 Flue
gas desulfurization (FGD) is the current state-of-the
art technology used for removing sulfur dioxide (SO2)
from the exhaust flue gases in power plants that burn coal
or oil to produce steam for the steam turbines that drive
their electricity generators.
Sulfur dioxide is responsible
for acid rain formation. Tall flue gas stacks disperse the
emissions by diluting the pollutants in ambient air and
transporting them to other regions.
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