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    The loaded carbon is treated at high temperature to elute the adsorbed gold into the solution once again. The gold-rich eluate is fed into an electrowinning circuit where gold and other metals are plated out onto cathodes of steel wool. The loaded steel wool is pretreated by calcination before it is mixed with fluxes and melted.

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  • Ore processing – Waihi Gold

    In contrast, by the time the carbon reaches the first adsorption tank it has recovered most of the gold and silver from solution. This ‘loaded’ carbon is then pumped to the elution circuit (6) where the gold and silver is washed off with superheated water. The washed solution, called pregnant eluate, is passed to the electrowinning circuit (7).

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  • manufacturing of electrowinning cells for copper

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  • Electrowinning Rectifier, Electrowinning ... - Alibaba

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  • gold elution circuit - auto-spec.co.za

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  • Electrowinning - an overview | ScienceDirect Topics

    Electrowinning produces pure metallic copper from leach/SX electrolytes. In 2010, about 4.5 million tonnes of pure copper were electrowon. ... Total eluate volume in the circuit was 64 ... Leach residues are also floated at the Zhuzhou Smelter in Hunan, China (Huang, 1990), and sulfidization flotation has also shown promise ...

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  • China IGBT Adjustable Electrowinning Rectifier 0-6V, 0 ...

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  • Copper Extraction from the Discarded Printed Circuit Board ...

    printed circuit board: A review of current technologies and treatment status in china, J. of hazardous management Jhazmat, (2008) 2. Masavetas, Nikola O.U, Spanou, Pavlatou Production Of Copper Powder From Printed Circuit Boards By Electrodeposition, _____ ISSN 2278 – 9472 Res. J. Engineering Sci. 13 3 figures 3 a, b, c.

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