| 气水比回流比及冲击负荷对BAF的影响 |
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| 引用本文： | 徐亚明,吴浩汀.气水比回流比及冲击负荷对BAF的影响[J].环境科学与技术,2004,27(6):47-49. |
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| 作者姓名： | 徐亚明 吴浩汀 |
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| 作者单位： | 常州市建设工程质量监督站,常州,213003;东南大学土木学院环境工程系,南京,210096 |
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| 摘 要： | 研究气水比、回流比及冲击负荷对BAF前置反硝化工艺的影响。研究结果表明BAF前置反硝化工艺最佳气水比为 3∶1 ,最佳回流比为 2 0 0 %。该工艺具有较强的抗冲击负荷能力 ,COD的最佳去除负荷可达 7.70 4kg/ (m3·d) ,NH3-N的最大去除负荷为 1 .2 85kg/ (m3·d) ;水力负荷对COD的去除影响较小 ,对NH3-N、TN的去除影响较大 ,宜将水力负荷控制在 2 .39m/h以下
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| 关 键 词： | 曝气生物滤池 前置反硝化 气水比 回流比 冲击负荷 |
| 文章编号： | 1003-6504(2004)06-0047-03 |
| 修稿时间： | 2003年5月30日 |
Impact of Gas and Water Ratio, Backflow Ratio and Flushing Load on Biological Aerated Filter |
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| XU Ya-ming,WU Hao-ting.Impact of Gas and Water Ratio, Backflow Ratio and Flushing Load on Biological Aerated Filter[J].Environmental Science and Technology,2004,27(6):47-49. |
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| Authors: | XU Ya-ming WU Hao-ting |
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| Institution: | XU Ya-ming~1,WU Hao-ting~2 |
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| Abstract: | The impact of gas and water ratio, backflow ratio and flushing load on biological aerated filter was studied, and results showed that the best gas and water ratio was 3∶1 and backflow ratio 200% by biological aerated filter process, with strong flushing resist load, best COD removal efficiency up to 7.704kg/(m~3\5d) and maximum NH_3-N removal efficiency of 1.285 kg/(m~3\5d), while hydraulic load had little effect on COD removal and relatively bigger effect on NH_3-N, TN removal, with hydraulic load controlled below 2.39m/h. |
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| Keywords: | biological aerated filter gas and water ratio backflow ratio flushing load |
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