| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a catalyst for removing NOx, with which nitrogen oxides are satisfactorily deoxidized in an oxygen-excess atmosphere even at a high temperature range (for example, at 350°C or higher). <P>SOLUTION: The catalyst for removing NOx is provided with: a base material comprising a first metal having the ability to dissociate hydrogen; a hydrogen-permeable film which is formed on the base material, has the average pore diameter of 0.3-1.0 nm, and consists of an oxide of a second metal; and a NOx adsorbing film which is formed on the hydrogen-permeable film and comprises an oxide of at least one third metal selected from the group consisting of alkali metals and alkaline earth metals. <P>COPYRIGHT: (C)2010,JPO&INPIT |
