grease table

grease table

[′grēs ‚tā·bəl]
(mining engineering)
An apparatus for concentrating minerals, such as diamonds, which adhere to grease; usually a shaking table coated with grease or wax over which an aqueous pulp is flowed.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Two years later, Redaurum constructed a 10 t/h test plant on site which utilised a rotary diamond pan for concentration and a vibrating grease table for diamond recovery.
The heavy mineral concentrates recovered from the pans are passed with water over a vibrating grease table. Owing to the hydrophobic property of diamonds, these stick to the grease affording a very clean diamond concentrate for final hand sorting.
The final concentrate is fed onto sloping grease tables for removal of the diamonds.