J].Mete-orologyandAtmosphericPhysics,1999,70(1/2):43-69.[36]　SOULHACL,PUELC,DUCLAUXO,etal.SimulationsofatmosphericpollutioninGreaterLyonanexampleoftheuseofnestedmodels[J].AtmosphericEnvironment,2003,37(37).[37]　PIELKERA,COTTONWR,WALKORL,etal.Acompre-hensivemeteorologicalmodelingsystem—RAMS[J].Meteor-ologicalandAtmosphericPhysics,1992,49(1/4):69-91.[38]　KESSLERC,BRUCHERW,MEMMESHEIMERM,etal.SimulationofairpollutionwithnestedmodelsinNorthRhine-Westphalia[J].AtmosphericEnvironment,2001,35:S3-S12.责任编辑:赵　多　(:2006-10-20)(上接第362页)　　(2),,COD,COD,,。　　(3)COD,,,,。[1]　,.A2/O[J].,2000,16(7):11-15.[2]　,,.[M].:,2002:380-381.[3]　,.A2/O[J].,1998,14(3):27-30.[4]　,.A2N[J].,2004,36(8):83-88.责任编辑:赵　多　(:2006-06-05)　　《(POPs)》20074。。,20～25。POPs,。,,150t。、。　　2007322,,。。,。　　200744,(GEF)·,、、。,,,,。,GEF,,GEF,。·381·