Method for decomposing chlorine gas and method for removing the same

Abstract

[Problem] To provide a chlorine gas removal means capable of removing chlorine gas contained in exhaust gas and the like with high efficiency. [Solution to Problem] A method for decomposing chlorine gas, including a step of bringing a gas containing chlorine gas into contact with a chlorine gas decomposition catalyst in the presence of water, in which the chlorine gas decomposition catalyst includes a ruthenium material (X), and the ruthenium material (X) includes at least one selected from the group consisting of ruthenium and a ruthenium compound.

Dependencies are inferred from the claim text.