anode slime from copper electrorefining process 27728

Processing of copper electrorefining anode slime: a review ...

Jul 18, 2013 · Abstract. 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 (PGM), Pb, Ba, Fe, etc. Owing to the presence of valuable metals and metalloids in the anode slime, numerous approaches have been made by the researchers to extract them

Processing of copper electrorefining anode slime | Request PDF

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 (PGM ...

A study of anodic slime behaviour in the electrorefining ...

Feb 01, 1995 · The kinetics of anode slime formation and propagation were studied in a laboratory-scale copper electrorefining apparatus. Laser-based illumination and digital image processing of videotaped records of slime movement, combined with current/time monitoring and polarization experiments, provide quantitative information about the complex interaction between characteristic parameters of the

Anode slime behaviour in a laboratory‐scale copper ...

Combining conventional electrochemical measurements, laser-based visualization and digital image processing, the movement of anode slime, its spatial distribution and path of falling during the copper electrorefining process were investigated in a laboratory scale cell. Two types of anode slime, small agglomerates and fine particles were observed.

Integrated process for recycling copper anode slime from ...

Nov 01, 2017 · The copper anode slime was obtained from a factory which is located in southern of China. Before the experiment, H 2 SO 4 solution was used to remove copper, and H 2 O 2 was added. The main chemical composition of anode slime was analyzed by inductively coupled plasma (ICP), as shown in Table 1.NaClO 3 was taken as the chlorinating agent, H 2 SO 4 was taken as the leaching

Copper Anode Slime Recovery-Copper- - Metalcess

Copper Anode Slime Recovery. Anode slime is a byproduct from copper or lead electro-refining process. The copper/lead anode slime usually contain As, Sb, Bi and precious metals like gold and silver. Smelter of anode slime is most likely divided into two groups by the two different recovery processes based on its property and treatment capacity ...

HYDROMETALLURGICAL PROCESSING OF ANODE SLIMES

process, the produced anodic slime layer and the anode surface are illustrated by the pictures in Figure 1. The lowest current density experiment was carried out in a different cell of semi-industrial scale. The slime layer was removed from the anode surface by scraping, as shown in Figure 2a.

Electrorefining of Copper

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 cathode during electrolysis, i.e. the electrode reactions are, at the anode: M → Mn+ + ne-and at the cathode: Mn+ + ne-→ M

PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION

PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION OF METAL VALUES Received March 5, 2002, reviewed, accepted May 28, 2002 Processing of anodic slimes from an Egyptian copper electrorefining plant, exhibiting high contents of copper, lead, tin and silver has been presented. The proposed hydrometallurgical process

anode slime from copper electrorefining process

Patent US4293332 Hydrometallurgical process for recovering . spread over the entire process. Copper present in the slimes metals from copper anode slime: from copper electrorefining slime:

EXTRACTION OF GOLD, SILVER AND COPPER FROM THE

The anode slime is collected in the bottom of the electrolytic cells during the copper electrorefining. This slime generated during the copper refining process contains, among other base metals, costly precious metals. As previously mentioned, the blister copper, from the pyrometallurgical processing of copper sulphides (such as chalcopyrite ...

Cost Of Copper Electrorefining Anode Slime Processing

The anode slime obtained from the copper electrorefining tank contains several valuable elements. The physico-chemical characteristics of the anode slime determines the processing route to recover these elements. The slime invariably contains Cu, Ni, Se, Te, Ag, Au amp Platinum group metals PGM. Anode Slime From Copper Electrorefining Process

Integrated process for recycling copper anode slime from ...

Nov 01, 2017 · The copper anode slime was obtained from a factory which is located in southern of China. Before the experiment, H 2 SO 4 solution was used to remove copper, and H 2 O 2 was added. The main chemical composition of anode slime was analyzed by inductively coupled plasma (ICP), as shown in Table 1.NaClO 3 was taken as the chlorinating agent, H 2 SO 4 was taken as the leaching

Copper Electrorefining Process Anode Slime

Copper Electrorefining Process Anode Slime. We are a large-scale manufacturer specializing in producing various mining machines including different types of sand and gravel equipment, milling equipment, mineral processing equipment and building materials equipment. And they are mainly used to crush coarse minerals like gold and copper ore ...

slime from copper electrorefining process

Copper Anode Slime RecoveryCopper metalcess. Anode slime is a byproduct from copper or lead electrorefining process The copper/lead anode slime usually contain As, Sb, Bi and precious metals like gold and silver Smelter of anode slime is most likely divided into

Slime From Copper Electrorefining Process

Slime From Copper Electrorefining Process. Jan 01 1994nbsp018332This phase will be presented in the liquid phase L as droplets because of the small quantity of the impurities Fig 8a TH E ORIGIN OF COPPER ELECTROREFINING SLIME 3 5 5 Fig 8 A scheme for the formation of spherical slime particles in the process of anode copper solidification according to Fig 7b

EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND

Anode slime, a byproduct from the process of copper electrorefining into the copper cathode, contains several valuable elements that can be extracted after Cu and Pb separations. Another alternative route for extracting the precious metals is still needed in

Electrorefining of Copper

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 cathode during electrolysis, i.e. the electrode reactions are, at the anode: M → Mn+ + ne-and at the cathode: Mn+ + ne-→ M

US4002544A - Hydrometallurgical process for the recovery ...

A hydrometallurgical process for the recovery of silver, selenium and tellurium from the anode slime produced in the electrolytic refining of copper or lead or from other raw materials bearing these metals, wherein the raw material and concentrated sulfuric acid or oleum are heated at approx. 160°-300° C, preferably 160°-200° C, in order to sulfate the nickel and the possible copper.

anode slime from copper electrorefining process

Anode slime behaviour in a laboratory‐scale copper. Combining conventional electrochemical measurements, laser‐based visualization and digital image processing, the movement of anode slime, its spatial distribution and path of falling during the copper electrorefining process were investigated in a laboratory scale cell. Cited by: 5 Copper ...

Cost Of Copper Electrorefining Anode Slime Processing

Processing of copper electrorefining anode slime request . during electrorefining of copper, the tellurium is separated from copper hode forming anode slime with other valuable element such as ag, au, se and pt. the anode slime is then processed by pyrometallurgical route in reverberatory or topblowing rotary furnace using dore smelting process.

Why is impure copper used as an anode in Electrorefining ...

What is the weight of anode after Electrorefining process? The copper anode contains many soluble and insoluble impurities. During the electrorefining insoluble anode impurities, amounting about 3 to 5 kg/tonne of anode, fall to the bottom of the cell as slimes, which contain Cu, Ni, Se, Te, Ag, Au, platinum group metals (PGM) along with some amount of Fe, Pb, Ba, etc.

Copper Electrolysis Refining Plant, Purification of Copper ...

Dec 07, 2017 · 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.

A study of anodic slime behaviour in the electrorefining ...

Feb 01, 1995 · The kinetics of anode slime formation and propagation were studied in a laboratory-scale copper electrorefining apparatus. Laser-based illumination and digital image processing of videotaped records of slime movement, combined with current/time monitoring and polarization experiments, provide quantitative information about the complex interaction between characteristic parameters of the

Cost Of Copper Electrorefining Anode Slime Processing

The anode slime obtained from the copper electrorefining tank contains several valuable elements. The physico-chemical characteristics of the anode slime determines the processing route to recover these elements. The slime invariably contains Cu, Ni, Se, Te, Ag, Au amp Platinum group metals PGM. Anode Slime From Copper Electrorefining Process

anode slime from copper electrorefining process

Electrorefining Of Copper Process. 1872013 anode slime is the insoluble product deposited at the bottom of the electrorefining tank during electrorefining of coppert generally contains cu, ni, se, te, ag, au, platinum group metals pgm, pb, ba, fe, etcwing to the presence of valuable metals.

Effect of process variables on oxidative pressurized acid ...

The first step of the anode slime treatment process is decoppering, in which copper is typically removed from slimes by oxidative pressurized acid leaching [1-3].

anode slime from copper electrorefining process

Mar 18, 2021 · Electrorefining of Copper. 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 cathode during electrolysis, i.e. the electrode reactions are, at the anode: M → Mn+ + ne-and at the cathode: Mn+ + ne-→ M

Anode Slime From Pper Electrorefining Process

2013-7-18 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 (PGM), Pb, Ba, Fe, etc. Owing to the presence of valuable metals and metalloids in the anode slime, numerous approaches have been made by the. 4399

v116n12a9 Extraction of copper and gold from anode slime ...

recovery of copper and gold from anode slime by solvent extraction and leaching. This process has to be carried out at the optimum operating conditions, and also economically, for possible scale-up. 268542-1923$9,86!7$1 The copper anode slime of Sarcheshmeh Copper Complex was used in this study, and the reagents (sulphuric acid 88%,

Copper Electrorefining Plant Design & Configuration-Copper-

Copper electrorefining mainly produce LME Cu-CATH-1 copper cathode and byproduct anode slime from copper anode. Metalcess develops mini scale copper ER from 1T/d copper electrorefining system with modular design/easy installation, saving installation instruction cost and optimizing your return on investment.

Processing of copper electrorefining anode slime a review_文档

Processing of copper electrorefining anode slime a review. Mineral Processing and Extractive Metallurgy. Transactions of the Institutions of Mining and Metallurgy: Section C. Processing of copper electrorefining anode slime:a review. J. Hait, R. K. Jana & S. K. Sanyal.

CHARACTERIZATION OF ADHERENT ANODE SLIMES IN

The following subchapters present in more detail the copper electorefining process and different factors affecting the adherent anode slimes. 2.1 The electrorefining of copper In the electrorefining process, copper is dissolved electrochemically from the impure cop-per anode into the electrolyte and then electrodeposited as pure copper.

Copper Electrorefining Process Anode Slime

Copper Electrorefining Process Anode Slime. A new approach for the treatment of copper electrorefining anode slime based on hydrometallurgical route involving sulfuric acid leaching with additives such as manganese dioxide and sodium chloride has been developed at national metallurgical laboratory nml jamshedpur india mineralogical characterization of the anode slime and the residues

A Markovian analysis of the propagation kinetics of anode ...

Oct 01, 2006 · The propagation of anode slimes generated in laboratory-scale electro-refining cells is analyzed by means of Markov process theory, where experimental

Experimental Studies of the Effects of Anode Composition ...

Jun 30, 2016 · Copper electrorefining tests were conducted in a pilot-scale cell under commercial tankhouse environment to study the effects of anode compositions, current density, cathode blank width, and flow rate on anode slime behavior and cathode copper purity. Three different types of anodes (high, mid, and low impurity levels) were used in the tests and were analyzed under SEM/EDS. The

Figure 10 from Tellurium, from Copper Anode Slime to High ...

Tellurium is a rare metalloid that is vastly produced from copper anode slime, which is a by-product of the copper electrorefining process. Choosing the proper recovery method strongly depends on the slimes composition, mineralogy, and tellurium concentration.

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