Acid gases, such as sulfur oxides SOx, hydrogen chloride HCl, and hydrogen fluoride HF are removed from dirty airstreams by absorption into an alkali liquid. This liquid can be a sodium or calcium (lime)-based solution.
Acid gases, such as sulfur oxides SOx, hydrogen chloride HCl, and hydrogen fluoride HF are removed from dirty airstreams by absorption into an alkali liquid. This liquid can be a sodium or calcium (lime)-based solution.