Water/Wastewater

Pollution Prevention Under Tropical Rain Storms

Nov 07 2011 Read 7420 Times

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Where intense tropical rain meets rapid urban development, the loser is frequently the local water course, into which all the trash, silts, hydrocarbons and other pollutants are discharged with the stormwater runoff. The sea is the final recipient, and riverine silts and sediments can be detected and often still seen many miles out from the estuaries of large tropical rivers.

To help mitigate this pollution, recent trials of Hydro International’s Downstream Defender® by the National Hydraulic Research Institute of Malaysia (NAHRIM) have shown promise in an installation close to the capital, Kuala Lumpur. This Gross Pollutant Trap (GPT) based on a hydro-dynamic vortex separation process has demonstrated the value of advanced design and proven performance in reducing gross pollution from storm flows.

A video of the Downstream Defender® Trials can now be found here

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