Recovery of acetic acid from a fermentation broth
US4405717A · kind A · utility
43Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Oct 26, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S435/842
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is provided for the recovery of acetic acid from dilute aqueous solutions. The acid in the form of its calcium salt is treated with a tertiary amine carbonate and the resulting trialkylammonium acetate is isolated and heated to give the acetic acid plus a tertiary amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.