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Barytes Separation From Anode Slimes
Chat Onlinev116n12a9 Extraction of copper and gold from anode slime
silver separating residues of the copper anode slime. Sodium thiosulphate was subjected to mixing and ball milling, and the ball-milled material and a solvent were treated in a hydrothermal reaction still. The product solution was filtered and thiourea dioxide reductant was added to produce coarse gold and silver powders . Ranjbar et al. (2014) studied the recovery of gold from copper anode
Get PriceEXTRACTING SILVER FROM ANODE SLIME AFTER
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 terms of gaining more economical route. This research aims to seek the new route to
Get PriceEXTRACTION OF GOLD, SILVER AND COPPER FROM THE COPPER
COPPER ELECTROREFINING ANODE SLIME: SEPARATION OF THE METALS. Gabrielle N. Bard1 and Luis G. S. Sobral1 1Centre for Mineral Technology-CETEM 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
Get PriceThe treatment of copper refinery anode slimes |
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.
Get PriceA Review on the Recovery of Noble Metals from
Pretreatments have been employed to enrich the noble metals by removing base metals from the anode slimes. The enriched residues are dissolved in diverse aqueous systems such as cyanide, thiosulfate, thiourea, and halide in the presence/absence of oxidizing agents.
Get PriceDEVELOPMENT OF CHARACTERIZATION METHODS FOR
Anode slimes can be classified as adherent, bottom and floating slimes based on their location. These are further divided to primary and secondary slimes based on their formation mechanism (Wang et al., 2011). 296 M. Kiviluoma, M. Aaltonen, J. Aromaa, M. Lundstrom, O. Forsen The impurity elements in electrorefining report to either slimes or electrolyte. The major elements reporting to
Get PricePretreatment of tin anode slime using alkaline
01.03.2017· Tin anode slime, as a byproduct, is produced from electrolytic refining process of crude tin and contains many valuable metals, such as Sn, Pb, Sb, As, Cu, Bi, Ag, Au, and In, which are in the form of insoluble phases and finally precipitate in the bottom of refining tanks. It is economically attractive and is regarded as one of the important materials for the extraction of precious metals
Get PriceProcess for the Recovery of Gold from Anode
25.01.2018· Anode slimes are de-copperized (not shown) and the de-copperized anode slimes are then subjected to wet chlorination (not shown) Separation zone 80 is equipped with aqueous phase outlet 85 which is in fluid communication with aqueous compartment 83 by pipe 86a, inlet 86b and standpipe 86c. Aqueous compartment 83 is also equipped with standpipe 89 (FIG. 5C) which is in
Get PriceUS4283224A - Separative treatment of anode
A hydrometallurgical process is provided for the separative treatment of electrometallurgical anode slime containing precious metals and substantial amounts of tin dioxide and lead sulfate. The process is especially suited for treatment of anode slimes from the electrorefining of secondary copper to recover about 85% of the metal value contained therein, especially tin and precious metals.
Get PriceAnode Slimes | Konkola Copper Mines Plc
Anode Slimes. One of the by-products of KCM's refining operations at Nkana is anode slimes. This material is exported under long term contracts to third parties for the recovery of the contained minerals. During the electrolysis process pure copper is deposited on cathode plates and impurities which are soluble fall to the bottom of the cell as anode slimes or sludge. Precious metals (Ag, Pt
Get PriceMethod for the selective extraction of platinum
The concentrate is directed to the separation and refining. The disadvantages of this method are its complexity, multiple, low degree of extraction of metals, and the need for subsequent separation of the metals. The method for extracting metals, including the dissolution of anode sludge in acid and electrolytic selection of the metal from the solution obtained (fundamentals of metallurgy, T
Get PriceEXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND GOLD
Anode slime, a byproduct from the process of electrorefiningcopper 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 stillneed ed in terms of gaining more economical route. This research aims to seek the new route to extract the precious metals, especially silver from
Get PriceAg recovery from copper anode slime by acid
01.03.2014· Extraction of gold, silver and copper from the copper electrorefining anode slime: separation of the metals. In: Global symposium on recycling, waste treatment and clean technology. Rewas, 2008. p. 141–148. Google Scholar. A.M. AmerProcessing of copper anodic-slimes for extraction of valuable metals. Waste Manage, 23 (2003), pp. 763-770 . Google Scholar. M.I. JeffreyKinetic
Get PriceRemoval of Arsenic and Antimony from Anode
29.03.2011· Anode slime is an important material of recycling precious metals. Up to now, treating the arsenic- and antimony-rich anode slime by conventional processes has the following problems: its economic and environmental effect is less than satisfactory, and the removal effect of arsenic and antimony from anode slime in present processes is not all that could be desired.
Get PriceThe treatment of copper refinery anode slimes |
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.
Get PriceRecovery of Gold and Silver from Copper Anode
This study has shown that gold and silver can be recovered from a complex anode slime containing copper, selenium, and tellurium, but a carefully planned leaching procedure is required. To extract the gold with thiourea, it is necessary to first remove the copper, selenium, tellurium, and most of the silver from the mixture. Once these elements are removed, the gold and most of the remaining
Get PriceChapter - L HYDROMETALLURGY & SOLUTION MINING
Recovery of gold from copper anode slimes is a multi-stages process; at first stage selenium and copper were separated from anode slime. Then, anode slime was roasted Table 1. The chemical composition of anode slim Chemical composition Weight.% Au 0.106 SeO 2 16.1 CuO 5.90 Fe 2O 3 0.19 BaO 37.1 SO 3 22.1 PbO 2.80 Ag 2O 5.80 As 2O 3 0.88
Get Price(PDF) Gold Recovery from Copper Anode Slime
It is expected that further work regarding metal recovery from copper anode slimes would objectively shorten the number of stages for the pretreatment as well as metal separation from leach solutions.
Get PriceAg recovery from copper anode slime by acid
01.03.2014· Extraction of gold, silver and copper from the copper electrorefining anode slime: separation of the metals. In: Global symposium on recycling, waste treatment and clean technology. Rewas, 2008. p. 141–148. Google Scholar. A.M. AmerProcessing of copper anodic-slimes for extraction of valuable metals. Waste Manage, 23 (2003), pp. 763-770 . Google Scholar. M.I. JeffreyKinetic
Get PricePretreatment of tin anode slime using alkaline
01.03.2017· Tin anode slime, as a byproduct, is produced from electrolytic refining process of crude tin and contains many valuable metals, such as Sn, Pb, Sb, As, Cu, Bi, Ag, Au, and In, which are in the form of insoluble phases and finally precipitate in the bottom of refining tanks. It is economically attractive and is regarded as one of the important materials for the extraction of precious metals
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