B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
209/10, 209/15,
B03B 1/00 (2006.01) B03B 9/00 (2006.01) B07B 9/00 (2006.01)
Patent
CA 1228054
PROCESS AND APPARATUS FOR PRODUCING A METALLIFEROUS CONCENTRATE FROM A PARTICULATE FEED MATERIAL Abstract of the Disclosure A concentrate containing precious metals is produced from a particulate feed material containing particles of various sizes by a size fractionation step, a gravity separation step performed on each size fraction separately, a magnetic separation step and a second gravity separation step. The process is especially intended for separating gold and other metals from so-called "black sand" placer deposits.
457822
Attia Yosry A.
Tewksbury Ted L.
Battelle Development Corporation
Fetherstonhaugh & Co.
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