In the last five years, the number of electric utility boilers in the U.S. equipped with flue gas desulfurization (FGD) systems has increased greatly, due to retrofits in response to regulatory ...

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 ...

The composition of flue gas desulfurization varies widely, based on scrubber type and coal and limestone used. Coal contributes acidic gases, such as chlorides, fluorides and sulfate. Coal also ...

The financial burden of mandatory FGD retrofitting was previously estimated at over Rs 2.5 lakh crore, or Rs 1.2 crore per MW, with installation timelines of up to 45 days per unit. Several power ...

Patna: Amid growing concerns over air pollution caused by thermal power plants in Bihar, the state's environment, forest and climate change department is intensifying efforts to install flue gas ...