Elimination of metal ions from aqueous effluents
US7393454B2 · kind B2 · utility
8Cited by
10References
20Claims
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Key dates
| Filing date | Mar 12, 2002 |
| Grant date | Jul 1, 2008 |
| Priority date | — |
| Expiry date | Mar 12, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/912
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
Method for the elimination of metal ions from aqueous media, such as zinc, lead, chrome, copper, iron, aluminium, manganese, cadmium, cerium or silver and mixtures of the metals present in a trace or ultratrace state in aqueous effluents, by adsorption on a solid charge containing a metal chosen from group VIII.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.