Method for concentrating heavy minerals in the solids tailings f

Details Method for concentrating heavy minerals in the solids tailings f Method for concentrating heavy minerals in the solids tailings f

1978-05-15

1979-04-17

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423 1, 423 69, 423 80, 423DIG16, 208 11R, 208 11LE, C01G 2300, C01G 2500

Patent

active

041500938

ABSTRACT:
An oily mass of solids tailings is derived from flotation of bitumen during hot water extraction of bituminous sands, and subsequent separation of most of the bitumen from associated solids. This oily mass contains a high concentration of heavy minerals, in the order of 10% by weight titanium and 4% zirconium. The tailings are introduced into a hot reaction zone and contacted with oxygen while agitating the solids. The bitumen associated with the solids is burned, as is residual coke left from the combustion of the bitumen. The product particles are discrete, dry and clean. They can be slurried with water and passed through gravity concentrating means, such as a spiral, to produce a concentrate containing in the order of 18% titanium and 8% zirconium.

REFERENCES:
patent: 1893913 (1933-01-01), Saint-Jacques
patent: 3656938 (1972-04-01), Fenzes
patent: 3990885 (1976-11-01), Baillie et al.
patent: 4032300 (1977-06-01), Parker et al.

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