CATALYST FOR NITROUS OXIDE DECOMPOSITION AND METHOD FOR PURIFYING NITROUS OXIDE-CONTAINING GAS

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PROBLEM TO BE SOLVED : To provide an innovative nitrous oxide decomposition catalyst capable of efficiently decomposing and removing nitrous oxide and a method for purifying a nitrous oxide-containing gas using the catalyst. SOLUTION : The nitrous oxide decomposition catalyst contains (A) at least one element or compound selected from alkali metals, alkaline earth metals, and rare earth metals and their compounds; (B) at least one element or compound selected from nickel, cobalt, copper, iron, manganese, silver, ruthenium, rhodium, platinum, gold, palladium, and iridium and their compounds and has a fine pore volume in a range from 0.1 to 0.6 ml/g. COPYRIGHT : (C)2007, JPO&INPIT