刘国臣,王福浩,梁家成,佘宗莲

• 1:中国海洋大学环境科学与工程学院海洋环境与生态教育部重点实验室
• 2:青岛水务环境公司
• 3:山东省海洋环境地质工程重点实验室

摘要(Abstract)：

利用4个连续进水的垂直流人工湿地,比较分析水位对污染物去除效果的影响,研究湿地中植物对氮磷去除的贡献,阐析湿地中脱氮功能菌数量的演变规律。3个湿地栽种黄花鸢尾,水位分别控制在19、51和84cm,另一个湿地不栽种植物,水位为51cm。结果表明,水位对氮和有机物的去除有显著影响(p<0.05),栽种植物的湿地中,51cm水位时总氮去除率(67.4%～79.2%)最高,19cm水位时氨氮(85.3%～93.0%)和COD(81.8%～92.9%)去除效果最好。试验中黄花鸢尾均生长良好,植物吸收对总氮(Total nitrogen,简称TN)和总磷(Total phosphorus,简称TP)去除的贡献分别为19.2%～27.3%和14.7%～19.2%;植物地上部分发挥更重要作用,其TN和TP含量及对TN和TP的吸收量均高于地下部分。湿地表层基质中3种脱氮功能菌数量均随运行时间的增加而显著提高,亚硝化细菌和硝化细菌数量分别为10~4～10~6和10~5～10~7 MPN/g,随水位升高而减少;反硝化细菌数量为10~3～10~6 MPN/g,随水位升高而增加。

关键词(KeyWords)： 垂直流人工湿地;水位;湿地植物;功能菌

Abstract:

Keywords:

基金项目(Foundation): 国家水体污染控制与治理科技重大专项(2014ZX07203-008)资助~~

作者(Author): 刘国臣,王福浩,梁家成,佘宗莲

DOI: 10.16441/j.cnki.hdxb.20170431

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