| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst for the oxidation of hydrocarbons in exhaust combustion gas which is made by carrying a platinum group metal on a composite oxide of chromium and tin, and a method for oxidizing and removing the hydrocarbons in the exhaust combustion gas containing excess oxygen using the catalyst. <P>SOLUTION: The catalyst shows high oxidation activity and activity stability by a small amount of a carried noble metal, which enables the oxidative removal of the hydrocarbons in the exhaust gas under economically advantageous conditions. <P>COPYRIGHT: (C)2004,JPO |
