Recovery of heavy minerals from a tar sand

Details Recovery of heavy minerals from a tar sand Recovery of heavy minerals from a tar sand

C - Chemistry, Metallurgy

10

C

C10C 1/00 (2006.01) B03B 9/02 (2006.01) B03D 1/08 (2006.01) C10C 1/19 (2006.01)

Patent

CA 2426113

A process for recovering heavy minerals (e.g., titanium minerals such as TiO2) from a feedstock comprising tar sands or a tar sands-derived solids fraction. The feedstock comprises bitumen and heavy minerals. The process comprises the steps of: (i) contacting the solids fraction with water at a temperature of at least about 100°F to cause production a bituminous phase and a heavy minerals phase; and (ii) separating the heavy minerals phase from the bituminous phase. Optionally, these steps may be preceded by one or more steps used to produce a tar-sands derived solids fraction from a tar sands feedstock.

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