Distillation method
US7744727B2 · kind B2 · utility
113Cited by
9References
20Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 24, 2004 |
| Grant date | Jun 29, 2010 |
| Priority date | — |
| Expiry date | Oct 8, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S203/17
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for distilling ethanol from a mash includes feeding a fluid to a first distillation column. The fluid and a distillate of the first distillation column are delivered to a second distillation column. The fed fluid and/or distillate of the second distillation column is/are purified in a first and/or last step of the method by a membrane separation process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.