WATER CAPPING OF TAILINGS
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Aug 26, 2015
filing date -
Aug 26, 2015
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Abstract
A method of reclamation using tailings produced during oil sands extraction processes involves depositing tailings below grade into a pit, the tailings comprising a solids content of at least about 30 wt % with greater than about 60% of the solids being fines; placing a layer of water of sufficient depth and volume over the deposit of tailings; and allowing densification of the tailings to occur without mechanical or chemical intervention, wherein the layer of water capping the tailings deposit forms a lake habitable for plants and animals.
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