Sulphur Dioxide

About Sulphur Dioxide:

• It is an inorganic compound, a heavy, colorless, gas.
• It is produced in huge quantities in intermediate steps of sulfuric acid manufacture.
• Properties of Sulphur Dioxide:
  • It is a colorless gas with a pungent odor.
  • It is a liquid when under pressure, and it dissolves in water very easily.
• Applications: It is used to manufacture chemicals, in paper pulping, in metal and food processing.
• Impacts of Sulphur Dioxide: It is harmful for human health, environment and climate.
• Sources of Sulphur Dioxide:
• Burning of Coal: Sulfur dioxide in the air comes mainly from activities such as the burning of coal and oil at power plants or from copper smelting.
• Industries: It is usually prepared industrially by the burning in air or oxygen of sulfur or such compounds of sulfur as iron pyrite or copper pyrite.
• Natural Occurrence: In nature, sulfur dioxide can be released to the air from volcanic eruptions.
• From Fossil Fuel burning: The largest source of SO2 in the atmosphere is the burning of fossil fuels by power plants and other industrial facilities.