C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/15
C02F 11/08 (2006.01)
Patent
CA 1160368
TREATMENT OF CLAY SLIMES ABSTRACT A process for dewatering slimes produced in mining and mineral processing operations whereby wet oxidation at 150-320°C renders the solids rapidly settleable. Sufficient oxygen is supplied to meet or exceed oxygen demand. Inorganic solids in the oxidized product are separated and optionally further dewatered to a friable solid. Clarified water is recycled to the mining, mineral processing or other operations, or treated further, or discharged to the environment. Steam resulting from the wet oxidation is utilized in the mining or mineral processing operations.
376956
Gitchel Wayne B.
Kerr Richard K.
Osler Hoskin & Harcourt Llp
Zimpro-Aec Ltd.
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