Methods of treating tailings
AssigneeKemira Oyj
InventorsMiguel Pelaez, Thomas Fenderson
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Abstract
The present embodiments generally relate to methods for the treatment of tailings, e.g., oil sands tailings, including methods comprising the use of one or more flocculants, one or more coagulants and one or more oxidants to treat said tailings and/or to improve the performance of said one or more flocculants.
Claims12
A method of treating tailings comprising adding to a tailings stream one or more flocculants, one or more oxidants, and one or more coagulants.
3-10. (canceled)
12-53. (canceled)
55-59. (canceled)
A method of treating tailings which method results in a trafficable deposit, wherein said method comprises treating said tailings with an amount of one or more flocculants, one or more oxidants, and one or more coagulants that results in said trafficable deposit.
A composition suitable for use in treating tailings, comprising the combination of one or more coagulants, and one or more oxidants, wherein said combination elicits an additive or synergistic effect on the removal of toxic contaminants and/or promotes the breakdown of polymers and polymer/flocs added and produced during flocculation.
64-71. (canceled)
Dependencies are inferred from the claim text.