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ACID GAS
DESULFURIZATION
The Sulfox®HK is a gas desulfurization process that converts the sulfur in the raw gas to concentrated sulfuric acid. The SulfoxHK process is suitable for high sulfur concentrations in excess of 20 g/Nm³ in the raw gas. The process includes a multiple pass catalytic oxidation reactor with intermediate cooling at each pass. The catalytic reactor is followed by a cooling system where sulfur trioxide is converted into sulfuric acid. The concentrated acid is then collected in a wet electrostatic precipitator. Sulfuric acid produced will have a concentration up to 98%. Due to high sulfur concentration in the raw gas, the process is exothermic and converts the excess heat in high pressure steam and electricity.
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