Methods for treating a liquid using draw solutions
US9399194B2 · kind B2 · utility
3Cited by
8References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 2014 |
| Grant date | Jul 26, 2016 |
| Priority date | — |
| Expiry date | Oct 6, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2311/2661
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Draw solutions comprising at least one N-cyclicalkyl-cycloalkylamine and a secondary solvent. The N-cyclicalkyl-cycloalkylamine comprises the chemical structure:wherein n is 0, 1, or 2, n′ is 0, 1, or 2, and each of R1-R6 is independently selected from the group consisting of an alkyl group, an alkoxy group, an acetyl group, an aryl group, a hydrogen group, a hydroxyl group, and a phosphorus-containing group. Methods of treating a liquid using the draw solution are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.