Method and system for distilling alcohol in an alcohol production process
US10392590B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2019 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Jan 7, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C31/08
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and system for distilling alcohol in an alcohol production process is disclosed. The method can include fermenting a mixture of water and milled grain to produce alcohol-laden beer, which can be distilled in a beer column maintained at a subatmospheric pressure to produce a vapor, primarily including alcohol, and whole stillage. Stillage is separated from the whole stillage. Water is evaporated from the separated stillage to produce first-concentrated stillage and first effect steam. Water from the first-concentrated stillage is evaporated with heat from the first effect steam to produce second effect steam. In one embodiment, second effect steam can be used to supply sufficient heat to a side stripper for distilling the alcohol-laden beer. In another embodiment, the method can include generating steam from one or more steam generator to supply sufficient heat to the beer column for distilling the alcohol-laden beer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.