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Gold cyanidation (also known as the cyanide process or the MacArthur ... There are currently protests in Romania calling for a ban on the use of cyanide in mining ...
Cyanide recovery in mining is used as a chemical compound to separate gold from its ores. Very economical, but until APT''s tanks, toxic to the environment.
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silver and gold mining, cyanide solutions are used in a leaching process to concentrate the metal ore. Low grade ore is . ... Gold and black sand is easy to process.
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The Journal of The South African Institute of Mining and Metallurgy OCTOBER 2001 359 ... ratio). Since cyanide is the more expensive reagent, it is
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