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chemical extraction of gold

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    Cyanide leaching has been the dominant gold extraction technology since the 1970s, although small-scale and artisanal miners continue to use mercury in some areas of the world. In Canada, more than 90% of mined gold is extracted from ore using cyanide.

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  • The Metallurgy of Cyanide Gold Leaching An Introduction

    Leaching gold with a cyanide solution remains the most widely used hydrometallurgical process for the extraction of gold from ores and concentrates.

  • The Metallurgy of Cyanide Gold Leaching An Introduction

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