Process for separating aqueous mineral acid mixtures
US4199445A · kind A · utility
17Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 1976 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Jan 5, 1996 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for the separation of water from mixtures of water and mineral acids by contacting the mixtures against an organic polymeric membrane, and withdrawing at the other side of the membrane a mixture having a higher concentration of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.