In a recent article for Power Engineering [1], I wrote about the special properties of limestone, and especially high-purity stone, that have made it a common flue gas desulfurization reagent for ...

Since ratification of the Clean Air Act (CAA) in 1970, U.S. utilities have made steady efforts to install pollution control equipment to curb power plant stack emissions. The CAA Amendments of 1990 ...

A still relatively underdeveloped technical approach for ELG compliance is combining Wet FGD wastewater and solid waste with fly ash. Fixating and stabilizing FGD solids and liquid streams with fly ...

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 ...