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recover of gold from coal ash in finland

Dec 22 2014 · A group of scientists in the Russian Far East has developed an experimental technology that can turn waste from coalfired power plants into precious metals...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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