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Here I present an Process EXAMPLE of Gold Extraction Cyanide in which the cyanidation feed consists of a pyrite concentrate floated after the selective flotation of a copper-gold concentrate The pyrite concentrate is reground to 90% minus 325 mesh and aerated in a high-lime solution prior to cyanidation It contains 99% sulphides of which 10 to 20 percent is pyrrhotite and 03 to 07%


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Gold Extraction Process Sod ium cyanide has been used in the extraction of gold from ore for over a century Today it is still considered the most efficient extraction method – with sodium cyanide used in the leaching process in most gold mining operations


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May 20, 2013 · Extracting gold from ore is a poisonous business The most common method is cyanide leaching, where cyanide salts in solution are used to suck the gold out from its ore You get gold…


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Cyanide Leaching Of Gold Gold Cyanide Solution (Leaching Gold With Cyanide) Since the 1890's, cyanide has been used to recover gold from gold bearing ores And today, over 115 years later, most of the worlds gold is recovered with cyanide playing a large part in the beneficiation of the yellow precious metal Mining and Mineral Processing


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Extraction of gold using cyanide - NZQA The process: The ore is ground and crushed and any free gold is extracted by use of gravity as it may be too large to react readily with the cyanide If the gold ore Get Now Cyanide process metallurgy Britannica


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Cyanide can be used to extract gold, either in a controlled mill environment, or more crudely on rock piles in the open Cyanide "vat leaching" mixes finely crushed ore with a cyanide salt in water The cyanide binds to the gold ions, and makes them soluble in …


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