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alluvial gold mining unit in colombia

Jul 27 2018 · Just last week the Colombian government banned the use of mercury in all mining operations although some licensed mining operations are known to use as much as 95 tons per year in alluvial gold ...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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