Pretreating a catalyst containing molecular sieve and active metal oxide
US7199277B2 · kind B2 · utility
6Cited by
135References
67Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2004 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Dec 17, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to processes for converting oxygenates to olefins that include a step of pretreating catalyst, which comprises molecular sieve and one or more active metal oxides of one or more metals, with a hydrocarbon composition to provide an integrated hydrocarbon co-catalyst within the molecular sieve. The combination of molecular sieve and hydrocarbon co-catalyst converts oxygenate to an olefin product with high selectivity to light olefins (i.e., ethylene or propylene, or mixture thereof).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.