Electrodialysis process for silica removal
US4298442A · kind A · utility
75Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 4, 1980 |
| Grant date | Nov 3, 1981 |
| Priority date | — |
| Expiry date | Aug 4, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2325/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for the removal of silica from an aqueous solution is disclosed in which the pH of the solution is adjusted to at least about 9.5 and then passed through a conventional electrodialysis cell to effect ionic transfer of the silica out of solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.