Gas Cleaning and Sulphuric Acid

Gas Cleaning and Sulphuric Acid

The sulphur dioxide gas produced in the roaster is cleaned in the Gas Cleaning Plant and clean gas goes to the Sulphuric Acid Plant.

Sulphuric Acid

The clean and dry gas enters a converter containing a catalyst. The sulphur dioxide gas is converted to sulphur trioxide (SO3) by the catalyst. The sulphur trioxide is then combined with water in the absorption tower to make sulphuric acid for sale

H2O + SO3 =  H2SO4

Sulphuric acid is transported from site by either road or rail transport (GATX) to customers.

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