| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst suitable for burning hydrogen in exhaust gas in a hydrogen production plant, a hydrogen atmosphere furnace or the like. <P>SOLUTION: There is provided the hydrogen combustion catalyst in which a wash coat layer comprises zirconia and tungsten oxide, and the zirconia is essentially composed of monoclinic zirconia, and further, which includes at least one of cubic zirconia and tetragonal zirconia. The catalyst has sufficient catalytic activity even at low temperature and can keep the activity even when it is used for a long period of time. <P>COPYRIGHT: (C)2013,JPO&INPIT |
