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US 8,985,901 B2Granted
Overburden/tailings mixtures for engineered tailings deposit control
AssigneeSyncrude Canada Ltd.
InventorsRandy Mikula, Nan Wang
Life of this patent
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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.
Claims18
A process of dewatering tailings comprising:
- a) providing overburden having a moisture content ranging from about 15 wt % to about 25 wt % and comminuting the overburden to a first size;
- b) providing tailings having a solids content ranging from about 10 wt % to about 60 wt %;
- c) adding the tailings to the first sized overburden to form treated overburden and comminuting the treated overburden to a second size;
- and
- d) depositing the second sized treated overburden to produce a solidified deposit.
2 more elements
Dependencies are inferred from the claim text.