回流比对前置反硝化BAF工艺脱氮性能研究 |
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引用本文: | 陆艳侠. 回流比对前置反硝化BAF工艺脱氮性能研究[J]. 科技信息, 2013, 0(7): 164-165 |
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作者姓名: | 陆艳侠 |
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作者单位: | [1]安徽建筑工业学院,安徽合肥230000 [2]六安职业技术学院,安徽六安237000 |
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摘 要: | 研究了采用前置反硝化曝气生物滤池工艺直接对生活污水进行处理,回流比对该工艺处理效果的影响。在一定范围内增大回流比有利于提高系统总脱氮率。根据试验结果,建议回流比选择2:1。在此条件下,COD去除率大于80%;NH4+-N去除率大于97%;总脱氮率大于75%。
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关 键 词: | 曝气生物滤池 前置反硝化 回流比 |
Impact of Reflux Ratio on the Denitriflcation Performance of Pre-denitrification Biological Aerated Filter |
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Abstract: | An experiment was carried out on domestic sewage using BAF with pre-denitrification process. The results show that reflux ratio on this system is significant. Within a certain range of increasing total nitrogen removal rate of the reflux ratio improves the system. According to the trial results, recommend that reflux ratio select 2:1. Under this condition, COD removal efficiency is greater than the 80%;NH4+-N removal efficiency greater than 97%; total nitrogen rate greater than 75%. |
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Keywords: | Biological aerated filter Pre-denitrification process Reflux ratio |
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