2017-2-8 · Anode slime adhesion has significant effects on slime particle behavior and hode purity in copper electrorefining. Generally, larger anode slime adhesion leads to better copper hode quality, because less slime particles are released to the electrolyte and transported to hodes.
Abstract. Copper electrorefining tests were conducted in a pilot-scale cell under commercial tankhouse environment to study the effects of anode compositions, current density, hode blank width, and flow rate on anode slime behavior and hode copper purity.
About 18% of these are industrial furnace, 14% are machining, and 5% are carbon. A wide variety of copper anode furnace options are available to you, such as heat treatment furnace, melting furnace. MENU . Copper Scrap Copper Anode Slime Smelting Furnace Super Quality Carbon Graphite Electrode For Arc Furnaces .
Copper concentration profiles, electrolyte flow velocity field, slime particle movements, and slime particle distributions were obtained as simulation results, which were compared with those in a laboratory-scale conventional electrolytic cell.
equipments for attrition for copper anode slime. Method And Device For Treating Anode Slime. equipments for attrition for copper anode An anode is an electrode through which electric current flows into a . Method for treating lead anode slime / Outotec
2018-11-11 · Copper anode mud; wet treatment; leaching; technical index ；；； mud and liquid, copper anode slime, tin anode slime. ：
The anode slime comes from the process of scrap copper electrolysis which contains high content of copper, stannum and some other metals, such as lead, antimony and precious metals.
2013-10-14 · Effect of As, Sb, Bi and Oxygen in Copper Anodes During Electrorefining Proceedings of Copper 2010 1499 ionised water and brushed, to remove remaining anode sludge from the surface of the anodes. In the next step, the electrolyte from each cell is filtered and the collected anode sludge is immediately washed and dried.
However, in the above copper plating, slime composed mainly of copper powder or a metal salt on the surface of the electrode occurs during the anode dissolution, and flows out to the bath peeled from the anode electrode. Slime flowing out into the bath adheres to the surface of the hode electrode, there is a problem that tends to generate
2017-9-1 · Keywords : secondary copper anode, nickel, anode slime, wast e sulfuric acid solution ABSTRACT In this paper are presented the results of major el ement distribution from copper anode to anode slime as so as the percentage of anode slime that was obtained during the copper anode electrorefining process.
PHYSICAL SPECIFIIONS. ICC Copper anode slime. Colour - Black. Size - Powdery material
2018-10-31 · Electrowinning is the oldest industrial electrolytic process. The English chemist Humphry Davy obtained sodium metal in elemental form for the first time in 1807 by the electrolysis of molten sodium hydroxide.. Electrorefining of copper was first demonstrated experimentally by Maximilian, Duke of Leuchtenberg in 1883.
Electrorefining of Copper. 1. Electrorefining – General Introduction In an electrorefining process, the anode is the impure metal and the impurities must be lost during the passage of the metal from the anode to the hode during electrolysis, i.e. the electrode reactions are, at the anode: M → Mn+ + neand at the hode: Mn+ + ne- → M Electrorefining is a much more common process than
2018-6-9 · Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of copper. It generally contains Cu, Ni, Se, Te, Ag, Au, platinum group metals
2015-5-6 · In this work, the effect of temperature on the dissolution of gold from copper anode slime via chlorine gas - hydrochloric acid leaching system is investigated form the thermodynamic and kinetic aspects. Recovery of gold from copper anode slimes is a multi-stages process; at first stage selenium and copper were separated from anode slime.
2018-9-12 · electrode potentials, silver and copper are expected to accumulate undissolved in a slime layer formed at the anode surface containing a large amount of metallic particles fallen out of the anode substrate as a result of uneven dissolution.
The concentration of the simple copper ions is then so much diminished that the copper plate becomes an anode with regard to zinc. Thus the cell - copper I potassium cyanide solution I potassium sulphate solution - zinc sulphate solution I zinc - gives a current which carries copper
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2003-10-22 · Processing of copper anode-slimes for extraction of metal values 127 Forty-gram samples of the decopperised slime were leached with 1 dm3 of solution containing different amounts of acidified thiourea and ferric ion as oxidant.