| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pretreatment method which enables the removal of chlorine from a noble metal carrying catalyst simply and efficiently. <P>SOLUTION: The pretreatment method of the catalyst comprises the step of removing chlorine from the noble metal carrying catalyst, prepared by using and carrying a noble metal chloride salt solution on a catalyst carrier, by a circulation of steam. <P>COPYRIGHT: (C)2008,JPO&INPIT |
