35320096 ScienceTechnologyofBaotouSteel(Group)CorporationVol.35,No.3June,2009350m3/h*巴雅尔,李 妍,刘翠萍(内蒙古包钢钢联股份有限公司焦化厂,内蒙古 包头 014010) :A/O350m3/h,,,。:A/O:TQ520.9 :B :1009-5438(2009)03-0072-04DebuggingforStartOperationof350m3/hCokingWastewaterTreatmentSystembyBiodenitrificationBAYa-er,LIYan,LIUCui-ping(CokingPlantofSteelUnionCo.Ltd.ofBaotouSteel(Group)Corp.,Baotou014010,NeiMonggol,China) Abstract:ThispaperintroducestheapplicationofA/OprocessinthecokingwastewatertreatmentinBaotouSteel,anddiscussesthecultivationandacclimatizationofactivatedsludgeindebuggingforthestartoperation,thesystemloadup-grade,stableoperationandtheadjustmentoninfluencefactorsofthenitrificationanddenitrificationreaction. Keywords:cokingwastewater;A/Oprocess;biodenitrification;sludgeacclimatization 350m3/h20075,1020,350m3/h,《》[1]。、、、。、、,、,、COD,。1 工艺流程简介SDN(A/O)。SDN2:。,;,,;,。,,A,。1。2 污泥的培养及驯化,。,600t,。*:2009-03-01:(1972-),,,,。3350m3/h图1 工艺流程 ,,,,,,。,。,1~2,,,,A/O,,A/O。,。、pH。,pH,,,。3 生化处理系统的调试,。。、,、、pH、、,,,。COD0.02kg-COD/kgMLSS.d,COD2850mg/L,62m3/h。20%~30%,COD62、125、185、250、310、350m3/h,10,。,NaOH4~4.5t/d,1.5~2t/d,270mg/L(CaCO3)。C∶N∶P=100∶5:1,100kg,0.5mg/L。3.1 200864(≤25mg/L),18.3mg/L,616(≤15mg/L),11.2mg/L。95.5%。M180,COD100mg/L。COD2。,—,,99%,CODcr80%~95%,80%~90%3。图2 生化系统对COD的去除效果图3 启动后污染物去除情况3.2 (1)(ORP)。(ORP),。ORP()7335(、H2S)。(mV)1。1 mV+300~+400+100-200~-250-100,(A)(ORP)-250~-500mV。,A,,COD。ORP,,SDN。(2)。。,H2O、CO2、NH3;,[2]。;,,。,,。,,[3]。O4~6mg/L,2mg/L,,,。A0.5mg/L,。(3)。28~38℃,30~33℃,30~39℃。,SV30,,。(4)pH。,ApH7~8,OpH,8.0~8.4。pH,,4.5,,。pH,。,pH,O,,O100~150mg/L。(5)(HRT)。,HRT,,,,HRT65~75h。4 深度处理系统的调试M180,COD,。COD100mg/L,70mg/L。M180COD30%。CODCOD。2008102628COD2。,,,。2,,。,97%80%。,,。-PAM,0.1%~0.3,80%8~10t。2 CODCOD(mg·L-1)COD(mg·L-1)10.268:00108.376.6914:00121.890.2320:0099.670.92:00109.786.0910.278:00111.475.9614:0096.284.420:00114.884.42:0011477.610.288:00109.775.914:00136111.420:0010887.82:0010377.65 结束语(1),,743350m3/h。,,。,、。(2),,,。,COD7%,,,,。(3),,,。(4)200t/h,,,。,87.6。(5),,;,。 [1] GB8978-1996,污水综合排放标准[S].[2] 徐亚同,黄民生.废水生物处理的运行管理与异常对策[M].北京:化学工业出版社,2003.[3] 周群英,高廷耀.环境工程微生物学(第二版)[M].北京:高等教育出版社,2000.(上接第68页),。TY,,、,、,,。3.7 ,,;,,、。3.8 ,,,、、,,。4 结束语,,,,0%,,。 [1] 汪玉林.汽轮机设备运行及事故处理[M].北京:化学工业出版社,2006.[2] 华东电业管理局编.汽轮机运行技术问答[M].北京:中国电力出版社,1997.75