Alkylene oxide recovery systems
US8183400B2 · kind B2 · utility
4Cited by
33References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2009 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Oct 5, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D301/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Embodiments of the present disclosure include processes and systems for recovering alkylene oxide. System embodiments include a stripping section located in an alkylene oxide recovery column to convert a feed stream comprising to a first gas phase portion comprising alkylene oxide, a condensing zone comprising at least a first condenser and a second condenser configured in series, and a reabsorption region located in the alkylene oxide recovery column above the last of the at least two condensers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.