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Barytes Separation From Anode Slimes :

Metal values separation from residue generated in alkali ...

2016-10-1  1. Introduction. Copper anode slime, a by-product collected from the bottom of the electrolytic cells during the refining of copper, is abundant in valuable metals like Cu, Pb, Sb, Sn Se, Te, Au, Ag and PGMs (Kilic et al., 2013).Numerous viable approaches have been developed to treat anode slimes including sulfation roasting-leaching, acid pressure oxidative leaching, oxidation roasting ...

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(PDF) Gold Recovery from Copper Anode Slime By Means

Tin anode slime is a by-product of the tin electrolytic refining process. This study investigated a route to separate Sn, Sb, Bi, and Cu from tin anode slime after leaching with hydrochloric acid.

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Palabora Mining Company Ltd

2021-7-6  Anode slimes product is a by-product of the electro-refining process and consists of the insoluble impurities from the anode that fall to the bottom of the refining cell. The anode slimes are recovered from the refining cells, are dried in an oven and processed by a metals by-product plant. The principle insoluble impurities are Silver (Ag ...

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v116n12a9 Extraction of copper and gold from anode

2016-12-14  Copper anode slime is black or gray powder with a particle size less than 200 mesh. Approximately 2 to 20 kg of anode slime is produced per ton of copper cathode. The slime is characterized by higher amount of Ag, Se, Pb, and Cu compared to other metals and a very low Au content (Khaleghi and Ghader, 2013).The copper anode slimes are

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Tellurium, from Copper Anode Slime to High Purity

2020-10-6  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. In addition, correctly selecting the right method of leaching, purification, and precipitation in economic and environmental processing ...

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(PDF) Extraction of copper and gold from anode slime of ...

The raw anode slimes from the copper refinery of the CCR Division of Noranda Minerals Inc. consist principally of AgCuSe, (Ag,Cu)2Se, PbSO4, BaSO4, CuSO45H2O and

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Anode Slime Gained During Electrolysis Process of ...

2021-8-3  secondary products generate the anode slime. Anode slimes are collected from the bottom of the electrolytic cells during the refining of copper [5]. The anode slime is the unsoluble portion of the anode and as fine material falls to the bottom of the cell. These slimes contain significant quantities of gold and silver as well ...

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Total Recovery of All Constituent Metals from Copper

2020-5-2  Abstract Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals viz., Au, Ag, Pt and Pd, in addition to being the main source of rare/energy-critical elements such as Se and Te. There have been various approaches aiming at the development of extraction processes involving thermal and aqueous ...

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Tellurium extraction from copper electrorefining slimes ...

1998-7-27  Such electrorefining produces slimes that precipitate at the bottom of the electrorefining cell, and can be removed from the electrolyte through conventional liquid/solid separation. The slimes contain precious metals, like gold, silver, platinum, etc. originally in the anode

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Process for separating selenium and telurium from each ...

The use of higher temperatures speeds up the process and results in a substantially clean separation which is ordinarily desired. THE DRAWING. In the accompanying drawing, which exemplifies the best mode presently contemplated for carrying out the invention, the single figure is a flow sheet showing the process as applied to copper anode slimes.

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Metal values separation from residue generated in alkali ...

2016-10-1  1. Introduction. Copper anode slime, a by-product collected from the bottom of the electrolytic cells during the refining of copper, is abundant in valuable metals like Cu, Pb, Sb, Sn Se, Te, Au, Ag and PGMs (Kilic et al., 2013).Numerous viable approaches have been developed to treat anode slimes including sulfation roasting-leaching, acid pressure oxidative leaching, oxidation roasting ...

More

Recovering gold from anode slimes using a green

Anode slime also contains large amounts of residual copper, which greatly exceed the amount of gold in the material. Hence, a powerful separation technique is required to selectively recover the economically valuable gold. Chloride leaching of anode slimes is generally considered as being the preferred method of gold extraction from anode slimes.

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Anode Slime Gained During Electrolysis Process of ...

2021-8-3  secondary products generate the anode slime. Anode slimes are collected from the bottom of the electrolytic cells during the refining of copper [5]. The anode slime is the unsoluble portion of the anode and as fine material falls to the bottom of the cell. These slimes contain significant quantities of gold and silver as well ...

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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

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v116n12a9 Extraction of copper and gold from anode

2016-12-14  Copper anode slime is black or gray powder with a particle size less than 200 mesh. Approximately 2 to 20 kg of anode slime is produced per ton of copper cathode. The slime is characterized by higher amount of Ag, Se, Pb, and Cu compared to other metals and a very low Au content (Khaleghi and Ghader, 2013).The copper anode slimes are

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Removal of Arsenic and Antimony from Anode Slime by

2019-12-12  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. Therefore, vacuum

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Extraction of platinum and gold from copper anode

2020-8-24  on the different composition and mineralogy in anode slimes, numerous approaches have been made to utilize it following the processes of pyro-, pyrohydro-, hydropyro-, and hydrometallurgical methods[12-16]. These processes can be divided into in two steps of the separation and recovery of non-ferrous metals first and then the recovery of target ...

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Total Recovery of All Constituent Metals from Copper

2020-5-2  Abstract Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals viz., Au, Ag, Pt and Pd, in addition to being the main source of rare/energy-critical elements such as Se and Te. There have been various approaches aiming at the development of extraction processes involving thermal and aqueous ...

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US5271909A - Method of tellurium separation from

A method of increasing the extraction of tellurium from copper electrorefining slime comprises leaching the slime with dilute sulphuric acid in a reactor under a partial oxygen pressure of up to 150 psi and at an elevated temperature between about 100° and 200° C. until copper, nickel and substantially all of the tellurium is dissolved, thereby forming a leach slurry, and contacting the ...

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Method for the selective extraction of platinum group ...

In addition, the technical result is the ability to fully automate the process, except pyrometallurgical stages and, as a consequence, the exclusion of expensive gas cleaning systems, dust collection, drains fluids, etc., the Method of extracting platinum group metals from copper and Nickel anode slimes includes the dissolution of anode sludge ...

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Recovering gold from anode slimes using a green

Anode slime also contains large amounts of residual copper, which greatly exceed the amount of gold in the material. Hence, a powerful separation technique is required to selectively recover the economically valuable gold. Chloride leaching of anode slimes is generally considered as being the preferred method of gold extraction from anode slimes.

More

Recovering gold from anode slimes using a green

Anode slime also contains large amounts of residual copper, which greatly exceed the amount of gold in the material. Hence, a powerful separation technique is required to selectively recover the economically valuable gold. Chloride leaching of anode slimes is generally considered as being the preferred method of gold extraction from anode slimes.

More

Extraction of platinum and gold from copper anode

2020-8-24  on the different composition and mineralogy in anode slimes, numerous approaches have been made to utilize it following the processes of pyro-, pyrohydro-, hydropyro-, and hydrometallurgical methods[12-16]. These processes can be divided into in two steps of the separation and recovery of non-ferrous metals first and then the recovery of target ...

More

A Novel Process For Recovery Of Te And Se From Copper ...

2013-12-24  settle to the bottom of the electrolytic cells. Anode slimes almost invariably contain copper, tellurium, selenium, silver, gold and traces of platinum group metals. In order to recover the precious metals from slimes, refineries must first complete the separation of copper, tellurium and selenium prior to refining silver and gold to pure products.

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Solvent Extraction of Gold(III) with Diethyl Carbonate

2020-6-1  applied to the recovery of gold from anode slimes, including sulfuric acid leaching, with or without pretreatment by alkali pressure oxidation,33,34 thiosulfate leaching,13 and leaching with ionic liquids.35,36 In this paper, diethyl carbonate (DEC) is applied as an extractant for the separation

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Removal of Arsenic and Antimony from Anode Slime by

2019-12-12  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. Therefore, vacuum

More

Copper Refining Electrolyte and Slime Processing ...

Copper electro-refining (Cu-ER) is the principal method for producing >70% of high or 99.97% pure copper cathodes 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 soluble impurities, particularly the metalloids (group VA/15 elements or Q: As, Sb and Bi) and some transition metals (Mt) co-dissolved ...

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A simple method for the recovery of selenium from

2021-8-7  Copper anode slimes are containing varying precious metals, such as: gold, silver, selenium and tellurium. They are being extracted as a by-product in the production process. Arsenic and antimony that present in anode slimes dissolved in 0.4 M KOH. Then, the alkaline roasting of anode slimes in the presence of Na 2 CO 3 solubilized selenium.

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Metallurgical Process for Total Recovery of All ...

Abstract Copper anode slimes, the by-product of the copper electrorefining process, have been the subject of extensive investigation for recovering precious metals viz., Au, Ag, Pt and Pd, in addition to being the main source of rare/energy-critical elements such as Se and Te. There have been various approaches aiming at the development of extraction processes involving thermal and aqueous ...

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FOD Ltd. - REFERENCES

2012-7-15  - Grinding and separation- Copper and pyrite flotation- Magnetic separation of magnetite- Magnetite flotation- Molybdenum flotation- Filtration of copper, pyrite and magnetite- Water-supply with steel pipeline, 218,000 m, 500-600 mm, 350 mm

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