METHOD FOR REMOVAL OF CHLORINE GAS

摘要

PROBLEM TO BE SOLVED: To provide a method for removing an exhaust gas containing chlorine gas without producing chlorate using an alkaline solution.

SOLUTION: Disclosed is a method for removing chlorine gas contained in exhaust gas. The method comprises a step of reacting the chlorine gas with sodium hydroxide in an amount of 1.0 to 1.2 times the theoretical amount required for neutralizing the chlorine gas and sulfite salt and/or bisulfite salt in an amount of 1.0 to 1.2 times the theoretical amount required for reducing the chlorine gas to remove the chlorine gas.

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