Reliant Energy has selected Siemens Water Technologies to provide a system to treat wastewater from a Flue Gas Desulfurization scrubber being constructed at the Keystone Generating Station in Pennsylvania, USA.

The wastewater system will include storage tanks, reaction tanks, chemical feed systems, a clarifier, gravity sand filters, and belt filter presses. The wastewater treatment system will de-saturate the wastewater and remove suspended solids and heavy metals from the scrubber waste stream so the water can be safely discharged.

The project is scheduled to begin operation in 2009.

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