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首页> 外文期刊>Water Science and Technology >Using a constructed wetland for non-point source pollution control and river water quality purification: A case study in Taiwan
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Using a constructed wetland for non-point source pollution control and river water quality purification: A case study in Taiwan

机译：利用人工湿地进行面源污染控制和河水水质净化：以台湾为例

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摘要

The Kaoping River Rail Bridge Constructed Wetland, which was commissioned in 2004, is one of the largest constructed wetlands in Taiwan. This multi-function wetland has been designed for the purposes of non-point source (NPS) pollutant removal, wastewater treatment, wildlife habitat, recreation, and education. The major influents of this wetland came from the local drainage trench containing domestic, agricultural, and industrial wastewaters, and effluents from the wastewater treatment plant of a paper mill. Based on the quarterly investigation results from 2007 to 2009, more than 96% of total coliforms (TC), 48% of biochemical oxygen demand (BOD), and 40% of nutrients (e.g. total nitrogen, total phosphorus) were removed via the constructed wetland system. Thus, the wetland system has a significant effect on water quality improvement and is capable of removing most of the pollutants from the local drainage system before they are discharged into the downgradient water body. Other accomplishments of this constructed wetland system include the following: providing more green areas along the riversides, offering more water assessable eco-ponds and eco-gardens for the public, and rehabilitating the natural ecosystem. The Kaoping River Rail Bridge Constructed Wetland has become one of the most successful multi-function constructed wetlands in Taiwan. The experience obtained from this study will be helpful in designing similar natural treatment systems for river water quality improvement and wastewater treatment.
机译：高平河铁路桥人工湿地于2004年投入使用，是台湾最大的人工湿地之一。该多功能湿地旨在用于非点源（NPS）污染物去除，废水处理，野生生物栖息地，娱乐和教育。该湿地的主要污水来自当地的排水沟，该污水沟含有生活，农业和工业废水，以及造纸厂废水处理厂的废水。根据2007年至2009年的季度调查结果，通过结构去除了大肠菌群（TC）的96％，生化需氧量（BOD）的48％和营养素（例如总氮，总磷）的40％湿地系统。因此，湿地系统对改善水质具有重大影响，并且能够在将大部分污染物排放到降级水体之前从当地排水系统中去除大部分污染物。这种人工湿地系统的其他成就包括：在河边提供更多的绿色区域，为公众提供更多的水可评估的生态池塘和生态花园，以及恢复自然生态系统。高平河铁路桥人工湿地已成为台湾最成功的多功能人工湿地之一。从这项研究中获得的经验将有助于设计类似的自然处理系统，以改善河水水质和废水处理。

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