| 复合垂直流人工湿地除氮正交试验研究 |
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| 引用本文： | 王全金,李忠卫,李丽.复合垂直流人工湿地除氮正交试验研究[J].安徽农业科学,2010,38(17):9211-9213. |
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| 作者姓名： | 王全金 李忠卫 李丽 |
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| 作者单位： | 1. 华东交通大学土木建筑工程学院,江西南昌,330013
2. 中国瑞林工程技术有限公司,江西南昌,330002 |
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| 基金项目： | 国家"十一五"科技支撑计划重点课题，江西省自然科学基金项目 |
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| 摘 要： | 目的]为提高湿地除氮效率提供理论依据。方法]选择美人蕉和风车草构建的复合垂直流人工湿地试验系统开展除氮正交试验研究,确定复合垂直流人工湿地流程、水力负荷、pH值、COD等因素对除氮效果的影响。结果]复合垂直流人工湿地流程、水力负荷、pH值、COD等对除氮效果均具有影响,各因素对氨氮去除率的影响由大到小依次为：流程〉水力负荷〉pH值〉COD,对总氮去除率的影响由大到小依次为：流程〉水力负荷〉COD〉pH值;当流程为1 100 mm,水力负荷为181.25 mm/d,pH值为7~8,COD为170 mg/L时,除氮效果最好,美人蕉、风车草湿地对氨氮的去除率分别为55.90%和55.49%,对总氮的去除率分别为70.69%和65.80%。结论]该研究确定了复合垂直流人工湿地除氮的最佳运行工况。
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| 关 键 词： | 垂直流人工湿地 除氮效果 正交试验 |
Orthogonal Experimental Research on Nitrogen Removal with Integrated Vertical Flow Constructed Wetlands |
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| WANG Quan-jin et al.Orthogonal Experimental Research on Nitrogen Removal with Integrated Vertical Flow Constructed Wetlands[J].Journal of Anhui Agricultural Sciences,2010,38(17):9211-9213. |
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| Authors: | WANG Quan-jin |
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| Institution: | WANG Quan-jin et al (College of Civil and Building Engineering,East China Jiaotong University,Nanchang,Jiangxi 330013) |
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| Abstract: | Objective] The aim was to supply the theoretical basis for enhancing nitrogen(N) removal efficiency of wetland.Method] The experimental system of integrated vertical flow constructed wetlands,which were constructed with India canna and windmill grass were selected for developing orthogonal experimental research on N removal.Then the influences of factors such as flow length,water-power load,pH value and COD of integrated vertical flow constructed wetlands on N removal effect were confirmed.Result] The fa... |
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| Keywords: | Vertical flow constructed wetland Nitrogen removal effect Orthogonal experiment |
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