Ball Mill For Artisanal Mining

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Health Impact of Artisanal Gold Mining in Latin America | ReVista. Ball mills or "cocos" in Colombia. Almost 100 grams of mercury is added to 60 kilograms of ore in each mill.

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Ball mills or "cocos" in Colombia. Almost 100 grams of mercury is added to 60 kilograms of ore in each mill. Photo by Marcello Veiga A Mining Boom Brings Risk from Mercury Contamination By Nancy Long Sieber and Joseph Brain

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Mill leaching: a viable substitute for mercury amalgamation in the artisanal gold mining sector?

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