Chemical process for removing selenium from water
US5089141A · kind A · utility
15Cited by
7References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | Nov 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/912
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A chemical process for selectively removing organoselenium compounds and selenate from water supplies. The process utilizes a combination of transition metal selected from the group consisting of nickel and copper and an electropositive metal selected from the group consisting of magnesium and aluminum to effectively remove selenium whether present in the water as organic or inorganic compounds or in ionic or non-ionic form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.