Method of treating mine drainage
US7115201B2 · kind B2 · utility
7Cited by
21References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2005 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Mar 7, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S210/919
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method of treating mine drainage water including the step of adding a scale control agent to the mine drainage water and, optionally, adding an oxidizing agent to the mine drainage water and/or precipitating and settling the metals in their hydroxide form from the water. The treated water may be safely returned to the environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.