| 摘要 |
<p>STRUCTURE A process for preparing a catalyst comprising the steps of: (1) spinning a catalyst support comprising a monolithic structure coated with an active metal oxide, having an inner core extending longitudinally therethrough and having radially extending channels, (2) spraying a stream of a solution of a catalytic metal against the inner core while the support is being spun about its longitudinal axis, (3) continuing step (2) until substantially the entire surface of the channels, has been uniformly impregnated with the catalytically active metal, and (4) calcining the impregnated support to a temperature in the range of 400.degree. to 1800.degree.F. The resulting product is particularly useful as an automobile emission control catalyst.</p> |
