B - Operations – Transporting – 03 – B
Patent
B - Operations, Transporting
03
B
209/69
B03B 5/00 (2006.01) B03B 5/62 (2006.01) B03B 7/00 (2006.01)
Patent
CA 1107689
METHOD AND APPARATUS FOR THE WET GRAVITY CONCENTRATION OF ORES ABSTRACT A method and apparatus is provided for the wet gravity concentration of particulate ores that will reduce the proportion of material previously requiring re-treatment for a predetermined degree of concentration. A stream of ore pulp consisting of a mixture of concentrate particles and lighter tailing particles in water is stratified so that at least a portion of the concentrate particles become located at or near the bottom of the stream. As a result, a concentrate enriched stratum is located at the bottom of the stream with a concentrate depleted stratum at the top of the stream and an intermediate stratum of approximately feed grade material between the two. The stream is divided to remove at least a part of the enriched stratum, thereby producing two sub-streams which then are stratified. The richer sub-stream is divided to remove at least part of its enriched stratum without intruding substantially into its feed grade stratum. The poorer sub-stream is divided to remove at least part of its depleted stratum without intruding substantially into its feed grade stratum.
291281
Clyde Industries Limited
Sim & Mcburney
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