Ethanol refining process using intermediate reboiler
US9000237B2 · kind B2 · utility
2Cited by
76References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2012 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Jan 11, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to processes for producing and recovering ethanol using an intermediate reboiler. An intermediate stream may be withdrawn from a removal zone of a distillation column and recirculated through the intermediate reboiler to the distillation column. The distillation column may also comprise a bottoms reboiler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.