Process for conditioning a high efficiency ethylene oxide catalyst
US8815769B2 · kind B2 · utility
0Cited by
5References
15Claims
0Family size
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Key dates
| Filing date | Apr 3, 2012 |
| Grant date | Aug 26, 2014 |
| Priority date | — |
| Expiry date | Apr 3, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/584
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for conditioning a high efficiency silver catalyst used to manufacture ethylene oxide from ethylene, oxygen, and at least one organic chloride is described. A non-reactive conditioning gas comprising at least one of ethylene, oxygen, and a ballast gas is introduced to the catalyst at a conditioning temperature ranging from 150° C. to 180° C. for a selected period of at least 4 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.