recovery of gold and silver from copper anode slime

  • 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.

  • Recovery of Silver and Gold from Copper Anode Slimes

    Recovery of Silver and Gold from Copper Anode Slimes Article in JOM: the journal of the Minerals, Metals & Materials Society 67(2):493-502 · February 2014 with 276 Reads How we measure 'reads'

  • Recovery of Gold and Silver from Copper Anode Slime

    Apr 27, 2007· 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

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  • Precious Metal Recovery from Anode Slime-Slag/Dross Recovery-

    Precious Metal Recovery from Anode Slime 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.

  • Copper Anode Slime Recovery-Copper- Metalcess

    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.

  • Comprehensive recoveries of selenium, copper, gold, silver

    A clean hydrometallurgical process has been developed to efficiently and economically recover selenium, copper, gold, silver and lead from a copper anode slime. The mixture of H 2 SO 4 and H 2 O 2 was demonstrated to be effective for selenium leaching based on their synergistic effects, and the potential synergy mechanism was proposed.

  • Author: Zhonglin Dong, Tao Jiang, Bin Xu, Junkui Yang, Yanzhu Chen, Qian Li, Yongbin Yang
  • Recovery of Silver and Gold from Copper Anode Slimes

    Sep 11, 2014· 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. Existing processes, namely pyrometallurgical

  • Cited by: 13
  • Leaching of gold and silver from anode slime with a

    Feb 13, 2019· In order to develop a hydrometallurgical process to recover gold and silver from anode slime resulted from the treatment of copper sludge, leaching experiments of the anode slime were performed by a mixture of HCl and some oxidizing agents (H 2 O 2, NaClO, and HNO 3).Effect of the concentration of oxidizing agents, reaction temperature and time, pulp density and stirring speed on

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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

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  • Development of a hydrometallurgical Gold Bulletin

    Mar 20, 2019· In order to recover gold and silver from anode slimes containing Cu, Ni, Sn, and Zn, an integrated hydrometallurgical process consisting of leaching, solvent extraction, and cementation was developed. All the metals together with 10% of Ag(I) were dissolved by the mixture of HCl and H2O2 at the optimum conditions. Separation of Au (III) together with Sn (II) was performed by Cyanex 272 from

  • Cited by: 1
  • 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.

  • 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.

  • Smelting and Gold Refining Part 3: Recovering the Gold

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

  • Author: mbmmllc
  • Smelting and Gold Refining PART 2: Electroplating Copper

    Oct 23, 2015· After we have collected the anode slimes we can then smelt them into a gold/silver dore which gives us a higher value product than selling the copper/precious metals to a refiner.

  • Author: mbmmllc
  • PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION

    higher lead, copper, tin and silver content. This work focuses on processing of anodic slimes obtained from an Egyptian copper electrorefining plant which is characterized by a high content of copper, lead, tin and silver. Several methods have been attempted for recovery of copper

  • 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.

  • v116n12a9 Extraction of copper and gold from anode slime

    Yavuz and Ziyadanogullari (2000) studied the recovery of gold and silver from copper anode slime. The slime contained Cu, Te, and Se in addition to Ag and Au. Pressure leaching with sulphuric acid in an autoclave was used to remove Cu. Selenium and tellurium were extracted by Na 2SO 3 or Na 2S solutions and the remained selenium was removed by

  • 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)

  • Recovery of Silver and Gold from Copper Anode Slimes

    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. Existing processes, namely pyrometallurgical processes

  • US3944414A Treatment of anode slime from copper

    Process for the flotation of anode slime from copper electrolysis comprising subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution. The floated material obtained from the flotation is continuously subjected to three processes of roasting, melting and cupellation in a rotary furnace lined

  • 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

  • Precious Metal Refinables Services Terra Resources LLC

    During the refining of copper, anode slimes are collected from the base of the electrolytic cells. Depending on the sources they are obtained from, there are two different types of slime. The first is produced during the production of copper concentrate, which has a relatively high content of gold, silver, tellurium and selenium, and the second

  • Recovery of Gold Ions from Copper Anode Slime by Means of

    Copper anodic slime contains 0.12% gold approximately. The common methods to extract gold from copper anodic slime are hydrometallurgical processes. The aim of this research is extraction and recovery of gold from copper anodic slimes by means of magnetite nanoparticles. For this, copper anodic slime was leached with nitric acid by which

  • Hydrometallurgical process for recovering precious metals

    Oct 06, 1981· 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.

  • 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

  • Precious Metal Refinables Services Terra Resources LLC

    During the refining of copper, anode slimes are collected from the base of the electrolytic cells. Depending on the sources they are obtained from, there are two different types of slime. The first is produced during the production of copper concentrate, which has a relatively high content of gold, silver, tellurium and selenium, and the second

  • Recovery of Gold Ions from Copper Anode Slime by Means of

    Copper anodic slime contains 0.12% gold approximately. The common methods to extract gold from copper anodic slime are hydrometallurgical processes. The aim of this research is extraction and recovery of gold from copper anodic slimes by means of magnetite nanoparticles. For this, copper anodic slime was leached with nitric acid by which

  • Hydrometallurgical process for recovering precious metals

    Oct 06, 1981· 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.

  • 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.

  • PRECIOUS METALS REFINING PRACTICE H. ABSTRACT

    Kennecott Copper Corporation, Utah Refinery Salt Lake City, Utah 841 11 ABSTRACT Anode mud, the residual material collected from the bottom of the electroly- tic cel Is during the refining of copper is leached, roasted, fire-refined and cast into Dore1 mefal anodes. Dore1 metal is a gold-silver-copper al loy containing 80 percent silver. The

  • Steffen FULL from anode slime to dore part1.ppt

    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

  • Gold recovery from copper anode slime by means of

    Mar 01, 2014· Read "Gold recovery from copper anode slime by means of magnetite nanoparticles (MNPs), Hydrometallurgy" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Electrolytic Refining: Silver Gold Copper

    The Anodes are made up of crude silver-bullion, together with gold-bullion that is too low in gold to be easily made up into gold anodes. The endeavor is to make a mixture, such that the anodes will run about 600 thousandths in silver, 300 thousandths in gold, and the remaining 100 thousandths in

  • 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

  • copper anode slime processing plant Pay For Work

    Copper Anode Slime Recovery-Copper-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

  • 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.

  • US Patent for Treatment of copper refinery anode slime

    A process for the removal of lead content in anode slime by subjecting the latter to primary and secondary leach in a medium of an ammonium acetate solution at a temperature not exceeding 80.degree. C. Whereby lead dissolution is maximized and other metals are minimized. Separate the leach solution from the undissolved slime residue, crystallize lead from the separated leach solution and

  • Anode Slime Hindustan Copper Limited

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