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Outside the Ray Nixon Power Plant south of Colorado Springs sits million tons of coal ash, the remnant of three decades of coalfired power generation. Nationwide ...
Researchers from the Russian Academy of Sciences'' Far East branch say they are building a facility to make gold out of coal.
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Gold in coal raises shining prospect | The. 1 Aug 1993 ... Assuming a gold content of about the average found in Welsh coal, this means the stockpile contains about ...
Therefore, in a recent study titled "Commercial Recovery of Metals from Coal Ash ... Although metal extraction from coal ash is a challenging area, ...
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Far Eastern Federal University in Vladivostok has developed a new experimental technology that can extract gold and platinum from the ash dumps of coalfired power ...
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However, in coal ash there is much palladium, gold, ... the reagents used in the extraction of ash are considerably more environmentallyfriendly than the reagents ...
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