| 摘要 |
<p>The present invention relates to a ditch running rainwater to a stream or a river, and, more specifically, to an ecological ditch which has a medium floating type filter and vegetation in order to prevent pollutants on the ground surface to flowing in the stream or the river with the rainwater so that the pollutants are removed and purified. Thus, the ecological ditch purifying the pollutants according to the present invention is a ditch through which sewage or wastewater flows from a drain pipe to the stream or the river, wherein the ditch comprises: a ditch wall formed to be higher than the bottom of the ditch; the medium floating type filters installed on the bottom of the ditch and purifying the pollutants contained the sewage or the wastewater; filter grooves fixing the medium floating type filters; and drilled hole parts installed between the filter grooves and in which the vegetation grows.</p> |
