人工湿地处理垃圾渗滤液-毕业论文

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1、 1 人工湿地处理垃圾渗滤液人工湿地处理垃圾渗滤液 摘要摘要: :介绍了人工湿地的组成和类型,人工湿地去除渗滤液中有机物、氮、磷和重 金属的机制。 人工湿地是一种很有前途的废水处理方法, 具有对污染物的去除能 力强、基建和运行费用低、维护管理方便、耐冲击负荷能力强等优点。对人工湿 地系统在垃圾渗滤液处理中的表现进行了分析, 结果表明, 其对有机物、 氮磷和 金属元素均具有较高的去除率。分析了影响人工湿地处理渗滤液效率的因子，根 据国内外成功的工程实例，分析了人工湿地处理垃圾渗滤液的变化适应能力、对 老化渗滤液处理效果、处理费用、经济和生态方面的优势,展示了该处理技术广 泛的应用前景,对以后的研

2、究进行了展望。 关键词：关键词：人工湿地；垃圾渗滤液；湿地植物 Discussion on Waste Leachate Treatment with Constructed Wetlands WANG Xue-bai Abstract:This article introduced the composition and type of the artificial wetland,elimination mechanism of organic matter,nitrogen,phosphorus and heavy metal within the infiltration fluid

3、in artificial wetland.Constructed wetland system is one kind of very promising treatment technology with the advantages of strong clear ability, relatively low cost,simple operation and good resistance to shock loading. The performance of constructed wet land in leachate treatment is analyzed.The re

4、sults show that it has strong ability to remove organic matter,nitrogen,phosphorus and metal element,and the application of constructed wetland to landfill leachate treatment.The factors affecting the removal efficiency in constructed wetland is also discussed,Meanwhile,the good adaptability to viar

5、ation,high processing efficiency towards aging leachate,and the low operating cost are summarized in advance,whatmore,the economic advantages and ecological advantages of constructed wetland in landfill leachate treatments were analyzed by the domestic and foreign successful examples.At last, the prospects of researches in this field were put forward. Key word: constructed wetland; landfill leachate; wetland plant 2 3 目目 录录 摘要 1 前言