Process to recover alcohol with reduced water from overhead of acid column
US9156754B2 · kind B2 · utility
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151References
20Claims
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Key dates
| Filing date | Dec 16, 2014 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Dec 16, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10L2290/548
- 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, ethyl acetate and water. The ethanol product is recovered from the residue stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.