不同水深条件下芦苇湿地对氮磷的去除研究

被引:20
作者
张葆华 [1 ]
吴德意 [1 ]
叶春 [2 ]
李艳青 [1 ]
隋艳明 [1 ]
孔海南 [1 ]
机构
[1] 上海交通大学环境科学与工程学院
[2] 中国环境科学研究院水环境研究所
关键词
湿地; 芦苇; 水深; 氮; 磷; 去除;
D O I
10.19672/j.cnki.1003-6504.2007.07.002
中图分类号
X524 [湖泊、水库];
学科分类号
摘要
研究了两种水深条件(2cm浅水位和15cm深水位)下芦苇湿地对模拟太湖水中氮磷的净化能力。结果表明,芦苇的存在明显地促进湿地脱氮除磷能力的发挥。湿地内反硝化过程为主要脱氮途径。芦苇对湿地反硝化过程的促进作用主要是通过提供有机碳源实现的。在相同进水水质和停留时间为24h的运行条件下,浅水位芦苇湿地与深水位芦苇湿地相比对氮磷的去除率更高,但后者对氮磷的去除速度更快。
引用
收藏
页码:4 / 6+39+115 +39
页数:5
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