A method for the catalytic decomposition of global warming gas

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PROBLEM TO BE SOLVED : To provide a catalyst which efficiently decomposes global warming gas and which has a long life, and to provided a decomposition method using the catalyst. SOLUTION : In the decomposition method for global warming gas, the global warming gas in a gas phase is decomposed in the presence of water vapor or/and molecular oxygen by using a catalyst which contains sulfates consisting of oxides of sulfur and at least one kind of element selected from aluminum, boron, alkaline earth metals, titanium, zirconium lanthanum, cerium, yttrium, rare earth metals, vanadium, niobium, chromium, manganese, iron, cobalt and nickel.