GE’s water reuse technology saves 1.3 million gallons of water daily at Pennsylvanian power plant

General Electric (GE) said that the implementation of its advanced RePAK water reuse technology at Covanta Delaware Valley’s energy-from-waste facility in Chester, Pennsylvania, has saved almost 1.3 million gallons of local water each day.

Covanta installed the RePAK combination ultrafiltration (UF) and reverse osmosis (RO) system at the power plant as a tertiary package, in order to upgrade the facility.

The new system enabled the plant to reuse treated discharge water from a nearby municipal wastewater treatment plant for its cooling tower.

Two RePAK-450 trains were installed at the centre by GE. Each of the units had a production capacity of 450 gallons per minute.

Delivery and commissioning of the technology equipment was completed by GE in 2014.

Covanta Delaware Valley facility manager Tim Gregan said: "By installing GE’s water treatment technology, we are able to reuse the nearby wastewater treatment plant’s wastewater effluent that otherwise would have been directly discharged, enabling us to save more than a million gallons per day in drinking water for local residents rather than using it for industrial purposes.

"Not only are we reducing the stress on local drinking supplies, but also the environmental impacts of the wastewater treatment plant and the use of potable water by our facility."

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Image: GE’s RePAK pump skid. Photo: courtesy of General Electric.