• A simple method for the recovery of selenium from

    2021-5-31 · The recovery of selenium from Iranian sar-cheshmeh copper anode slime has been investigated. 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.

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  • Recovery of Gold and Silver from Tin-Rich Slag Mineral

    2018-6-9 · To extract gold and silver from a copper anode slime with about 15 tin in a plant using the traditional pyrometallurgy-electrorefining technique the recovery is only 90 . The rest of the gold and silver is lost in the slag which contains mainly SnO 2 PbO and Sb 2 O 3 In the present work a process is developed to recover the gold and silver

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  • EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD

    2018-12-15 · 2009) published a review of anode slime processing including anode slime leaching by sulfuric acid. Research on gold silver and copper separation had been accomplished by Bard and Sobral (2008) using hydrochloric acid solution adding sodium hypochlorite solutions as an oxidizing agent. The goldand silver can be separated from the after slime

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  • Comprehensive recoveries of selenium copper gold silver

    2020-8-1 · 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.

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  • Recovery of Gold Ions from Copper Anode Slime by Means

    Copper anodic slime which is an insoluble residue of copper electro-refining process contains valuable elements such as gold silver selenium and tellurium and is a byproduct of copper ingot production. Copper anodic slime contains 0.12 gold approximately. The common methods to extract gold from copper anodic slime are hydrometallurgical

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  • EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND GOLD

    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.

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  • 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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  • copper anode slimes processing equipment from china

    Integrated process for recycling copper anode slime from. Nov 01 2017 The copper anode slime was obtained from a factory which is located in southern of China. Before the experiment H 2 SO 4 solution was used to remove copper and H 2 O 2 was added.

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  • Recovery of scattered and precious metals from copper

    2020-11-1 · Extraction of gold silver and copper from the copper electrorefining anode slime separation of the metals J. Vet. Sci. 44 ( 2008 ) pp. 807809 View Record in Scopus Google Scholar

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  • ChapterL HYDROMETALLURGY SOLUTION MINING

    2013-5-9 · 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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  • An environmentally friendly process to selectively recover

    Anode slime is an important secondary resource for recovery of silver. However high energy consumption and serious pollution limit the recovery with current processes. In this study an effective and environmentally friendly process was developed for selective recovery of silver from copper anode slime which consisted of oxidative

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  • ChapterL HYDROMETALLURGY SOLUTION MINING

    2013-5-9 · 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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  • 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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  • An environmentally friendly process to selectively recover

    Anode slime is an important secondary resource for recovery of silver. However high energy consumption and serious pollution limit the recovery with current processes. In this study an effective and environmentally friendly process was developed for selective recovery of silver from copper anode slime which consisted of oxidative

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  • Precious Metal Division Fujairah Gold

    Precious Metal Division. We at Fujairah Gold produce Pure Gold and Silver in various forms from our raw material Anode slime from Copper Refinery from our Group Subsidiary using the technology supplied by OUTOTEC Oyj Finland.

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  • The Extraction of Gold from E-waste by Hydrometallurgy

    Wong et al used hydrometallurgy to extract valuable metals like gold silver selenium tellurium from copper anode sludge. In this method anode sludge without copper is used to extract silver selenium and gold. First anode sludge without copper is leached into a

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  • The recovery of valuable elements from the leaching

    2021-5-11 · The recovery of valuable elements from the leaching solution of copper 2.86 copper 2.31 silver 0.39 gold and about 42 barite plus lead tellurium antimony sulfur silica with copper anode slime leaching solution the appropriate amount of the raw copper anode slime

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  • EXTRACTION OF GOLD SILVER AND COPPER FROM THE

    2019-6-10 · 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 process of those concentrate all gold and silver are practically in the blister copper which is cast into anodes.

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  • Leaching of gold and silver from anode slime with a

    2018-6-1 · 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 the leaching

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  • 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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  • Recovery of Gold and Silver from Copper Anode Slime

    2007-2-15 · Removal of Copper Silver and Gold. The first step in this approach was to remove the copper from the anode slime a mixture of roasted (CuSeO 3) and unroasted (CuSe) slimes by dissolution with sulfuric acid according to Ziyadanogullari R. and Yavuz O. 1990. Recovery of Selenium and Tellurium from Anode Slime.

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  • v116n12a9 Extraction of copper and gold from anode

    2016-12-14 · 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

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  • 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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  • EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND GOLD

    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.

    Get Price
  • Solvent Extraction of Gold(III) with Diethyl Carbonate

    2020-6-1 · in the recovery of gold from secondary sources including waste electric and electronic equipment (e-scrap) jewelry spent catalysts and copper anode slime.1−6 Developed in the mid-19th century extraction of gold by chlorination was the first hydrometallurgical gold extraction process available on the commercial scale.

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  • 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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  • 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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