slime from copper electrorefining process
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Processing of Copper Anode - Know More
The hydrometallurgical processing of copper anode slimes has the advantages such as costs are relatively low when compared to those for a smelter, process may be applied to small and large ....
LEACHING BEHAVIOR OF THE ANODE SLIME GENERATED BY , - Know More
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 2 EXPERIMENTAL PROCEDURE...
A study of anodic slime behaviour in the electrorefining , - Know More
A study of anodic slime behaviour in the electrorefining of copper A study of anodic slime behaviour in the electrorefining of copper Gu, ZH Chen, J Fahidy, TZ 1995-02-01 00 00 00 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 ....
copper electrorefining process anode slime - Know More
copper electrorefining process anode slime Processing of copper electrorefining anode slime Request PDF During copper electro-refining process, cathode copper is obtained, and the insoluble impurities such as gold, silver, lead, tin, and antimony are deposited on anode, known as anode slime ,...
PROCESSING OF COPPER ANODE - Know More
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...
A Comparative Study of Electrolyte Flow and Slime Particle , - Know More
Aug 25, 2016 0183 32 An innovative copper electrolytic cell was designed with its inlet at the cell top and its outlet near the cell bottom, in opposite to conventional electrolytic cells It was modeled in COMSOL Multiphysics to simulate copper electrorefining process Unlike conventional electrorefining cells, downward electrolyte flows are more dominant in the fluid flow field in this cell, which leads to ....
Copper Electrolysis Refining Plant, Purification of Copper , - Know More
The purification of copper is a form of recycling Copper is purified further using electrolysis and we call it Copper Electrorefining electrolytic refining In industry this is carried out on a massive scale The electrolytic copper production is processed in the huge copper electrolytic tank fulfilled with copper electrolytic solution...
Some Studies on Sulfuric Acid Leaching of Anode Slime with , - Know More
The most effective hydrometallurgical processing of anode slime is based on a chlorination route However, it requires special attention with respect to pollution problems and construction materials To minimize the problems, a new hydrometallurgical approach was pursued for the recovery of valuable metals and metalloids from copper electrorefining anode slime The process involved the ....
The treatment of copper refinery anode slimes SpringerLink - Know More
Aug 01, 1990 0183 32 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 slim Most promising ,...
Copper electrowinning theoretical and practical design - Know More
COPPER ELECTROWINNING THEORETICAL AND PRACTICAL DESIGN 213 Introduction The electrowinning of copper ions derived from leaching, or solvent extraction is a significant contributor to the global copper commodity supply The process of electrolysis for copper was first developed in the late 19th century and despite numerous advancements in ....
PRESSURE LEACHING OF DECOPPERIZED COPPER , - Know More
Pressure leaching of decopperized copper electrorefining anode slimes in strong acid , As the mass of slime decreases during the leaching process due to the dissolution of soluble elements into the solution, the mass of the residue can be determined by comparing the concentration of insoluble elements...
DEVELOPMENT OF CHARACTERIZATION METHODS FOR , - Know More
efficiency of copper electrorefining Declining concentrate grades cause larger impurity levels in anodes, thus creating larger quantities of slimes in the refining process In order to investigate the characterization methods for adherent anode slimes in copper electrorefining, experiments were conducted for the Boliden...
Electrorefining Copper - Know More
This report discusses Electrorefining Copper research conducted to increase the rate, deposit purity, and overall efficiency in industrial processes used to electrodeposit and purify metals by increasing substantially the operating current density range and optimizing the deposition processTraditionally, copper refineries operate electrolytic cells at a current density of 20 amp/ft²...
Electrolytic Refining - Know More
Electro-refining Usually the object of electrolytic refining is to separate one metal in pure form from an alloy containing a high percentage of the desired metal, copper for instance, and a number of other metals dissolved in the copper or intimately mixed with it...
Case Study of emew Silver Process versus Conventional , - Know More
A precious metals refinery treats 500 kilograms per day of silver 5 million oz/a using conventional Moebius electrorefining cells The existing cells are nearing the end of their usable life, and the refinery manager is deciding between upgrading to a new electrorefining system, or the emew silver process...
Microscopic examination of copper electrorefining slimes , - Know More
Microscopic examination of copper electrorefining slim HydrometaUurgy, 24 351-359 Anodic and floating slimes from the copper electrorefining process were investigated by a mi- croscopic method, supplemented with X-ray diffraction and sedimentation analyses data The specific gravities and granulometric compositions of the slimes were ....
The effect of electrolyte additives on cathode surface , - Know More
It gives a dense copper deposit and provides a salmon pink colour to the cathod If an excessive amount is added, deep prominent striations will form and entrapment of sulphur with slimes will occur Goffman et al1985 Thiourea has been extensively used as a grain refiner in industrial copper electrorefining processes Muresan et al 1999...
ELECTROREFINING OF GOLD PDF - Know More
Nov 28, 2019 0183 32 Electrowinning, also called electroextraction, is the electrodeposition of metals from their ores The most common electrowon metals are lead, copper, gold, silver, zinc, aluminium, chromium, cobalt, manganese, and the rare-earth and alkali Electro-refining is the preferred method as an electrolytic process for gold and other precious metals...
Precious Metal Recovery from Anode Slime - Know More
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, ie pyrometallurgy and ....
What is ElectroRefining - Know More
Electrorefining is a process in which a metal is extracted from its ore through the process of electro-deposition In Electrorefining, the impure metal is taken as the anode while the pure metal is the cathode For instance, impure copper is taken as the anode while pure copper is the cathode...
AN IMPROVED PROCESS FOR EXTRACTION OF COPPER, , - Know More
This invention is particularly relates to an improved leaching process of anode slime of copper electrorefining plant in sulphuric acid medium for extraction of valuable metals like copper, selenium, tellurium and gold Anode slime is the insoluble product deposited at the bottom of the electrorefining tank during the electrorefining of copper...
Tellurium extraction from copper electrorefining slimes , - Know More
Aug 17, 1999 0183 32 The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slim The method comprises maintaining a molar ratio Ag/Se, Ag/S or Ag/Se S at a value of about 2 or less in ,...
copper electrorefining process anode slime - Know More
electrorefining of silver process icas2017conference Effect of thermal treatment of copper anodes on electrorefining process Thermal treatment of copper anodes has a good effect on the specific energy required for the electrorefining process where it is about This copper powder can moreover cause cementation of the more noble metals like Ag and forms cemented silver powder in slime ,...
Processing of copper electrorefining anode slime a review , - Know More
AbstractAnode 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 following pyro-, pyrohydro ....
Effect of process variables on oxidative pressurized acid , - Know More
Effect of process variables on oxidative pressurized acid leaching of copper electrorefining anode slimes Sipi Seisko1,a, Jari Aromaa1, Petri Latostenmaa2, Olof Forsen1, and Mari Lundstrom1 1Aalto University, Department of Materials Science and Engineering, Vuorimiehentie 2, 02150 Espoo, Finland 2Boliden Harjavalta Oy, Teollisuuskatu 1, 29200 Harjavalta, Finland...
Electrorefining Of Copper Process - Know More
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...
Processing of copper electrorefining anode slime Request PDF - Know More
During copper electro-refining process, cathode copper is obtained, and the insoluble impurities such as gold, silver, lead, tin, and antimony are deposited on anode, known as anode slime Ghodrat ....
EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND , - Know More
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 ,...
Processing of copper electrorefining anode slime a review , - Know More
Jul 18, 2013 0183 32 Processing of copper electrorefining anode slime a review J Hait Metal Extraction and Forming Division National Metallurgical Laboratory, Jamshedpur 831 007, CSIR, India, R K Jana Metal Extraction and Forming Division National Metallurgical Laboratory, Jamshedpur 831 007, CSIR, India S K al Jadavpur University Kolkata 700 032, India...
Mineralogical Characteristics of Copper Electrorefining , - Know More
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 after various leaching treatments, carried out ....