Stabilizing catalyst activity during catalyst regeneration
US7619128B2 · kind B2 · utility
0Cited by
9References
49Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2005 |
| Grant date | Nov 17, 2009 |
| Priority date | — |
| Expiry date | Oct 3, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S502/514
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during the conversion process. In particular, the invention provides for methods of regenerating coked catalyst to minimize catalyst deactivation due to contact with moisture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.