Process for removing heavy metals from aqueous solutions
US5348662A · kind A · utility
27Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1993 |
| Grant date | Sep 20, 1994 |
| Priority date | — |
| Expiry date | May 13, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/912
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
In the process of removing heavy metals from aqueous solutions (groundwater) by precipitation of a salt thereof, an oxidizing agent is optionally used to increase the valence of said metal, and a precipitation-enhancing agent is added to maximize particle size of the precipitate and to facilitate its separation from said solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.