flue gas desulfurization

…of an absorption process called flue gas desulfurization (FGD). FGD systems may involve wet scrubbing or dry scrubbing. In wet FGD systems, flue gases are brought in contact with an absorbent, which can be either a liquid or a slurry of solid material. The sulfur dioxide dissolves in or reacts…

…requires industrial units to employ flue gas desulfurization (FGD) systems, which use chemical reactions with lime or limestone to convert industrial byproducts into less harmful substances. But this mandate, applying to nearly 540 power plant units and having a deadline of 2026, has not been effectively implemented; indeed, only 8…