巢湖流域小城镇面源污染湿地净化技术工程设计及应用  

Engineering and Application of Wetland Purification Technology for Surface Source Pollution in Small Towns in Chaohu Lake Basin

作　　者：刘小毓 谢壮 李权[1] LIU Xiao-yu;XIE Zhuang;LI Quan(Powerchina Northwest Engineering Corporation Limited,Xi'an 710065,Shanxi,China)

机构地区：[1]中国电建集团西北勘测设计研究院有限公司,陕西西安710065

出　　处：《湿地科学与管理》2024年第3期26-31,共6页Wetland Science & Management

摘　　要：巢湖作为全国水污染重点防治的“三河三湖”之一,城镇面源污染已成为其重要污染源。为治理流域面源污染并优化工程费效比,以槐林镇新建人工湿地为例,提出“前置生态塘+表流人工湿地”组合工艺。通过多水塘活水链技术、地形改造和植物种植等工程措施,构建丰富多样的水生态系统。工程建设有效湿地面积2.2万m^(2),日处理水量2000m^(3),年去除COD总量可达16.6t,NH_(3)-N总量2t,TP总量0.64t,有效截流了初雨,净化石茨河上游来水,削减槐林镇面源污染,改善了入巢湖水质。工程实施实现了生态修复、水质净化和景观效果提升,工程造价优化成效显著。Chaohu lake,as one of the"Three Rivers and Three Lakes"in the national water pollution prevention and control program,surface pollution in towns has become an important source of pollution in its watershed.To manage the face source pollution in the towns in the basin and optimize the cost-effectiveness ratio of the project,this paper takes the new artificial wetland in Huailin town as an example,and proposes the combination process of"front ecological pond+surface flow artificial wetland".Through the multi-pond living water chain technology,terrain modification,plant planting,and other engineering measures,to build a rich and diverse water ecosystem.The project constructs an effective wetland area of 22000 m^(2),with a daily water treatment capacity of 2000 m^(3),and the total amount of COD can be removed up to 16.6 t,NH3-N 2 t and TP 0.64 t per year,which can effectively intercept the first rain,purify the water coming from the upstream of Shizi river,cut down the surface pollution of the township,and improve the quality of the water entering into the Chaohu lake.Realize ecological restoration,water purification,and landscape enhancement of the functional,while cost optimization is effective.

关 键 词：巢湖流域 镇区面源污染治理 表流人工湿地 工程设计 景观提升 

分 类 号：X826[环境科学与工程—环境工程]