Recovery of butanol from a mixture of butanol, water, and an organic extractant
US8563788B2 · kind B2 · utility
15Cited by
0References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2012 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Sep 12, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/141
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for recovering butanol from a mixture comprising a water-immiscible organic extractant, water, butanol, and optionally a non-condensable gas, is provided. The butanol is selected from 1-butanol, 2-butanol, isobutanol, and mixtures thereof. The extractant comprises at least one solvent selected from the group consisting of C7 to C22 fatty alcohols, C7 to C22 fatty acids, esters of C7 to C22 fatty acids, C7 to C22 fatty aldehydes, and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.