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GE P&W FuelSolv - Water Treatment Solutions for the Power Industry User Manual

Page 5

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Case Study

GE Technology and Expertise Helps Cogentrix Energy Save More Than

Three Million Gallons of Water Annually

Cogentrix’s 120 MW power plant in Battleboro, N.C., partnered with GE to conserve an estimated
three million gallons of water annually, or the equivalent of approximately 22 percent of its
water usage – greatly reducing its dependence on municipal freshwater sources. GE’s patented
technology, including GenGard chemistry, enables the plant to use recycled cooling tower water for
lime slakers and pug mills, eliminate blowdown discharged into the Tar River, decrease operational
costs and increase the efficiency of the cooling tower system by chemically reducing scaling and
fouling. These impactful and positive results are a significant relief to Battleboro, as the region
recovers from a two-year drought that affected large areas of North Carolina. It was the state’s
worst drought since record keeping began and prompted municipalities throughout the region to
implement water-saving measures.