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漂浮植物修复技术净化城市河湖水体试验研究
Water Quality Purification of Urban Lakes and Rivers with Floating Phytoremediation System
查看参考文献11篇
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文摘
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阐述了漂浮栽培植物修复系统的技术原理、特点与系统组成，研究了在该系统中种植美人蕉和旱伞草2种植物的生长状况以及这些植物对城市河湖水体中氮、磷等的净化效果。尝试了将漂浮栽培植物与生物接触氧化技术结合起来，并研究了植物与生物填料的组合系统对水质的改善效果。结果表明，美人蕉和风车草在漂浮植物修复系统对氨氮的去除率均在90％以上，漂浮栽培植物与软性填料的组合系统对水中COD_(Mn)的去除率达46％以上。 |
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其他语种文摘
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The technological principle, characteristics and composition of floating phytore mediation systems for water quality restoration were described and analyzed. The growth and effect of Canna generalis and Cyperus alternifolius on TN and TP removal from urban water bodies were also investigated based on experiments. And a new bio-plant technology for water quality restoration of urban water bodies, which combined floating cultivation system with biological contact oxidation, was utilized to purify polluted water of an urban river and a lake in Xi＇an City of China. The experimental results showed that Canna generalis and Cyperus alternifolius had better effects on water body purification, and more than 90% of nitrogen was removed by the both systems. And the bio-plant system composed of floating cultivation and soft bio-media could not only remove TN and TP effectively, but also greatly degrade organic pollutants from the water bodies, with a high removal rate of 46% of COD_(Mn) obtained. |
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来源
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地理科学进展
,2006,25(6):62-67 【核心库】
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关键词
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漂浮植物修复系统
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净化
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生物接触氧化
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城市河湖
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地址
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西安建筑科技大学环境与市政工程学院, 西北水资源与环境生态教育部重点实验室, 西安, 710055
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1007-6301 |
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学科
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环境科学基础理论 |
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基金
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国家科技攻关计划重大项目
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陕西省西安市建委建设科技项目
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文献收藏号
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CSCD:2666969
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