| 摘要 |
<P>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. <P>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. <P>COPYRIGHT: (C)2007,JPO&INPIT |
