Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1992-03-09
1993-01-12
Eley, Timothy V.
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 24, B02C 2318, B02C 2308
Patent
active
051783347
ABSTRACT:
A process to increase the content of germanium which is found in an iron hydroxide phase of an ore of the supergene type for later recovery by solvent extraction. The process comprises the steps of first crushing the ore, converting the ore to pulp, and then subjecting the pulp to a magnetic separation to give a magnetic fraction enriched in germanium. Also, the process can be used to increase the content of gallium which is found in a jarosite phase of an ore of the supergene type for later recovery by solvent extraction.
REFERENCES:
patent: 3754713 (1973-08-01), Kienast et al.
patent: 4511461 (1985-04-01), Kruyer
Annual Report, Musto Exploration Ltd., 1983.
Mining Journal, Dec. 2, 1983, pp. 395-396.
Hebert Patrick
Predali Jean-Jacques
Eley Timothy V.
Metaleurop S.A.
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