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  • Thiosulfate Leaching as an Alternative to Cyanidation

    Thiosulfate Leaching as an Alternative to Cyanidation

    Summary of Leach Conditions and Thiosulfate Consumption Most investigators have reported the ammonium thiosulfate leaching conditions used but did not mention the reagent consumption. In reality, the reagent consumption is one of major factors affected the feasibility of

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  • Thiosulphate Leaching  Mining  SGS

    Thiosulphate Leaching Mining SGS

    Thiosulfate leaching is an alkaline process (usually operated in the pH 8 to 10 range) so there are no concerns with corrosion of equipment in the recovery operation; The main chemical components of the thiosulfate leaching process (ammonium thiosulfate and ammonium sulphate) are common fertilizers.

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  • Sodium Thiosulphate Gold Leaching

    Sodium Thiosulphate Gold Leaching

    Sodium Thiosulphate Gold Leaching The gold industry has been seeking alternative reagents for leaching gold from low grade ores for the past 25 years. The cost and transport of cyanide, the poor recovery of gold from carbonaceous ores, the lack of selectivity of cyanide towards copper minerals and the cost of waste treatment are real factors

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  • US6632264B2   Gold recovery from thiosulfate leaching

    US6632264B2 Gold recovery from thiosulfate leaching

    For example, in thiosulfate leaching of precious metals ores such as gold ores, large amount of tetrathionate may be generated through copper catalyzed oxidation of thiosulfate. The presence of copper in such solutions may arise naturally from the ores or from addition of cupric ions in the leaching process to enhance the recovery of the precious metals.

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  • Thiosulfate leaching of gold   A review  Request PDF

    Thiosulfate leaching of gold A review Request PDF

    The ammoniacal thiosulfate leaching process for gold and silver extraction has been reviewed in terms of leaching mechanism, thermodynamics, thiosulfate stability, and gold recovery options.

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  • THIOSULPHATE LEACHING   sgs

    THIOSULPHATE LEACHING sgs

    THIOSULPHATE LEACHING AN ALTERNATIVE TO CYANIDATION IN GOLD PROCESSING ALTERNATIVES TO CYANIDE IN GOLD PROCESSING THIOSULPHATE LEACHING Thiosulphate leaching is a process that removes gold from gold bearing ores without the use of cyanide. Although not

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  • Thiosulfate leaching of goldA review   ScienceDirect

    Thiosulfate leaching of goldA review ScienceDirect

    Thiosulfate leaching can be considered a non toxic process, the gold dissolution rates can be faster than conventional cyanidation and, due to the decreased interference of foreign cations, high gold recoveries can be obtained from the thiosulfate leaching of complex and carbonaceous type ores.

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