Process for recovering alcohol produced by hydrogenating an acetic acid feed stream comprising water
US8680342B2 · kind B2 · utility
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187References
20Claims
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Key dates
| Filing date | Apr 26, 2011 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Nov 14, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Purifying and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid from an feed stream comprising water. The presence of water does not significantly impact acid conversion or selectivity to ethanol. Further the addition of water allows for improved recovery of ethanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.