Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1992-10-13
1994-07-12
Bollinger, David H.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
B03B 560
Patent
active
053280350
ABSTRACT:
A process is provided for separating minerals from a mixture of minerals having different densities. The minerals are provided in the comminuted state to liberate the minerals one from the other, following which the minerals are slurried in an aqueous solution of lithium metatungstate selected to provide a density between the densities of the minerals to be separated, whereby the minerals having a density greater than that of the solution will sink and the minerals having a density less than that of the solution will float.
REFERENCES:
patent: 2330479 (1943-09-01), Erickson
patent: 3791595 (1974-02-01), Aubrey, Jr.
patent: 4111798 (1978-09-01), Peterson et al.
patent: 4557718 (1985-12-01), Kamps et al.
patent: 4775106 (1988-10-01), Jha et al.
Duyvesteyn Willem P. C.
Labao Nicholas L.
Liu Houyuan
Shrestha Purusotam L.
BHP Minerals International Inc.
Bollinger David H.
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