Beneficiation of heavy minerals from bituminous sands residues b

Details Beneficiation of heavy minerals from bituminous sands residues b Beneficiation of heavy minerals from bituminous sands residues b

1979-09-17

1980-09-30

Hill, Ralph J.

Classifying, separating, and assorting solids

Special applications

209 12, 209 38, 209233, 423 69, 423 73, 423 80, 208 11LE, B07B 1500

Patent

active

042254221

ABSTRACT:
The titanium and zirconium-based minerals, present in the first stage centrifuge tailings from the hot water process for extraction of bitumen from bituminous sands, may be concentrated by a dry screening process. The tailings are burned off to provide a dry, essentially carbon-free, mineral mixture. By screening the mixture into three streams of different particle size range, silica and clays may be rejected as coarse and fine materials respectively, while titanium and zirconium minerals may be concentrated in the intermediate stream. The titanium and zirconium concentrate stream may be advanced to high tension and magnetic separation steps known in conventional processing of heavy minerals, for further beneficiation.

REFERENCES:
patent: 3068167 (1962-12-01), White
patent: 3328233 (1967-06-01), Martinez
patent: 3935094 (1976-01-01), Bergeron et al.
patent: 3936372 (1976-02-01), Frangiskos
patent: 4131539 (1978-12-01), Ojiri et al.
patent: 4138467 (1979-02-01), Kaminsky et al.

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