Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ib metal
Patent
1988-10-27
1990-10-02
Stoll, Robert L.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ib metal
75747, 423DIG15, 423 29, 266137, 23313R, 241 3, C22B 1108, C22B 124, C01G 700
Patent
active
049604619
ABSTRACT:
The invention relates to a method and apparatus for extracting gold from gold ore. The apparatus and process save capital and operating costs in the extracting of gold from gold ore and include comminution and leaching of the ore, and more particularly the apparatus and process reduce the costs for the ore grinding, and make a fine ore grinding superfluous without having to accept a reduction in the gold yield during leaching. The gold ore is subjected to a product bed stressing and interparticle crushing in the nip of a high-pressure roller press before being leached and the product that has been product-bed-comminuted and subjected to interparticle crushing and the product agglomerates thereby formed are piled on a heap that is sprayed with a lixivium.
REFERENCES:
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patent: 1342917 (1920-06-01), Lane
patent: 3420453 (1969-01-01), Tada et al.
patent: 4256706 (1981-03-01), Heinen et al.
patent: 4357287 (1982-11-01), Schonert
patent: 4374097 (1983-02-01), Holland
Esna-Ashari Mohammed
Gemmer Ludwig
Hamacher Gert-Helge
Kellerwessel Hans
Bos Steven J.
Klockner-Humboldt-Deutz AG
Stoll Robert L.
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