recovery of gold and silver from copper anode slime

Recovery of Gold and Silver from Copper Anode Slime

Jan 11, 2017This 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

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Recovery of Silver and Gold from Copper Anode Slimes

Sep 11, 2014Copper anode slimes, produced from copper electrolytic refining, are important industrial by products containing several valuable metals, particularly silver and gold. This article provides a comprehensive overview of the development of the extraction processes for recovering silver and gold from conventional copper anode slimes.

Lee mas

Recovery of Gold and Silver from Copper Anode Slime

Download Citation on ResearchGate Recovery of Gold and Silver from Copper Anode Slime This study has shown that gold and silver can be recovered from a complex anode slime containing copper

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Recovery of Silver and Gold from Copper Anode Slimes

Anode slime AS including high content of precious metals is a by product obtained after the electro refining stage in copper production. In this study, it is aimed to recover Cu, Au, and Ag from

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Copper Anode Slime Recovery Copper metalcess.com

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.

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The treatment of copper refinery anode slimes SpringerLink

W.C. Cooper, “A Review of Processes for the Treatment of Copper Refinery Anode Slimes with Particular Reference to Selenium Behaviour and Recovery,” final report on project no. 169/02/87, Energy, Mines and Resources Canada, CANMET, Ottawa, Canada K1A 0G1 August 1989.

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Gold recovery from copper anode slime by means of

Leaching of gold in the copper anode slime is affected by some elements such as silver, iron, and selenium. Therefore, copper anode slime was first washed by concentrated nitric acid 65. 10 ml of concentrated nitric acid was added to 5 g of copper anode slime, and the obtained mixture was then stirred for 15 min.

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EXTRACTION OF GOLD, SILVER AND COPPER FROM THE

process of those concentrate all gold and silver are practically in the blister copper, which is cast into anodes. Those copper anodes are electrorefined in an electrolytic system, where the electrolyte is an acid copper sulphate solution, where a high purity electrolytic copper is produced 999,9/1000. The slime when submitted to an

Lee mas

Recovery of Gold and Silver from Copper Anode Slime

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

Lee mas

Anode Slimes — Reclaim, Recycle, and Sell your Precious

You can send us the following anode slimes scrap to be refined and recycled: Materials that are by products of copper refining and smelting. Anode Slimes usually contain high concentrations of silver, as well as gold, platinum, palladium and possibly rhodium See the other forms of silver

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Gold silver Recovery from WEEE/ PCB and Anode slime Top

Jan 20, 2018Gold silver Recovery from WEEE/ PCB and Anode slime Top Blown Rotary Converter TBRC rare metal from anode slime, copper scrap, WEEE/PCB and gold silver refining ash. to recover gold

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Precious Metal Recovery from Anode Slime Slag/Dross Recovery

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.

Lee mas

Anode Slimes Konkola Copper Mines Plc

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, Pd, can be extracted from the anode sludge created by the electro refining process. Copper concentrates can also contain precious metals like gold and silver.

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Recovery of Silver and Gold from Copper Anode Slimes

Abstract Copper anode slimes, produced from copper electrolytic refining, are important industrial by products containing several valuable metals, particularly silver and gold. This article provides a comprehensive overview of the development of the extraction processes for recovering silver and gold from conventional copper anode slimes.

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An environmentally friendly process to selectively recover

Jun 20, 20181. Introduction. Copper anode slime is the byproduct of electro refining of copper, which often contains precious metals and is a valuable secondary resource for recovering valuable products, such as silver, from it Ding et al., 2017, Wang et al., 2017, Yldrm et al., 2014.The predominant method for silver recovery from anode slime is pyrometallurgy, which usually involves a series of high

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PROCESSING OF COPPER ANODE SLIMES FOR

Processing of copper anode slimes for extraction of metal values 127 Forty gram samples of the decopperised slime were leached with 1 dm3 of solution containing different amounts of acidified thiourea and ferric ion as oxidant.

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EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND GOLD

extracting silver from anode slime after lead and gold separations 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.

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Precious Metals Plant Outotec

The Outotec Precious Metals Plant is based on over 30 years of experience in anode slime treatment. The recovery and refining processes are highly automated, offering a safe working environment and zero toxic gas emissions. Enables high recovery of valuable metals Ensures high quality products 99.99 for gold and silver

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Hindustan Copper Limited

PHYSICAL SPECIFICATIONS. ICC Copper anode slime. Colour Black. Size Powdery material

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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,

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EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND GOLD

extracting silver from anode slime after lead and gold separations 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.

Lee mas

Precious Metals Plant Outotec

The Outotec Precious Metals Plant is based on over 30 years of experience in anode slime treatment. The recovery and refining processes are highly automated, offering a safe working environment and zero toxic gas emissions. Enables high recovery of valuable metals Ensures high quality products 99.99 for gold and silver

Lee mas

Hindustan Copper Limited

PHYSICAL SPECIFICATIONS. ICC Copper anode slime. Colour Black. Size Powdery material

Lee mas

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,

Lee mas

Process for the Recovery of Gold from Anode Slimes

Apr 24, 2014A process for the recovery of gold from a gold bearing aqueous filtrate, The other elements in the copper anode precipitate to the bottom of the tank and form “anode slimes”. Among the components of the anode slimes are such valuable metals as gold and silver and over the years, much effort has been directed to their recovery.

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Smelting and Gold Refining Part 3: Smelting the anode

Nov 23, 2015This is the third and final installment of our smelting and gold refining series. In this last video we smelt the dried anode slimes and recover a button of precious metals.

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EFFECT OF OXIDIZING AGENTS IN EXTRACTING GOLD FROM ANODE SLIME

Processing of copper anodic slimes for extraction of valuable metals, Physicochemical Problems of Mineral Processing, 36, p. 123 134. Bard, Gabrielle and Sobral, 2008. Extraction of gold, silver and copper from the copper electrorefining anode slime separation of the metals, Global Symposium on Recycling, Waste Treatment and Clean Technology.

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cost of anode slime processing plant kansenvooroeganda.nl

Enhanced selective recovery of selenium from anode slime cost of anode slime processing plant ,The cost benefit analysis of the proposed process manifested that the profit of processing 1 t of anode slime was $ 82, and the sensitivity analysis showed that the price of Cu2Se and the Se cost of copper ore processing plant acherishedbirth.com cost of copper ore processing plant

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Steffen FULL from anode slime to dore part1.ppt LBMA

copper containing residues Silver ca. 1000 t and Gold ca. 30 t from PM containing slimes, sweep and fines, computer scrap and PM alloys. Anode slime product from electrolytic refining of copper cathodes, is one of the most important source for precious metals production. At Aurubis anode slimes are treated in a modern Boliden top

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US4293332A Hydrometallurgical process for recovering

A hydrometallurgical process for recovering precious metals, such as gold, silver, selenium, and tellurium etc. from anode slime has been developed and tested successfully. The process comprises three major unit operations: leaching, liquid liquid extraction, and reduction. The decopperized anode slime is first leached with nitric acid at an elevated temperature to obtain a leach solution

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A Study on Recovery of Gold from Decopperized Anode Slime

The gold from decopperized anode slime first was dissolved with chlorine gas in aqueous medium, later the dissolved gold was precipitated by using a rotational copper disc. The effects of reaction temperature, reaction period, stirring speed, solid‐liquid ratio and Cl 2 gas flow rate on the dissolution of gold were investigated.

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for recovery Hydrometallurgical [email protected]

The anode slime obtained from Indian Copper Complex, Ghatsila was used for the recovery studies with the aim of developing a hydrometal lurgical processing route. The chemical analysis of the slime showed that it contained valuable metals like copper, nickel, selenium, tellurium, gold, silver and platinum group metals.

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PROCESS FOR EXTRACTING NOBLE METALS FROM ANODE SLIME

May 25, 2017The results show that in the process for extracting noble metals from anode slime provided according to the present invention, the direct recovery rate of gold is ≧92, the direct recovery rate of silver is ≧92, the recovery rate of gold is ≧99.5 and the recovery rate of silver

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copper anode slime processing plant hospetsteels.in

Patent US20110083531 Selective gold extraction from copper Apr 14, 2011 Selective gold extraction from copper anode slime with an alcohol . the opportunity of separating silver and gold early in the processing, ..

Lee mas

PROCESS FOR EXTRACTING NOBLE METALS FROM ANODE SLIME

May 25, 2017The results show that in the process for extracting noble metals from anode slime provided according to the present invention, the direct recovery rate of gold is ≧92, the direct recovery rate of silver is ≧92, the recovery rate of gold is ≧99.5 and the recovery rate of silver

Lee mas

Steffen FULL from anode slime to dore part1.ppt LBMA

copper containing residues Silver ca. 1000 t and Gold ca. 30 t from PM containing slimes, sweep and fines, computer scrap and PM alloys. Anode slime product from electrolytic refining of copper cathodes, is one of the most important source for precious metals production. At Aurubis anode slimes are treated in a modern Boliden top

Lee mas

A Study on Recovery of Gold from Decopperized Anode Slime

The gold from decopperized anode slime first was dissolved with chlorine gas in aqueous medium, later the dissolved gold was precipitated by using a rotational copper disc. The effects of reaction temperature, reaction period, stirring speed, solid‐liquid ratio and Cl 2 gas flow rate on the dissolution of gold were investigated.

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Chapter 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

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copper anode sludge:recovery of precious metals, market

Copper concentrates often contain precious metals like Au and Ag. Recovery of these metals from anode slime is economically attractive and also it is environmentally friendly Temperature plays a critical role on dissolution of gold from copper anode slime Recovery of gold from copper anode slimes is a multi stages process

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TREATMENT OF WASTEWATER OBTAINED IN PROCESS FOR

metals on a sample of 100 kg of deselenized anode slime were carried out in the work section for production of precious metals. Acid wastewater is obtained during leaching process of deselenized anode slime for the aim of silver, gold, platinum and palladium recovery. Content of some elements in acid wastewater is: 0.5 10 Cu,

Lee mas

Selenium Recovery in Precious Metal Technology DiVA

Selenium is mostly extracted from copper anode slimes because the selenium rich ores are too rare to be mined with profit. When copper anode slimes are processed in a precious metal plant the first step is to remove copper by pressure leach in an autoclave. The anode slime is

Lee mas

copper anode slime processing plant hospetsteels.in

Patent US20110083531 Selective gold extraction from copper Apr 14, 2011 Selective gold extraction from copper anode slime with an alcohol . the opportunity of separating silver and gold early in the processing, ..

Lee mas

An investigation of copper and selenium recovery from

Nov 14, 2013Read An investigation of copper and selenium recovery from copper anode slimes, International Journal of Mineral Processing on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Lee mas

Electrowinning For Gold Mining Blogger

Electrowinning For Gold Mining. Metals most often processed in electrowinning techniques are copper, gold, and silver. Most metals occur in nature in the form of oxidized ore and thus should be reduced to form a pure metal. where they form a substance called the anode anode mud or slime.

Lee mas

A Novel Process For Recovery Of Te And Se From Copper

A Novel Process For Recovery Of Te And Se From Copper Slimes Autoclave Leach Solution Shijie Wang, Brad Wesstrom and Jean Fernandez Phelps Dodge Mining Company El Paso Operations 850 Hawkins Blvd., El Paso, TX 79915 In pressure oxidation leaching of copper anode slimes, more than 65 of the tellurium is co extracted during decopperizing.

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Electrolytic Refining Mineral Processing Metallurgy

Silver and gold are commonly refined electrolytically—a neutral silver nitrate solution is the electrolyte for silver refining, and gold chloride solution for gold refining. Precious Metals. The anodes used in refining base metals — nickel, copper, lead—by electrolysis usually contain gold, silver, platinum, palladium, etc., as well as

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barytes separation from anode slimes riversidevets.co.za

Copper Anode Slime Metalcess. Anode slime is a byproduct of copper or lead electrorefining process and found in electrolytic cell bottom or on the anode scrap surface. The copper anode slime and lead anode slime usually contain precious metals like gold and silver. Read More

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Electrowinning

Electrowinning is the oldest industrial electrolytic process. copper, gold, silver, zinc, aluminium, chromium, cobalt, where they form a substance referred to as anode sludge or anode slime. The metals in this sludge can be removed by standard pyrorefining methods.

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