treatment of anode slime from copper electrolysis

METALS FURNACES, CONVERTERS, AND PROCESS …

are copper scrap, WEEE scrap of different qualities, especially printed circuit boards, dust, slag, lead production alloys containing precious metals, and anode slime from copper electrolysis. Depending on the purpose, different water-cooled lances are used for melting, oxidation, reduction, or flue dust feeding.

Effect of As, Sb, Bi and Oxygen in Copper Anodes During ...

Effect of As, Sb, Bi and Oxygen in Copper Anodes During Electrorefining Claudia A. Möller, Bernd Friedrich Myagmarsuren Bayanmunkh ... D-52056 Aachen Ulaanbaatar, Mongolia Keywords: Copper refining electrolysis, anode passivation, impure anodes, anode behaviour, anode slime, distribution coefficient, arsenic, antimony, bismuth, oxygen ...

Copper extraction - Wikipedia

Copper extraction Jump to navigation Jump to search. The Chino ... At the anode, copper and less noble metals dissolve. More noble metals such as silver, gold, selenium, and tellurium settle to the bottom of the cell as anode slime, which forms a salable byproduct. Copper(II) ions migrate through the electrolyte to the cathode.

pcb recycle line anode slime treatment copper gold silver ...

Anode Slime, Anode Slime Suppliers and Manufacturers pcb recycle line anode slime treatment copper gold silver recovery PCB Recycle Line Anode Slime Treatment Copper Gold Silver Recovery. US $1-10000000 Set. 1 Set Min. Order.

Electrorefining of Copper - Universidade Federal do Rio ...

Electrorefining of Copper 1. Electrorefining – General Introduction ... lost during the passage of the metal from the anode to the cathode during electrolysis, i.e. the electrode reactions are, at the anode: M → Mn+ + ne- ... They will be found as metals in the anode slime; 4) Sn, ...

Copper Anode Slime - Metalcess

The copper anode slime and lead anode slime usually contain precious metals like gold and silver. Depending on the treatment capacity, process of anode slime recovery is achieved by two different methods, i.e. pyro-metallurgy and hydrometallurgy.

Electrolytic Refining of Metals | #aumsum #kids #education ...

Jan 24, 2016· Our topic for today is Electrolytic Refining of Metals. Electrolytic refining is the process of obtaining pure metals like gold, silver, copper etc. by the process of electrolysis. Let us learn ...

Copper Electrolysis Refining Plant, Purification of Copper ...

The refining anodes taken out from the refining furnace is changed into electrolytic copper with purity of 99.99% through an electrolysis process: During electrolysis, copper (II) ions leave the impure copper anode and since they are positive, migrating to the negative cathode.

The Treatment of Copper Refinery Anode Slimes

The development of a novel process for the treatment of copper refinery anode slimes is described. ... "Hydrometallurgical Treatment of a Copper Refinery Slime Rich in Selenium and Tellurium ...

EXTRACTION OF GOLD, SILVER AND COPPER FROM THE …

Key-words: Electrorefine, anode slime, copper. Abstract Copper sulphides Concentrates, from the flotation process of copper primary ore; contain, commonly, small amounts of precious metals, such as gold and silver. During the smelting process of those concentrate all gold and silver are practically in the blister copper, which is cast into anodes.

Anode Slimes Treatment: The Boliden Experience

the treatment of both copper and lead anode slimes. Although the chemistry ... and gold electrolysis. Gas cleaning at this stage consisted of gas cooling and ... (Figure 2). This new process could accept Anode Slimes Treatment: The Boliden Experience Bjorn M. Ludvigsson and Stig R. Larsson substantially more impurities in the silver anode slime ...

Electrowinning - Wikipedia

The English chemist Humphry Davy obtained sodium metal in elemental form for the first time in 1807 by the electrolysis of molten sodium hydroxide. ... where they form a substance referred to as anode sludge or anode slime. The metals in this sludge can be removed by standard ... Copper Electrowinning ...

Electrolysis - Lenntech

To produce very pure copper you have to choose a polluted copper anode, which will be cleaned by electrolysis. The copper get as Cu 2+ ions in solution and precipitate on the cathode a more pure copper layer than before. The pollution from the anode will not react as the copper. Metals with a more noble character than copper will not react.

ANODE SLIME GAINED DURING ELECTROLYTIC REFINING …

Anode slime from copper electrolysis, though a byproduct of copper industry, contains many valuable and important metals like nickel, copper, selenium, tellurium and noble metals, the recovery of which not only makes copper production economical but also gives important metals.

Treatment of anode slime from copper electrolysis ...

Mar 16, 1976· A process for treatment of anode slime from copper electrolysis which comprises flotation of the anode slime by subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution.

recovery of gold and silver from copper anode - Mineral ...

Copper Electrolytic Plant Cathode Preparation Machine Used for copper electrolysis. Add to Compare . Copper Wire Electrolytic Silver Plating Machine . ... PCB Recycle Line Anode Slime Treatment Copper Gold Silver Recovery. Unionsum is involved a new project recycle the …

Electrolytic Refining - Mineral Processing & Metallurgy

Basis of Electrolytic Refining Methods ... though it may be noted that cell voltages vary from about 0.25 v. for electrolytic copper refining with soluble anodes to about 5 v. for aluminum reduction with carbon electrodes. ... the weight of anode slime is small in relation to the weight of the original anode, and the previous metals (and ...

treatment of anode slime from copper electrolysis

Treatment of anode slime from copper electrolysis ... · Process for the flotation of anode slime from copper electrolysis comprising subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution.

Effect of thermal treatment of copper anodes on ...

Thermal treatment of copper anodes has a significant effect on the electrolysis parameters of the electrorefining process as follows: The specific energy required for the electrorefining process is reduced from about 0.491 kWh/kg for the untreated anode to 0.329 kWh/kg for the quenched anode in water.

Copper Refining Electrolyte and Slime Processing ...

Copper Refining Electrolyte and Slime Processing - Emerging Techniques ... Copper Refining Electrolyte and Slime Processing -... Copper Refining Electrolyte and Slime Processing - Emerging Techniques ... H. Antrekowisch, G. Mori, Problems in the electrolysis of copper anodes with high contents of nickel, antimony, tin and lead, Proc. 6th Int ...

Electrolytic Refining: Silver – Gold – Copper

This slime is transferred to the horizontal cells for re-treatment. (In some plants, the anodes are encased in cloth bags, and the black gold is caught before it can drop to the bottom, and is melted for gold anodes, without further treatment.)

copper anode-sludge:recovery of precious metals, market ...

from copper anode slime Recovery of gold from copper anode slimes is a multi-stages process There are more than 650 operating and planned copper mines, 140 smelters and 250 refineries world wide

US4352786A - Treatment of copper refinery anode slime ...

Treatment of anode slime from copper electrolysis US4002544A (en) * 1975-04-03: 1977-01-11: Outokumpu Oy: Hydrometallurgical process for the recovery of valuable components from the anode slime produced in the electrolytical refining of copper US3996046A (en) …

Waste Treatment and Utilization in Heavy Metal Metallurgy

Copper industry Pressure leaching In XiangGuang Copper, the anode slime treatment capacity is 2400t/a. Guixi and Tong Ling Kaldo process was put into production in 2009, with anode slime treatment capacity 4000t/a. The recovery of Au and Ag is over 99%.

US3944414A - Treatment of anode slime from copper ...

A process for treatment of anode slime from copper electrolysis which comprises flotation of the anode slime by subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution.

Treatment of Waste Copper Electrolytes Using Insoluble …

Treatment of Waste Copper Electrolytes Using Insoluble and Soluble Anodes ... the anode slime, while the copper is deposited on the cathode and also passed in the slime. ... electrolysis as well ...

HYDROMETALLURGICAL PROCESSING OF ANODE SLIMES …

copper material of the PCB (Printed Circuit Board) surface and also their oxidation ... Figure 5 The XRD spectrum of the produced anode slime sample (3h electrolysis with 1000 A/m2) Ag Sn x Cu y Sn x Ag y Cu Ag-area Cu-area Energy, kV ... needed a complex pre-treatment by digestion in aqua regia, followed by high temperature

Processing of copper electrorefining anode slime: a review

Processing of copper electrorefining anode slime: a review J. Hait *1, ... The electrolysis is carried out for reÞning of impure ... the process chemistry involved in the processing anode slime treatment. Formation of anode slime

The treatment of copper refinery anode slimes | SpringerLink

Abstract. There are numerous viable approaches to the treatment of anode slimes from electrolytic copper refining. Of particular interest in the treatment of …