Procedure for regenerating platinum containing zeolite catalyst compositions
US4689312A · kind A · utility
8Cited by
9References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1986 |
| Grant date | Aug 25, 1987 |
| Priority date | — |
| Expiry date | Mar 25, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G47/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An improved regeneration procedure is described for restoring the hydrogen chemisorption of aged platinum containing zeolite catalyst compositions. The process includes subjecting th catalyst to reactivation, followed by oxygen regeneration. After regeneration, in accordance with the invention, a platinum containing zeolite catalyst composition has a platinum dispersion, illustrated by H.sub.2 chemisorption, equivalent to fresh catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.