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Agglomeration Heap Leaching of Precious Metals.

Authors
Eisele-JA; Pool-DL
Source
14th Annu Hydrometall Mtg Timmins Ontario Canada 1984 (11):1-15
Link
NIOSHTIC No.
10004211
Abstract
The Bureau of Mines developed a particle agglomeration technique to improve the flow of leaching solution through heaps of low-grade gold and silver ores that contain clays. Bench-scale experiments and industrial practice show that the percolation rate of cyanide leaching solution is greatly enhanced by mixing the ore with portland cement as a binder, moistening the mixture, mechanically tumbling to form agglomerates, and aging before heap building and leaching. A slight modification of the technique allows its application to precious-metal-bearing tailings, which cannot normally be treated by heap leaching because they are too fine.
Publication Date
19840101
Document Type
OP;
Fiscal Year
1984
Identifying No.
OP 142-84
Issue of Publication
11
NIOSH Division
RERC;
Source Name
14th Annu. Hydrometall. Mtg, Timmins,Ontario, Canada, No. 11, 1984, PP. 1-15
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division