【摘要】 帽石沟小流域净化污水人工湿地建设在地势平缓的流域出口处,填料为粗砂、豆石、砾石及当地表层土壤,过滤植被为金丝柳。分析了该人工湿地在帽石沟流域污水净化中所起的作用,结果表明:人工湿地去除了污水中的一部分营养物质,在该湿地现阶段的运行当中,以磷的去除率为最高,达到25%。同时,为使该湿地更好地发挥作用,提出了一些改进意见。更多还原

【Abstract】 Artificial wetland for purifying sewage in the small drainage of Maoshigou is built in flat and non-steep exit of the drainage,taking coarse sand,gravel and local surface soil as packing,Salix Linn as filter vegetation.The paper analyzes the function of the wetland in purifying sewage,and the result reveals a part of nutrient in sewage is eliminated,the highest rate of elimination is phosphorus in particular,attaining 25%.In order to achieve better benefit,the text gave a number of suggestions for improvement.更多还原