201129A/O-MBR郑建国 李林宝(,650000) :研究了A/O-MBR工艺低温(水温在5~12℃)启动效能,结果表明,低温下A/O-MBR工艺启动迅速,活性污泥的培养驯化时间较短。启动过程中根据出水水质情况,逐渐提高负荷,运行34d,系统对COD的去除率能达到90%以上,系统对氨氮的去除率能达到96%以上,至稳定运行后氨氮的负荷平均可达到0.419kg/(m3·d),反硝化效果系统去除率基本能稳定在60%左右。:A/O-MBR;低温水处理;脱氮RESEARCHADVANCESSTARTUPOFA/O-MBRPROCESSATLOWTEMPERATUREZhengJianguo LiLinbao(Urban&RuralPlanning&DesignInstituteofYunnan,Kunming650000,China)Abstract:ThehypothermicenablementeffectivenessoftheA/O-MBRprocessisapproachedat5~12℃,theresultsindicatedthatatalowtemperature,A/O-MBRprocessstartsrapidly,andthecultureanddomestica-tionoftheactivatedsludgespendlittletime.Accordingtotheconditionofyieldingwaterqualityduringtheen-ablingprocedure,loadwasgraduallyincreased,anditcost34daysfortheenablementoperation,theCODre-movalrateofthesystemcanreach90%,andtheNH3-Nremovalratecanbeabove96%,theNH3-Nloadcanbe0.419kg/(m3·d)onanaveragewhentheprocessoperatesstably,systemremovalratioofthedenitrifica-tioneffectcangettoabout60%steadily.Keywords:anoxic-oxicMBRProcess;lowtemperaturewatertreatment;denitrification ,、,。,,,,,,。A/O-MBR。1 1.1 试验水质,:300~850mg/L;NH4Cl400~600mg/L;NaHCO3500~2500mg/L;KH2PO413~30mg/L;KNO30.6~5mg/L;NaNO21.5~16mg/L;MgSO4·7H2O、FeCl2·6H2O、ZnSO4·7H2O、CaCl2·2H2O、K2HPO4;pH7.5~8.5;1。1 /(mg·L-1)ρ(COD)320~800ρ(NH4+-N)110~160ρ(PO43-)3~7ρ(NO3--N)0.6~5.0ρ(NO2--N)1.5~16.0N-(1-)-ρ(TN)130~1801.2 工艺流程、、、、。,,,,;,8min,3min,;。434DOI:10.13205/j.hjgc.2011.s1.115 2011291-;2-;3-;4-;5-;6-;7-;8-;9-;10-11-;12-;13-;14-;15-;16-;17-;18-;19-1 1.3 试验过程(5~12℃),5℃,8℃,,,。:1),。MLVSS/MLSS0.58,,H2S。,,,24h,,,,A/O-MBR。2)、,,3434mg/L,3765mg/L,1d,,A/O-MBR,。3)、,。pH、DO,。4)a.:。A/O-MBR,,。5~12℃。b.pH:pH,、、pH6~8。,pH69.6,,pH8.0~8.4[1-3]。,、pH。c.DO::;。,DO、。,DO1~2mg/L,,,,。,DO3~4mg/L,DO。d.MLSS:,,,。,A/O-MBRMLSS,,2。2 MLSS2:1~5d,MLSS,5,1~5d,5,,,。2 ,ADO0.5mg/L,ODO3~5mg/L,200%。,,,,HRT25,21,18,15,12,9,7.5,9h,,,、A()、O()、COD、、、、TN。2.1 COD的去除效果435 201129COD3。3 COD3:0~8d,COD350~450mg/L,HRT=25h,COD,65.01%81.51%,A,56.01%60.78%,O,14.74%35.11%,,6.74%14.41%;8~18,COD450~650mg/L,HRT21,18,15,12h,COD,81.51%85.41%,A,60%65%;O,35%45%;,8~13,14%30%,13;18~34d,COD600~700mg/L,HRT9,7.5,9h,COD90%,A70%,O,。COD,,,,,,;,13,,-。COD,COD90%,COD,。2.2 氨氮的去除效果4。 4:HRT=25h,8d,4 99.4%,HRT21h,,,18h,,,,15,12,9h,:,,,。7.5h,:,,,,,18mg/L,GB18918-2002《》,9h,,5mg/L,,。2.3 硝态、亚硝态氮和总氮的去除效果,5。5 5:10~18d,AO,AO,7:,,。436 201129OMBR,MBRO,MBR。,6。6 6:A,A,,O,A,,A,,,,,,COD,,,;OMBR,,MBRO,MBR。7TN。7 7:,,24.78%,,,8d28.13%,17d32.26%,1~17,,17~24,,32.26%59.62%,24~33,,60%。,,COD,COD350~450mg/L,450~650mg/L,600~700mg/L。3 1)A/O-MBR,。,,,A/O-MBR,34d,COD90%,96%。2),,,,。3),COD,COD60mg/L,15mg/L,,。COD,18,30%,60%。4),,,。5)O,0.4%,。 650228 1008E-mail jim12lin@126.com2011-07-01437