Membrane-augmented distillation with compression and condensation to separate solvents from water
US9138678B2 · kind B2 · utility
13Cited by
19References
44Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 9, 2012 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Nov 27, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2311/2669
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed herein are processes for removing water from organic solvents, such as ethanol. The processes include distillation in two columns operated at sequentially higher pressure, followed by treatment of the overhead vapor by one or two membrane separation steps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.