Stripping of aqueous ammonium carbonate solution
US4342735A · kind A · utility
4Cited by
5References
10Claims
0Family size
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Key dates
| Filing date | Apr 23, 1981 |
| Grant date | Aug 3, 1982 |
| Priority date | — |
| Expiry date | Apr 23, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01C1/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
In stripping ammonia and carbon dioxide from an aqueous ammonium carbonate solution including organic ammonium salts, inorganic base is introduced into the column at a point below the point of the feed introduction and above the column bottom to liberate ammonia from the ammonium salts and thereby produce a bottoms of reduced ammonium content.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.