Process for acetal removal in the purification of a crude ethanol product
US8907139B2 · kind B2 · utility
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75References
15Claims
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Key dates
| Filing date | Dec 19, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Dec 19, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/149
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of the crude ethanol products are employed to allow recovery of ethanol and hydrolyze acetal impurities by the addition of an acid stream.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.