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Nitrogen Removal in Lake Water Treated by Vertical Flow Constructed Wetland
Author(s): 
Pages: 131-134
Year: Issue:  3
Journal: RESEARCH OF ENVIRONMENTAL SCIENCES

Keyword:  垂直流人工湿地湖水净化脱氮;
Abstract: 将欧盟资助项目研究成果应用于实际工程中,以垂直流人工湿地净化湖水的应用工程作为研究对象,通过实例总结系统的脱氮效能,考察垂直流人工湿地(包括循环净化系统和补水净化系统)对湖水净化后水质的维护效果与应用前景,检验参数的合理性,并分析相关原因.结果表明,2种功能的垂直流人工湿地均达到了设计的脱氮效果,在水力负荷为1 000~2 000mm/d时,循环净化系统和补水净化系统总氮的平均去除率分别为37.8%和37.5%,氨氮的平均去除率分别为44.8%和43.6%.湖水经湿地净化后能维持较好的水质,能达到国家<地表水环境质量标准>(GB3838-2002)Ⅲ类标准.
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