Alcohol production process with impurity removal
US8704010B2 · kind B2 · utility
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92References
27Claims
0Family size
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Key dates
| Filing date | Apr 26, 2011 |
| Grant date | Apr 22, 2014 |
| Priority date | — |
| Expiry date | Feb 11, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/47
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method of removing impurities, such as halogens, sulfurs, and corrosion metal impurities, in an ethanol production process. Ion exchange resins may be used to remove these impurities from acetic acid feed streams and recycle streams that comprise unreacted acetic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.