Effect of pyrrhotite reactivity on cyanidation of ... The effect of the metal to sulphur ratio in the nonstoichiometic compound, pyrrhotite, is related to the consumption of cyanide in gold leaching. Cyanidation of a pyrrhotite-bearing gold ore - ejmpep Cyanidation of a pyrrhotite-bearing gold ore G. Deschênes1*, ... The variation in cyanide consumption was 0.02kg/t for the ore ground to 74% -74µm and 0.09kg/t for the Gold recovery from a refractory pyrrhotite ore by biooxidation Gold recovery from a refractory pyrrhotite ore by biooxidation. ... with a high reagent consumption. ... Cyanide consumption increases from 16 kg t −1 ...    Read More

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  • Gold Metallurgy & Leaching in Cyanicides

    Where pyrrhotite is present in an ore, trouble is usually experienced both in regard to cyanide consumption and gold extraction, for the reactions involved tend to ...

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  • Cyanidation of a pyrrhotite-bearing gold ore - ejmpep

    Cyanidation of a pyrrhotite-bearing gold ore G. Deschênes1*, ... The variation in cyanide consumption was 0.02kg/t for the ore ground to 74% -74µm and 0.09kg/t for the

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  • sodium cyanide-Gold Cyanide-Shandong Xinhai

    Cause Analysis of Gold Cyanide consumption of sodium cyanide process

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  • COMPARISON OF CYANIDE AND THIOSULPHATE LEACHING .

    COMPARISON OF CYANIDE AND THIOSULPHATE LEACHING FOR GOLD PRODUCTION ... 4.1.2 Cyanide Consumption ... Many gold ores contain pyrrhotite which is easily oxidized and ...

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  • Cyanide Leaching and Decomposition of Pyrrhotite

    Research on cyanidation methods brought considerable discussion on the reactions involved in the leaching and decomposition of pyrrhotite ... cyanide consumption ...

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  • Cyanidation of a pyrrhotite-bearing gold ore (PDF Download ...

    Cyanide consumption decreased slightly by approximately 8%. ... cyanidation of a pyrrhotite-bearing gold ore as a function of lead nitrate addition.

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  • The effects of dissolved oxygen and cyanide dosage on gold ...

    On Feb 1, 2004 Sandra Ellis (and others) published: The effects of dissolved oxygen and cyanide dosage on gold extraction from a pyrrhotite-rich ore

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  • Gold recovery from a refractory pyrrhotite ore by biooxidation

    Gold recovery from a refractory pyrrhotite ore by biooxidation. ... with a high reagent consumption. ... Cyanide consumption increases from 16 kg t −1 ...

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  • Environmental & Health Effects | International Cyanide ...

    This document is a general summary of cyanide's effects on human health and the environment, ... and pyrrhotite (FeS), as well as their oxidation products, ...

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  • Effect of pyrrhotite reactivity on cyanidation of ...

    The effect of the metal to sulphur ratio in the nonstoichiometic compound, pyrrhotite, is related to the consumption of cyanide in gold leaching.

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