Water uses in a limestone-gypsum FGD scrubber are easily identified (Figure 1). The gypsum has to be removed continuously from the scrubber, and it is replaced by fresh limestone. In addition, a ...

POWER’s 2020 Water Award goes to Saltworks Technologies for successfully piloting a novel application of a 50-year-old technology at a coal plant. The company’s solution promises to slash costs of ...

Limestone slurry needs to move efficiently through a complex process, meaning that selecting the right pumps and valves is critical. As new coal-fired power plants come on line to meet rising demand ...

By: Wayne P. Buckley and Dr. Boris Altshuler, Croll-Reynolds Clean Air Technologies, Inc. Emissions of fine particulates, aerosols and acid gases are drawing significant attention from regulators, ...

Are FGDs (Flue Gas Desulfurization) meant to control sulfur dioxide emissions from coal-fired thermal power plants still relevant is the debate that is taking place between the Ministries of ...