Combined column for separating products of different hydrogenation reactors
US8853469B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Nov 20, 2012 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Nov 20, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/58
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Recovery of ethanol from a crude product comprising ethyl acetate obtained from the hydrogenation of acetic acid. The crude product is separated to form an organic stream that may be subjected to hydrogenolysis to form ethanol. The organic phase may comprise ethyl acetate is reacted via hydrogenolysis form ethanol that may be directly or indirectly fed to the separation zone or the hydrogenation reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.