Cleaning and regenerating ethylene oxide catalysts
US4391735A · kind A · utility
6Cited by
7References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 1981 |
| Grant date | Jul 5, 1983 |
| Priority date | — |
| Expiry date | Jul 17, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composition and method for removing alkali metal-containing impurities from supported silver catalysts wherein the composition is comprised of an inert organic liquid and a solubilizing agent. The method is used prior to regeneration of the catalyst with cesium, rubidium, or mixtures thereof to improve the selectivity of the regenerated catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.