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of gold and silver from copper anode slime

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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copper anode slimes processing equipment

copper anode slimes processing equipment. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including quarry, aggregate, and different kinds of minerals.

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PRECIOUS METALS REFINING PRACTICE H. ABSTRACT

PRECIOUS METALS REFINING PRACTICE Arthur H. Leigh Kennecott Copper Corporation, Utah Refinery Salt Lake ... roasted, fire-refined and cast into Dore1 mefal anodes. Dore1 metal is a gold-silver-copper al loy containing 80 percent silver. The metal is processed electrolytically using the Moebius ... hence it is also known as anode slime. 95 .

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Recovery of Silver and Gold from Copper Anode Slimes

Copper anode slimes, produced from copper electrolytic refining, are impor- tant industrial by-products containing several valuable metals, particularly silver and gold.

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PROCESS FOR EXTRACTING NOBLE METALS FROM ANODE SLIME ...

May 25, 2017· The 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 is ≧99.5%.

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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.

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Leaching of gold and silver from anode slime with a ...

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

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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 ...

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WO2009105832A1 - Selective gold extraction from copper ...

The invention relates to a method for recovering gold from an acid digest of a gold-containing copper anode slime. The acid digest is selectively extracted with an alcohol having low miscibility with water. Gold is then recovered from the resulting alcoholic extract.

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Gold silver Recovery from WEEE/ PCB and Anode slime (Top ...

Jan 20, 2018· Gold 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. ... Silver and Gold ...

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T.I.C - Product : Anode Slime - tic-corp.com

The silver electrolysis anode slime or any other similar gold-containing material can be refined in Outotec’s Wet Chemical Chlorination Process. Materials like gold alloy bars can be pre-treated by melting and atomizing into fine powder, before being leached and refined.

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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 ...

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Smelting and Gold Refining Part 3: Smelting the anode ...

Nov 23, 2015· This 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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Copper Anode Slime Recovery-Copper- - metalcess.com

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.

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recovery of gold and silver from copper anode slime ...

Recovery of Gold and Silver from Copper Anode... study has shown that gold and silver can be recovered from a complex anode slime containing copper, selenium, and tellurium, but a …

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EXTRACTION OF GOLD, SILVER AND COPPER FROM THE …

EXTRACTION OF GOLD, SILVER AND COPPER FROM THE 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

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Sequential removal of selenium and tellurium from copper ...

copper anode slime with high nickel content Dian-kun LU, Yong-feng CHANG, Hong-ying YANG, Feng XIE ... especially gold and silver with little attention on selenium and tellurium recovery. According to a previous survey of 56 worldwide electrolytic copper refiners, 52

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PROCESSING OF COPPER ANODE-SLIMES FOR EXTRACTION …

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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Au Moss Study of Copper Refinery Anode Slimes ...

A commercial copper anode (sample 1) and an airdried raw anode slime were obtained from the copper VOLUME 24B, JUNE 1993--457 7 4.06 --0. the leaching solutions also contained 25 to 50 m g / L of chloride ion. sulphate. details are available in the literature. gold becomes concentrated at the surface of the anode.6 11.

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EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND …

Keywords: anode slime, silver recovery, silver extraction, chlorination process. ABSTRAK ... characteristics of silver and gold-copper anode slimes. However, many researchers are still searching alternatives for the more economical route. Many different solvents have been used

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extraction of gold from anode mud - teenventure.org

Nov 12, 2018· extraction of gold, silver and copper from the 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.

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US20110083531A1 - Selective gold extraction from copper ...

Anode slimes derived from the electrorefining of anode copper contain significant amounts of gold and silver. The processing of the slimes is complicated by the …

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pcb recycle line anode slime treatment copper gold silver ...

Recycling, recovering, and reusing of obsolete electronics in new product cycles value addition potential of metals such as gold, silver, copper, palladium, The printed circuit board PC is a major constituent of these obsolete and discarded process, a high-purity silver cathode and anode gold slime …

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Five arrested for smuggling anode slime from Sterlite ...

Thirty-four barrels of anode slime was shipped to Dubai from Tuticorin port in March and upon arriving it was revealed that the slime was replaced with cheaper metals.

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(PDF) Leaching of gold and silver from anode slime with a ...

Copper anode slimes, produced from copper electrolytic refining, are important industrial by-products containing several valuable metals, particularly silver and gold.

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Copper Anode Slime - Metalcess

Anode slime is a byproduct of copper or lead electro-refining 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.

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Electrowinning - Wikipedia

The most common electrowon metals are lead, copper, gold, silver, zinc, aluminium, chromium, cobalt, manganese, and the rare-earth and alkali metals. For aluminium, this is …

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Extraction of Copper and Gold from Anode Slime of ...

Extraction of copper and gold from anode slime of Sarcheshmeh Copper Complex selenium, silver, and tellurium with dilute HNO3 (2–8 M), fluorescence (XRF) …

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ANODE MUD by Beyza TEPEKIRAN on Prezi

The main objective of this work was to evaluate and identify what are the best experimental conditions for extracting gold, silver and copper of anode slime generated during the copper electrorefining through oxidative hydrometallurgical processes.

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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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Steffen FULL from anode slime to dore part1.ppt - LBMA

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

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v116n12a9 Extraction of copper and gold from anode slime ...

copper, silver, and gold from anode slime and non-representational compounds CuSe, Ag 2Se, and CuAgSe with nitric acid. Dutrizac and Chen (1990) also studied slime leached with NaCl addition, and the main difference in the leach residue was found to be that silver

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