percolation leaching

percolation leaching

[pər·kə′lā·shən ‚lēch·iŋ]
(mining engineering)
The selective removal of a mineral by causing a suitable solvent to seep into and through a mass or pile of material containing the desired soluble mineral.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Deep percolation leaching from rain between irrigation seasons (i.e., before spring planting) was practically the same at the control site as the average amount at the test sites, about 5.4 inches.
A test programme preceding the design of a simple heap leaching project with several distinct rock types typically will include 250 to 500 laboratory "bottle roll" tests and 25 to 100 large column percolation leaching tests.