Membrane process for argon purging from ethylene oxide reactors
US5817841A · kind A · utility
5Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1997 |
| Grant date | Oct 6, 1998 |
| Priority date | — |
| Expiry date | Jul 10, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/00103
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process and apparatus for ethylene oxide production. A membrane unit containing a membrane selectively permeable to ethylene over argon is used to recover ethylene from the argon purge stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.