Johnson concentrator
Johnson concentrator
[′jän·sən ′käns·ən‚trād·ər] (mining engineering)
A device used to separate heavy particles such as metallic gold from auriferous pulp; composed of a shell in the shape of a cylinder that is lined with rubber grooves parallel to the inclined axis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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