Process to recover alcohol with secondary reactors for hydrolysis of acetal
US9000233B2 · kind B2 · utility
1Cited by
194References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2012 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Oct 26, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for recovering ethanol obtained from the hydrogenation of acetic acid. The crude ethanol product is separated in a column to produce a distillate stream comprising acetaldehyde and ethyl acetate and a residue stream comprising ethanol, acetic acid and water. Acetal byproduct can be reduced or removed through configurations of hydrolysis secondary reactors. The ethanol product is recovered from the residue stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.