Description
Also known as sulfur dioxide, SO₂ is an inorganic reagent that occurs as a gas that is highly irritating, asphyxiating, and corrosive in humid environments. Its chemical and physical properties allow it to be used in various applications and industries, such as the pulp and paper industry, where it is used to reduce chlorine residues in the pulp production process. In addition, it is useful for wastewater treatment, clay production, and electricity generation, and is also used in the petroleum, mining, textile, and chemical industries, among others.