copper electrorefining process anode slime

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Processing of copper electrorefining anode slime: a …

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 metalsPGMJ. Hait Metal Extraction and Forming Division National Metallurgical Laboratory Jamshedpur 831 007 CSIR India R. K. Jana Metal Extraction and Forming Division National Metallurgical

CHARACTERIZATION OF ADHERENT ANODE SLIMES IN COPPER ELECTROREFINING

& 0183;& 32;to examine the effects that anode composition and process parameters have on them. In the experimental section 31 adherent anode slime samples were examined with the help of moisture content determination settling tests particle size distribution measure-

Copper Anode Slime Processing Plant In Finland

Processing of copper electrorefining anode slime: a 2013-7-18 & 183; 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 metalsPGM

Effect of Chloride Electrolyte Additive on the Quality of …

1/1/2019& 0183;& 32;This is why it is very important to avoid anode slime entrapment and co-deposition of impurities in thehode during the electrorefining process. During anodic dissolution at the positive terminal of the circuit elements more noble that copper do not dissolve but are instead liberated from the anode as anode slime.

Processing of copper electrorefining anode slime Request …

1/12/2009& 0183;& 32;Anode slime is produced during the electrorefining of impure copper anodes to produce pure copperhodes. 26 27 The insoluble impurities of the copper …

EXTRACTION OF GOLD SILVER AND COPPER FROM THE COPPER …

& 0183;& 32;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

Behaviour of Anode Impurities in Copper Electrorefining

The behaviour of sulfur and oxygen in copper electrorefining has been investigated. The form of anode slime and the dissolution state of anode surface after electrolysis as well as the effect of dissolved oxygen in electrolyte have been revealed. It was clarified that the

EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD …

Anode slime a byproduct from the process of copper electrorefining into the copperhode 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 terms of

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

Structure and Casting Technology of Anodes in Copper Metallurgy

& 0183;& 32;Abstract Anode casting is the link between copper pyro- and hydrometallurgy. To achieve good electrorefining performance the anodes must have a certain chemical and physical quality. The latter is directly linked with the anode casting process. The aims of anode

electrorefining of copper 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

Treatment of Waste Copper Electrolytes Using Insoluble and …

& 0183;& 32;anode during the process of the electrorefining. Also the investigation of such anodes is of great importance because they could be obtained by the processing of copper and nickel scrap materials.

Electrowinning - Wikipedia

Electrorefining of copper was first demonstrated experimentally by Maximilian Duke of Leuchtenberg in 1847. James Elkington patented the commercial process in 1865 and opened the first successful plant in Pembrey Wales in 1870.

DEVELOPMENT OF CHARACTERIZATION METHODS FOR …

& 0183;& 32;Development of characterization methods for adherent anode slimes in copper electrorefining 299 Table 2. Correlation between anode and adherent anode slime compositions Ag 0.32 Bi -0.23 Pb 0.51 Ni 0.72 As 0.18 Te 0.58 Sb 0.16 Se 0.17 There is alsoCited by: 5

Electrorefining of Copper

& 0183;& 32;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 thehode during electrolysis i.e. the electrode

The Electrorefining and Winning of Copper: Proceedings …

Get Textbooks on Google Play Rent and save from the world's largest eBookstore. Read highlight and take notes across web tablet and phone. The Electrorefining and Winning of Copper: Proceedings of the Symposium Sponsored by TMS Copper Nickel Cobalt Precious Metals and Eletrolytic Processes Committees and Held at the TMS 116th Annual Meeting in Denver Colorado February 24-26 1987

Characterization of adherent anode slimes in copper …

The goals of the thesis were to produce information of the adherent anode slimes and to examine the effects that anode composition and process parameters have on them. In the experimental section 31 adherent anode slime samples were examined with the help of moisture content determination settling tests particle size distribution measurements chemical analysis x-ray diffraction and

Electrorefining Chemistry Tutorial

Electrorefining refers to the process of using electrolysis to increase the purity of a metal extracted from its oreso they are weaker reductants than copper and will not be oxidized at the anode. These will be found in the slime at the bottom of the tank. so

Anode Slime Gained During Electrolysis Process of Secondary Copper …

& 0183;& 32;process in order to yield the anode slime. Three types of secondary copper anodes are electro refined in an electrolytic system where the electrolyte is an acid of copper sulphate solution. As a result of the electro-refining process the anode slime has been

Mineralogical Characteristics of Copper Electrorefining …

2/4/2004& 0183;& 32;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 LaboratoryNMLJamshedpur India. Mineralogical characterization of the anode slime and the residues after various leaching treatments …

The treatment of copper refinery anode slimes SpringerLink

There are numerous viable approaches to the treatment of anode slimes from electrolytic copper refining. Of particular interest in the treatment of slimes are the behavior and recovery of selenium. The understanding of the process chemistry involved in the treatment of anode slimes should be aided considerably by recent work on the formation and characterization of slimes. Most promising is a

CHARACTERIZATION OF ADHERENT ANODE SLIMES IN COPPER …

& 0183;& 32;to examine the effects that anode composition and process parameters have on them. In the experimental section 31 adherent anode slime samples were examined with the help of moisture content determination settling tests particle size distribution measure-

Mineralogical Characteristics of Copper Electrorefining …

Anode slime emerging during the electro-refining phase in copper production is one of the economically pre-scrap wastes due to having the significant amount of valuable metalsAu Ag Cu Te Se

Experimental Studies of the Effects of Anode Composition …

Copper electrorefining tests were conducted in a pilot-scale cell under commercial tankhouse environment to study the effects of anode compositions current densityhode blank width and flow rate on anode slime behavior andhode copper purity. Three different types of anodeshigh mid and low impurity levelswere used in the tests and were analyzed under SEM/EDS. The harvested

Copper Refining Electrolyte and Slime Processing - …

Copper electro-refiningCu-ERis the principal method for producing >70% of high or 99.97% pure copperhodes from 97-99% pure blister/fire refined-scrap copper anodes. While the inert and most of less soluble impurities settle as anode slime/sludge other

Characteristics of anode slime obtained from secondary copper …

& 0183;& 32;Characteristics of anode slime obtained from second ary copper anodes with high Ni content R. Markovi 1 B. Friedrich 2 J. Stevanovi 3 B. Jugovi 4 M. Dimitrijevi 5 V. Gardi 1 Z.Stevanovi 1 1 Mining and Metallurgy Institute Bor Zeleni buleva r 35 19210 Bor Serbia

Development of characterization methods for adherent …

Adherent anode slimes can cause anode passivation in copper electrorefining and lower the efficiency of copper electrorefining. Declining concentrate grades cause larger impurity levels in anodes thus creating larger quantities of slimes in the refining process. In

Copper Anode Slime Processing Plant

Processing Of Copper Electrorefining Anode Slime Hait et al. 2002; Hait Jana and Sanyal 2009published a review of anode slime processing including anode slime leaching by sulfuric acid. Learn More Anode Slime From Copper Electrorefining Process

Mineralogical Characteristics of Copper Electrorefining …

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 LaboratoryNML

Copper Anode Slime Recovery-Copper- - Metalcess

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 i.e. pyrometallurgy and hydrometallurgy.

v116n12a9 Extraction of copper and gold from anode slime of Sarcheshmeh Copper …

& 0183;& 32;3657$*06473 During the electrorefining of copper some metals are accumulated in the byproduct anode slime which is an important source for recycling and recovery of these metalsPetkova 1994 . In this paper a hydrometal-lurgical route is described for the

PRESSURE LEACHING OF DECOPPERIZED COPPER …

& 0183;& 32;Pressure leaching of decopperized copper electrorefining anode slimes in strong acid… 467 leaching was conducted for two hours thereafter the autoclave was cooled down to the room temperature and the leach residue were removed for filtration and washing.

Processing of copper electrorefining anode slime: a review: …

18/7/2013& 0183;& 32;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 metalsPGMJ. Hait Metal Extraction and Forming Division National Metallurgical Laboratory Jamshedpur 831 007 CSIR India R. K. Jana Metal Extraction and Forming Division National Metallurgical Cited by: 71

LEACHING BEHAVIOR OF THE ANODE SLIME GENERATED BY THE ELECTROREFINING …

& 0183;& 32;anode slime obtained from the Sn-Cu-Ag anodes enriched in copper was examined directly and separately with either HCl or HNO 3 solutions. The results can be used to design the first and the second steps of the envisaged combined leaching 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 Cited by: 5

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