Reactivation of steam-deactivated catalysts
US4461845A · kind A · utility
27Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1983 |
| Grant date | Jul 24, 1984 |
| Priority date | — |
| Expiry date | Jan 17, 2003 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J29/90
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process is provided for reactivating a catalyst composition comprising a crystalline zeolite material having a silicon/aluminum atomic ratio of at least about 2, said catalyst composition having been deactivated by contact with steam. The method involves contacting said steam-deactivated catalyst composition with an aluminum compound at elevated temperature, and contacting said aluminum compound contacted catalyst composition with an aqueous acid solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.