Process for recovering ethanol with sidedraws to regulate C3+ alcohols concentrations
US8604255B2 · kind B2 · utility
1Cited by
92References
23Claims
0Family size
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Key dates
| Filing date | Apr 1, 2011 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Jan 12, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Purification and/or recovery of ethanol from a crude ethanol product obtained from the hydrogenation of acetic acid. Separation and purification processes of a crude ethanol mixture are employed to allow recovery of ethanol and remove impurities. In particular, the process involves one or more sidedraws to regulate C3+ alcohols concentration in the recovered ethanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.