改进AB工艺强化脱氮运行实践与分析苏堂营

285Vol.28No.52007JournalofQingdaoTechnologicalUniversityAB苏堂营,王存峰,卓春敏,孔徳刚(,272000)　:ABAB,ABHRT(HRT:3～3.7h)62%～81%,15mg/l,.BA,A,A,,.:AB;;;:X703.1　　　:A　　　:1673—4602(2007)05—0066—04　　AB,、,、.,AB.1　、COD(mg/l)BOD5(mg/l)SS(mg/l)TKN(mg/l)NH4-N(mg/l)TP(mg/l)60020025035/21003030/15/1　AB,20m3/d,2/3.,.1.1　1.B(HRT)4.28h,,,4,,8,.,B,.2　20027,14m3/d,。2003COD、BOD5、SS,,《》(GB18918—2002).、:2006—09—075　　,:AB,、.20039—20043、2.2　、(mg/l)CODBOD5SSTNNH4-NTP422～580152～190141～37658.0～66.047.6～53.74.59～7.070～9113～1926～3042.0～52.032.5～44.72.39～2.79,B,BA/O,.3　3.1　,20039—20043TP41%～66%,TP《》(GB18918—2002)3mg/l,,,TP3mg/l.,A,,ABB[1-2].,20039—2004312～14m3/d(2003918m3/d),BHRT6.2～6.9h,SRT8～12d,15℃,DO3mg/l,BpH8,,BMLSS1600～2500mg/l,COD-0.50～1.16kgCOD/(kgMLSS.d),BOD5-0.17～0.38kgBOD5/(kgMLSS.d),,BOD5-0.15kgBOD5/(kgMLSS.d)[1-3],,B.,.,,DO,,,AB,,.3.2　,,BMLSS,,,.ASS、BOD5,B,ABADMONT[1],AB,BA,A.B,A,BA,,,.4　4.1　:20043BA,BA,AB.B21,DO0.5mg/l.HRTBHRT5/8,1/4,1/8,BDO3mg/l.BMLSS,.A.4、5、618～25mg/l,.BMLSS3500mg/l,,,MLSS3000mg/l,.B45～75m3/h,A.:6AB,B.6728BMLSS,BMLSS6000mg/l,,,,BMLSS4000mg/l.ABB,,().,COD-BOD5-,0.20～0.32kgCOD/(kgMLSS.d),,B,(62%～81%),15mg/l,107.9mg/l,.34.34,,HRT,,,.3　B4567891011(m3/d)142961140551152584157177175764167483145790146446HRT(h)5.996.095.615.454.875.115.875.85HRT(h)3.743.813.513.413.03.23.673.66kgCOD/(kgMLSS.d)0.370.450.360.200.210.200.220.32MLSS(mg/l)301729183059608742473826380437044　COD、BOD5、NH4-NNO3-N(mg/l)CODBOD5NH4-NBBBNO3-N(kg/d)(kg/d)427385871854.825.0/7834.34260.254%5323851001755.418.0/7786.55256.668%624874761147.918.730.77308.84455.561%72476275836.010.823.25658.43962.470%81816668937.014.027.56503.34042.662%91686765838.18.432.76381.14974.278%1020070661242.27.934.16152.35005.081%1128683751047.614.923.06970.84788.869%BA100～140m3/h,A,A,,,A.ASVI.A,,,.BA,A,,.,AB,A,3%～5%,.,B[2],,TN,,.,BBOD5,BOD5/TKN4[3-4],5～8[1]685　　,:AB.4BBOD5/NH4-N2,BOD5/TKN,,AAB,.,,B1/4,HRT1.5h,,.4.2　COD、BOD5SS,,.TP3mg/l,48%～64%,A23%～51%,41%～66%A24%～47%,,TP5.5　TP(mg/l)45678910116.065.975.714.244.184.263.974.24A3.403.903.863.262.372.072.763.242.732.792.972.211.521.561.741.985　ABAB,B,,,HRT(HRT:3～3.7h)(62%～81%),15mg/l.,B,,HRT1.5h,.BAA,A,A,,,.AB.,.:[1]　,.:[M].:,1999.[2]　,.[M].:,2001.[3]　.[M].:,1997.[4]　,,,.AB[J].,2001,22(1):69-72.[5]　,,,.[J].,2006,27(4):68-71.OperationandanalysisofmodifiedABprocessforremovalofnitrogenSUTang-ying,WANGCun-feng,ZHUOChun-min,KONGDe-gang(JiningWastewaterTreatmentPlant,Jining272000,China)Abstract:ABprocessdesignedwithouttheabilityofremovalofnitrogenismodifiedbyintroducingacer-tainmixtureofA-stageaerationtankintoB-stage.Theresultshowsthesystemgets62%～81%nitrifi-cationremovalefficiency;theeffluentNH4-Nislowerthan15mg/l.However,theabilityofdenitrifica-tionimproveslittlebecauseoftheshortageofcarbonsource.ThesurplussludgeofB-stageisconveyedtoA-stageaerationtank,whichcanvaccinatethemicrobetoA-stage,andpreventthesludgefromfloat-ingingravitythicktank,getabettersludgethickanddewateringcapability.Keywords:ABprocess;removalofnitrogen;WWTP;processmodification:苏堂营(1966-　),男,山东济宁人.工程师,研究方向:污水处理与工艺改进.69