Method for preparing acidic solutions of activated silica for water treatment
US7959800B2 · kind B2 · utility
0Cited by
12References
9Claims
0Family size
Inventor
Key dates
| Filing date | Jan 20, 2010 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Jan 20, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/66
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process is disclosed for the production of acidic solutions of activated silica for water treatment. Activated silica is formed during the process of acidifying a sodium silicate solution to below pH 2 with sulfuric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.