Method for water treatment
US5916447A · kind A · utility
3Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Oct 15, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/5245
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method for treatment of water in which an aqueous solution containing a freshly made polymerised iron substance is produced, the produced polymerised iron substance is aged sufficiently long to provide for efficient treatment of water, and the aqueous solution containing aged polymerised iron substance is added to the water to be treated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.