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chloride as an alternative to cyanide for the extraction of gold going full circle in jamaica

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chloride as an alternative to cyanide for the extraction of gold going full circle in jamaica

consequence a renewed effort has been launched to find suitable alternative lixiviants to recover gold Chlorination was the most popular process to extract gold before it was rendered obsolete with the advent of the cyanidation process at the turn of the last century not least because it required the use of potentially hazardous and costly chlorine to oxidizecomplex the gold The PLATSOL

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  • Chloride as an Alternative to Cyanide
    Chloride as an Alternative to Cyanide

    consequence a renewed effort has been launched to find suitable alternative lixiviants to recover gold Chlorination was the most popular process to extract gold before it was rendered obsolete with the advent of the cyanidation process at the turn of the last century not least because it required the use of potentially hazardous and costly chlorine to oxidizecomplex the gold The PLATSOL

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  • Chloride as an alternative to cyanide for the extraction
    Chloride as an alternative to cyanide for the extraction

    Request PDF Chloride as an alternative to cyanide for the extraction of gold Going full circle At the present time cyanide is the most widely used reagent to extract gold from its ores and

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  • CHLORIDE AS AN ALTERNATIVE TO CYANIDE FOR THE
    CHLORIDE AS AN ALTERNATIVE TO CYANIDE FOR THE

    The PLATSOL process originally designed to recover the platinum group metals PGM’s from their ores and concentrates provides an alternative to cyanide for gold ores The process generates oxidizing conditions in the autoclave capable of forming the Au ion and gold chlorocomplexes result from the addition of small quantities 510 gL of sodium chloride to the autoclave

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  • CA Flemings research works
    CA Flemings research works

    CA Flemings 5 research works with 35 citations and 241 reads including Chloride as an alternative to cyanide for the extraction of gold Going full circle

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  • Alternative Lixiviants to Cyanide for Leaching Gold Ores
    Alternative Lixiviants to Cyanide for Leaching Gold Ores

    Jan 01 2016 · Oxidative chloride sulfide and ammonialeaching processes are generally more applicable for the extraction of gold or platinum group metals as a byproduct from base metal sulfide concentrates Despite the research interest and pilot plant trials on many of the noncyanide gold lixiviants the majority are still at the development stage

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  • Cyanidefree gold leaching in exceptionally mild chloride
    Cyanidefree gold leaching in exceptionally mild chloride

    Oct 10 2019 · The oxidation agent was observed to affect gold extraction In a slightly more concentrated chloride solution 28 M gold extraction was 93–94 when minor cupric 01 M and 002 M was used as oxidation agent In ferric leaching the gold extraction was slightly lower 85–89 with ferric concentration of 01 M and 004 M

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  • Full circle
    Full circle

    Oct 12 2015 · Dundee Sustainable Technologies DST is ratcheting up its efforts to create a cyanidefree gold extraction process In early July the company commissioned an in­dustrialscale demonstration plant in Thetford Mines Quebec capable of processing up to 15 tonnes per day of gold concentrate using its proprietary chlorination process

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  • Electrochemical recovery of minor concentrations of gold
    Electrochemical recovery of minor concentrations of gold

    Abstract Despite of being the most common hydrometallurgical process for extraction of gold from ores and concentrates cyanide leaching is blamed for its hazardous impact on environment and human health These concerns have given a rise for alternative cyanidefree technologies such as cupric chloride leaching

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  • Gypsum Fouling in Neutralization Reactors and Aqueous
    Gypsum Fouling in Neutralization Reactors and Aqueous

    Chloride as an Alternative to Cyanide for the Extractino of Gold Going Full Circle Ferron C J Fleming C A Dreisinger D O Kane T TMS 2003 print version

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  • Wiley Hydrometallurgy 2003  Fifth International
    Wiley Hydrometallurgy 2003 Fifth International

    Alkaline Sulfide Recovery of Gold Utilizing Nitrogen Species Catalyzed Pressure Leaching 75 CG Anderson Chloride as an Alternative to Cyanide for the Extractino of Gold Going Full Circle 89 CJ Ferron CA Fleming D Dreisinger and TOKane Using Thiocyanate as Lixiviant for Gold Recovery in Acidic Environment 105

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