Apparatus and process for the removal of acidic and basic gases from fluid mixtures using bipolar membranes
US4969983A · kind A · utility
71Cited by
4References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1989 |
| Grant date | Nov 13, 1990 |
| Priority date | — |
| Expiry date | Aug 8, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2201/46115
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus containing a multiplicity of three chamber units comprising a combination of ion exchange membranes and bipolar membranes with certain of said chambers containing a fluid permeable filler of ion-exchange material. The apparatus can be used in a process to remove weakly ionized gases from fluid mixtures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.