Iron copper compositions for fluid purification
US11124429B2 · kind B2 · utility
4Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2011 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Nov 30, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2303/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention concerns a filtering medium, a method for the production thereof, the use of said filtering medium and a method for reducing the content of multiple contaminants simultaneously in fluids by means of said filtering medium through a physical barrier, a chemical process or biological process, wherein said filtering medium consists of or comprises at least one of the following: a mixture (A) containing a major part of an iron-based powder and a minor part of a copper based powder, an iron-copper powder alloy (B), and an iron-based porous and permeable composite containing copper (C).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.