| 污水停留时间对多级人工湿地塘组合系统除氮的影响 |
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| 引用本文： | 王全金,万博阳,戚晓波.污水停留时间对多级人工湿地塘组合系统除氮的影响[J].科学技术与工程,2016,16(5):245-249. |
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| 作者姓名： | 王全金 万博阳 戚晓波 |
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| 作者单位： | 华东交通大学土木建筑学院,华东交通大学土木建筑学院,华东交通大学土木建筑学院 |
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| 基金项目： | ] 国家自然科学(51169006): 多级人工湿地-塘组合处理鄱阳湖农业径流及工艺优化。 |
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| 摘 要： | 通过多级人工湿地-塘组合系统在不同的污水停留时间下处理污染水体,对各项出水污染物进行测试对比。结果表明:在初春低温条件下,COD、TN和NH_4~+-N的去除率随着污水停留时间的增加显著提高,其中COD在污水停留时间达到5 d之后去除率开始趋于平缓,TN和NH_4~+-N的去除率在污水停留时间达到5 d之后出现下降。表明在保证处理效果的前提下,污水停留时间选在4~5 d之间较为合理。这为实际处理污染水体提供了一定的参考。
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| 关 键 词： | 多级人工湿地 塘 污水停留时间 除氮 |
| 收稿时间： | 2015/10/10 0:00:00 |
| 修稿时间： | 2015/11/4 0:00:00 |
Influence of hydraulic retention time on the removal of nitrogen in multiple constructed wetland-pond combined system |
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| WANG Quanjin,WAN Boyang and QI Xiaobo.Influence of hydraulic retention time on the removal of nitrogen in multiple constructed wetland-pond combined system[J].Science Technology and Engineering,2016,16(5):245-249. |
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| Authors: | WANG Quanjin WAN Boyang and QI Xiaobo |
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| Institution: | School of Civil Engineering and Architecture,East China JiaoTong University,School of Civil Engineering and Architecture,East China JiaoTong University |
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| Abstract: | Through multiple constructed wetland-pond combined system dispose polluted water in different hydraulic retention time. Tested and contrasted concentration of the water pollutants. The results showed that in early spring with increasing hydraulic retention time the COD, TN and NH4+-N removal rate increased significantly. When the hydraulic retention time up to 5 days, the COD removal rate began to flatten, TN and NH4+-N removal rate began to decline. Ensure the treatment effect, the hydraulic retention time is reasonable between 4 days and 5 days. This provides a reference for the actual treatment of polluted water. |
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| Keywords: | multiple constructed wetland pond hydraulic retention time nitrogen removal |
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