前置反硝化BAF对氨氮的去除效果研究  

Study on Removal Efficiency of Ammonia Nitrogen by Pre-denitrification Biological Aerated Filter

作　　者：陆艳侠[1] LU Yanxia(School of City Construction, Lu＇ an Vocational Technical College, Lu＇ an 237158, Anhui, China)

机构地区：[1]六安职业技术学院城市建设学院,安徽六安237158

出　　处：《咸阳师范学院学报》2017年第2期71-74,共4页Journal of Xianyang Normal University

摘　　要：以水温、原水COD负荷、填料高度、原水氨氮浓度为基本控制参数,对曝气生物滤池前置反硝化工艺去除氨氮的工艺性能进行研究。试验结果显示,回流比为2:1、水温高于21.5℃、原水氨氮浓度小于32.41 mg/L、COD负荷低于5.45 kg/(m3·d)时,系统对氨氮去除效果好,平均去除率为86.1%。在好氧段,填料层高度设置为1.3 m时,出水氨氮浓度低于2 mg/L,系统对氨氮的去除效果远远低于国家标准要求。In this paper, in order to provide theoretical basis for the practical engineering, the removal of ammonia nitrogen from the pretreatment biological aerated filter （BAF） was studied in terms of temperature, influent COD loading, packing height and influent ammonia nitrogen concentration as the basic control parameters. According to the experimental results, the reflux ratio was 2：1; the water temperature was higher than 21.5~C; the influent NH3＋, N concentration was less than 32.41mg/L; the COD loading was lower than 5.45kg / （m3＂ d） ; the system of the NH4~, N removal effect is good; the av- erage removal rate is 86.1%. In the aerobic stage, when the height of the packing layer is set to 1.3m, the ammonia nitrogen concentration in the effluent is lower than 2mg/L, and the removal effect of ammonia nitrogen is far beyond the national standard.

关 键 词：曝气生物滤池 前置反硝化 氨氮去除效果 

分 类 号：X703.1[环境科学与工程—环境工程]