Sulfur dioxide
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SO2
The most common type of sulfur oxide
What emits SO2 naturally?
Active volcanoes Marshes Hot springs Forest fires
S + O2 → SO2
sulfur combines with oxygen to make sulfur dioxide
SO2 what can it do
Easily dissolves in water to create an acidic solution
How can we reduce the amount of SO2 in the atmosphere?
Using only low sulfur coal "Washing" the coal - by mixing crushed coal with water, impurities with different densities are able to be separated and removed Using scrubbers in the smokestacks - in the scrubber, there is a water spray that produces a cloud of fine water droplets which mix with crushed limestone and react with the sulfur and "pull" it out of the exhaust
