COOLING EPA ION EXCHANGE MICROFILTRATION POWER PRODUCED WATER REVERSE OSMOSIS SCALING ULTRAFILTRATION WASTEWATER

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Abstract

The shale gas revolution, coupled with increasingly stringent U.S. Environmental Protection Agency (EPA) regulations mainly directed towards coal-fired steam generating plants, is leading to rapid development of simple- and combined-cycle power plants for not only dedicated power generation but also at other heavy industries. Water requirements for these units may range from basic to complex, particularly if limitations are placed upon wastewater discharge, and if the combustion turbines require evaporative coolers for inlet air chilling, and/or water injection for nitrogen oxide (NOx) control or power augmentation. This makes accurate, up-front evaluation of plant water requirements and optimum treatment methods critically important. Treatment technologies include ion exchange, microfiltration, reverse osmosis, and ultrafiltration.

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