Method for producing an aqueous industrial sodium chloride solution
US5478447A · kind A · utility
7Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1994 |
| Grant date | Dec 26, 1995 |
| Priority date | — |
| Expiry date | Apr 22, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01D3/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for the manufacture of an industrial aqueous solution of sodium chloride, according to which an aqueous mixture (12) containing an aqueous solution of sodium chloride and of polyvalent metals is prepared by introducing into water (10) a solid product (8) collected from the dry-route treatment, with sodium bicarbonate (4), of smokes (2) containing hydrogen chloride, and the said aqueous medium (12) is treated in order to remove the polyvalent metals therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.