:2009-07-08:(1978-),,,,。AOA/生物接触氧化法除氮效果分析(四川建筑职业技术学院设备工程系,四川德阳 618000):AOA/生物接触氧化法组合工艺对城市生活污水有较好的处理效果,试验结果表明:吸附池HRT=1h是AOA段脱氮效果最佳的值,而当F/M在2~3kgCOD/(kgMLSS·d)时,系统对NH+4—N和TN的去除率相对较高且比较稳定。本文即是对装置除氮效果的分析。:AOA;生物接触氧化;除氮:X131.2 :A :1005-5320(2009)05-0060-02TheAnalysisonRemovalEffectofNitrogenofCombinedTechnicsofAOA/Bio-contactOxidationLIUBao-wei(EquipmentengineeringDepartment,SichuanCollegeofArchitecturalTechnology,SichuanDeyang618000,China)Abstract:AOA/bio-contactoxidationhadbettertreatmenttomuniciplewastewater.Theexperimentalresultsshowedthat:undertheconditionofHRT=1h,AOAhadthebestremovaleffectofnitrogen,andwhentheF/M=2~3kgCOD/(kgMLSS·d),theremovalrateofNH+4—NandTNwererelativelyhighandrelativelystable.Thispaperwasabouttheremovaleffectofnitrogen.KeyWords:Anaerobic-aerobic-anoxic;Bio-contactoxidation;Removaleffectofnitrogen [1]SS、COD、TN,[2]。,,AOA,,“AOA—”,,、。。1 1.1 ,1。(GB18918-2002)B。1 COD(mg/L)SS(mg/L)NH+4—N(mg/L)TN(mg/L)TP(mg/L)pH(℃)185~41380~12057~8260~884.7~7.66~7.514~2532010070.373.76.27/1.2 AOA,Q=1.0~2.0m3/d,DO=2mg/L,,60r/min,DO0.2mg/L,,DO0mg/L,100%,5∶1。8d。15d,,600~1500mg/L。,/HRT、F/M,HRT0.75、1.0、1.5h,F/M1.8kgCOD/(kgMLSS·d)、2.8kgCOD/(kgMLSS·d)、3.8kgCOD/(kgMLSS·d)。,2。1。2 123456789HRT(h)0.751.01.50.751.01.50.751.01.5F/M(kgCOD/(kgMLSS·d))1.81.81.82.82.82.83.83.83.8Q(m3/d)2.01.51.02.01.51.02.01.51.02 2.1 AOANH+4—N26.28%,43.73%。F/M=3.8kgCOD/(kgMLSS·d)、HRT=1.5h,AOANH+4—N,·60· 26Vol.26 5No.5 StudiesofTraceElementsandHealth 2009 9Sept. 200939.42%;NH+4—NF/M=2.8kgCOD/(kgMLSS·d)、HRT=1.5h,72.65%。AOA,,TN。,,,,[3]。,HRT=0.75h,F/M,AOANH+4—NTNF/M=2.8kgCOD/(kgMLSS·d);HRT=1.0h,F/M,F/M=2.8kgCOD/(kgMLSS·d);HRT=1.5h,F/M,。HRTF/M。HRT≥1.5h,,HRTF/M,,。F/M,HRT,NH+4—N,B,AOA,,B,B,F/M,B,,,。,B。HRT,,,HRT,HRT。,,。,HRT,,,[4]。,HRT=1hAOA,F/M2~3kgCOD/(kgMLSS·d),NH+4—NTN。2.2 ,、、、。①。,BOD5/TKN58,,,()。,,BOD5/COD0.4~0.65[5],0.5,COD327mg/L,TKN,,TKN,70mg/L,BOD5/TKN4.67,,。,BCOD89~130mg/L,TN19.0~49.0mg/L,B,TN。②,。,。,3,3~5d,,10d,AOA8d,F/M=3.8kgCOD/(kgMLSS·d),HRT=1.5h,39.42%39.95%。③2~3mg/LDO,,DO,,,。,,,DO,,。④,3000mg/L,,,,,600~1500mg/L,。3 ①AOA/AOAB。②:HRT=1hAOA,F/M2~3kgCOD/(kgMLSS·d),NH+4—NTN。③、、、。:[1]蒋展鹏,尤作亮,师绍琪.城市污水强化一级处理新工艺———活化污泥法[J].中国给水排水,1999,14(3):25-27.[2]张金梅,王 涛.生物絮凝吸附/生物接触氧化组合工艺处理城市污水试验研究[J].重庆建筑大学学报,2007,29(6):101-104.[3]郑兴灿,李亚新.污水除磷脱氮技术[M].北京:中国建筑工业大学,1998.[4]谢有奎,颜强.污泥负荷对污水生物去除氮、磷和有机物的影响[J].重庆建筑大学学报,2004,20(20):12-14.[5]张自杰.排水工程(下册)[M].第4版.北京:中国建筑工业出版社,2000.·61· 26Vol.26 5No.5 StudiesofTraceElementsandHealth 2009 9Sept. 2009