Flue-gas desulfurization (FGD) is a set of technologies used to remove sulfur dioxide (SO2) from exhaust flue gases of fossil-fuel power plants, and from the emissions of other sulfur oxide emitting processes.
Read more about Flue-gas Desulfurization: Methods, History, Sulfuric Acid Mist Formation, Facts and Statistics, Alternative Methods of Reducing Sulfur Dioxide Emissions