Overburden/tailings mixtures for engineered tailings deposit control
US8985901B2 · kind B2 · utility
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6References
18Claims
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Key dates
| Filing date | Oct 26, 2012 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Jan 23, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09B1/00
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A process of dewatering tailings is provided comprising providing overburden having a moisture content ranging from about 15 wt % to about 25 wt % and comminuting the overburden to a first size; providing tailings having a solids content ranging from about 10 wt % to about 60 wt %; adding the tailings to the first sized overburden to form treated overburden and comminuting the treated overburden to a second size; and depositing the second sized treated overburden to produce a solidified deposit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.