| 摘要 |
PURPOSE: An apparatus for treating non-point pollutant from urban environment using an ecological ditch is provided to prevent the pollution of rivers by efficiently purifying non-point pollutant contained in initial rainwater. CONSTITUTION: An upper side protecting grating(1) protects a soil layer, plants, and a treating main body(2). The treating main body is comprised of concrete or a synthetic resin body and forms the treating structure of non-point pollutant from urban environment. An ecological ditch(3) includes a filter soil layer(33) generating filtering absorption and microorganism decomposition and a planting part(34). An overflowing wall(4) and a water draining path are further prepared. |
