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In electro refining of copper some gold is produced as *

In Electrolytic refining, the impure metal is made to act as an anode. A strip of the same metal in pure form is used as the cathode. They are put in a suitable electrolytic bath containing a soluble salt of the same metal. The more basic metal remains in the solution and the less basic ones go to the anode mud. Copper is refined using an electrolytic method

  • Electrorefining of copper some gold is deposited as
    Electrorefining of copper some gold is deposited as

    Electrorefining of copper some gold is deposited as Electrolytic extraction process Electro-financing technology that converts the commercial nuclear fuel spent in metal. Electro-electro-ration, also called electro-estraction, is the electrodeposition of metals from their minerals that have been put into solution through a process commonly

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  • Gold in the Electrorefining of Copper and the
    Gold in the Electrorefining of Copper and the

    Refining of silver and gold as products from gold mining or the smelting of copper anode slime, is often the final process of these metal production processes (Shi and Ye, 2013;Bard and Sobral, 2008)

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  • Electrolytic Refining - Meaning, Electrorefining of Copper
    Electrolytic Refining - Meaning, Electrorefining of Copper

    Copper is usually mined from its coal known as blister copper. It is about 98 to 99 per cent pure. However, the electro-refining process can easily make it 99.95% pure which makes it a good product to be used in electrical components. A block of impure copper is taken as an anode or positive electrode

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  • A study of the influence of copper on the gold
    A study of the influence of copper on the gold

    in the eluate. In this work, the influence of copper on the electro-plating of gold was further investigated using a laboratory electrowinning cell with a rotating disc cathode, polarization, and adhesion tests. It was found that the reduction of copper will compete with gold electrowinning at high copper tenors and that the

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  • Electrowinning of Gold & Silver from Copper Bearing
    Electrowinning of Gold & Silver from Copper Bearing

    Apr 24, 2018 Apr 24, 2018 Production of bullion containing less Cu could have an immediate impact on Au producers. Precious metals refineries increase refining charges with increasing copper content of metal submitted to them. Lower copper content in the metal produced by the electroplating cells means decreased refinery fees for the gold producer

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  • 300+ TOP MCQs on General principles and Processes of
    300+ TOP MCQs on General principles and Processes of

    6. In electrorefining of copper some gold is produced as: (A) cathode mud (B) anode mud (C) cathode deposit (D) anode deposit. Answer. Answer: (b) 7. In the electrolytic method of obtaining aluminium from purified bauxite, cryolite is added to the charge in order to: (A) lower the melting point of bauxite

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  • Electrolytic processes for gold and other precious metals
    Electrolytic processes for gold and other precious metals

    Oct 12, 2017 Electrolytic Methods Used in Refining Processes of Gold and Other Precious Metals. Electrolysis is an electro-chemical process where an electrical current stream is flowing between two electrodes and through an electrolyte.This process involves the transfer of metal ions through the ionised electrolyte solution, depositing positive ions on the cathode and negative ions on the anode

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  • Electrolytic Refining of Gold
    Electrolytic Refining of Gold

    Mar 25, 2016 Electrolytic Refining of Gold. The method just described aims at leaving gold in an insoluble state at the anode. Other impurities are usually left there, and the gold sponge, or slimes, needs further refining by methods, to be indicated later. By using a suitable electrolyte the gold can be dissolved from the anode bars and deposited in sheet

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  • Copper Environmental Profile - Copper Alliance
    Copper Environmental Profile - Copper Alliance

    electro-refining is refined copper cathode, containing over 99.99 percent copper. Alternatively, the hydrometallurgical route extracts copper from mainly low grade oxide ores and some sulfide ores through leaching, solvent extraction (also referred to as solution extraction), and electrowinning, often

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  • Extraction and Refining of the Platinum Metals
    Extraction and Refining of the Platinum Metals

    Electro-Refining Operations Copper anodes from the converter process are dissolved electrolytically using an acid copper sulphate solution as an electrolyte. The products of this operation are pure copper cathodes and an anode slime which Platinum Metals Rev., 1963, 7 , (41, may contain gold and small quantities of the

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  • Electrorefining - an overview | ScienceDirect Topics
    Electrorefining - an overview | ScienceDirect Topics

    By a complex series of steps which include sulfuric acid acidification, roasting, copper electrowinning, silver cementation, fusions, and further electrowinning operations a precious metal alloy called Dor metal analyzing 8–9% gold and 85–90% silver is recovered from the residual copper, selenium, tellurium, and lead

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  • Electrolytic Refining - Meaning, Electrorefining of
    Electrolytic Refining - Meaning, Electrorefining of

    Dec 17, 2019 Copper wire is readily tinned, has superior soldering properties and is resistant to corrosion at points of contact. Electrolytic Refining of Minerals. The electrolytic refining processes of certain major minerals are discussed below: Gold. In the process of electrolytic gold refining

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