Treatment of Large Rain Water Flows - Video
TREATMENT OF LARGE RAIN WATER FLOWS Salher rainwater treatment line with entrained solids, suspended particles and oily substances. The influent arrives by pumping from a stormwater tank located upstream at a fixed design flow. This treatment sequence begins with a pressure release chamber to relieve water pressure and achieve a water regime as laminar as possible. After breaking its turbulence, the water flows through a flow distribution chamber in two lines in parallel, given the large volume of water to treat. The next phase of the treatment line is a de-sanding process where, with the help of lamellas, the settling of solids is performed. Next, we will find an oil/water separator where coalescing plates improve the flotation of hydrocarbons. Then, in the refining phase, the traces of hydrocarbons are completely removed. This last phase corresponds to the three lines in parallel of the image. After the separation of most of the hydrocarbons / oils present in the water, a battery of three active carbon filters is placed to absorb the remaining traces of hydrocarbons, organic matter and chloramines, thus obtaining a water that can be discharged into rain waterways. This last part of the system is designed with bypass technology to facilitate maintenance tasks.
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