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iron ore gold ore cyanide leaching process

iron ore gold ore cyanide leaching process

Most agree that the overallcyanide equationforleachingand cyanidation ofgoldis as follows: 4 Au + 8 NaCN + O2 + 2 H20 = 4 NaAu (CN)2 + 4 NaOH.Cyanide Leaching Chemistry. In a relatively simple system of this type thegolddissolves readily. The only requirements are that thegoldbe free and clean, that thecyanide solutioncontain no impurities that might inhibit the reaction, and that an adequate supply of …

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