hypochlorite gold leaching equipment

  • Leaching of an oxide gold ore with chloride/hypochlorite

    An oxide gold ore was subjected to chloride/hypochlorite leaching at room temperature. The effects of three factors including Ca(OCl) 2 vs. NaOCl OCl concentration and HCl concentration on gold leaching performance were investigated. Due to formation of CaOCl + complex in solution and hence less reactivity calcium hypochlorite produces a sluggish gold leaching kinetics taking twice

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    Chloridehypochlorite oxidation and leaching of refractory sulfide gold concentrate 63 Fig. 1. The Pourbaix diagram of FeS at [Fe] = 10 4 M [S] = 10 M and 25 C (the chlorine species regions are also marked) (Marsden and House 2005) Fig. 2.

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  • Chlorination Leaching of Refractory Ores Hydrometallurgy

    Nichromet both has a process that uses chloride and bromide to leach gold from refractory ores high in sulphides. I also suggest you look at papers by Dr. Corby Anderson that use alkaline sulfide leaching to extract gold from refractory ores. The latter can be run at

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  • Hypochlorite Gold Leaching Equipment

    Ore Beneficiation Hypochlorite. Hypochlorite gold leaching equipment icas2017conference.Com.Hypochlorite gold leaching equipment role of sodium hypochlorite in ore beneficiation gold ore flotation machine gold refining process and equipment for posts related to role of sodium hypochlorite in contact supplier.Get price.Gold recovery from pc

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  • Hypochlorite Leaching of Gold Ore

    Leaching pure gold with an acidic sodium hypochlorite solution has been demonstrated to be effective. The initial rate of gold dissolution was extremely rapid. In a leaching solution containing 1 g/L NaCl 1 % HCl and 2 % NaOCl nearly 90 % of the gold was extracted in only 30 minutes. Additions of hydrochloric acid will reduce the sodium

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  • Advances in Gold and Silver Processing

    HYPOCHLORITE LEACHING OF GOLD ORE 69 Overall reaction of equations (I) (2) and (3) can be summarized as follows It is obvious that both hydrochloric acid and sodium chloride have affected the gold dissolution in hypochlorite solution. RESULTS AND DISCUSSION Gold Precipitate The dissolution of gold in dilute hypochlorite solution is very slow. With the addition of hydrochloric acid

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  • Leaching of an oxide gold ore with chloride/hypochlorite

    An oxide gold ore was subjected to chloride/hypochlorite leaching at room temperature. The effects of three factors including Ca(OCl)2 vs. NaOCl OCl concentration and HCl concentration on

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  • A Comparative Study of Cyanide and Chloride

    An oxide gold ore from Placer Surigao Del Norte was subjected to chloridehypochlorite and cyanide leaching at room temperature at 3 different hours 4 hours 12 hours and 24 hours. This project characterized the ore used and assessed the effects

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  • How to Use Bleach on Gold Ore to Remove Gold Sciencing

    How to Use Bleach on Gold Ore to Remove Gold Bleach is the chemical compound sodium hypochlorite. When combined with hydrochloric acid the mixture produces chlorine that dissolves gold from gold ore. This was the first commercial method used for gold extraction. Place the ore into the mortar and grind it to the size of sand grains. Put the ore grains into a plastic bowl. Add the 35

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  • How to Leach Gold Ore With Chlorination Sciencing

    How to Leach Gold Ore With Chlorination Pour in the hot water bleach and HCL. The mixture should be 15 percent sodium hypochlorite and 33 percent hydrochloric acid. The mixture should cover the rocks so multiply the mixture until the rock is covered. Insert the ORP meter so the probe side is in the water mixture. An ORP meter is used to measure oxidation which is required to break the

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