| 摘要 |
<p>A road surface waste water treatment device (1) located on the road side of a road (2) and formed of a concrete block box (11) capable of reducing the release of contaminant to the environment so as to reduce a burden on a sewage treatment by removing the contaminant contained in road surface waste water, wherein an operation and maintenance tank (7) and a processing tank (9) are formed adjacent to each other through a partition wall (10) and allowed to communicate with each other on the underside thereof, the road surface waste water is flown into the operation and maintenance tank (7), the contaminant contained in the waste water is removed by the processing material (57) filled into a processing material storage body (27) while the processing tank (9) is raised, and the waste water is discharged into the drain pipe (56), whereby the road surface waste water is flown into the road surface waste treatment device through a guide port (120) and, after treatment, discharged to the drain pipe (56).</p> |
