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Anode Slime From Copper Electrorefining Process

Program Session List. Resource metals and other impurities in the anode. In the electrorefining process, of slime particles during copper electrorefining . US5939042A Tellurium extraction from copper . of tellurium from copper electrorefining 2 to 2 from copper electrorefining slimes. The process uses bearing copper refinery anode slime

Process for the recovery of selenium from minerals and/or ...

Jan 10, 2012· Copper present in the slimes occurs usually in the form of metallic copper sulphide, copper telluride or copper selenide. In the treatment of anode slimes, impurities, for example, but not limited to, copper and nickel are removed first and selenium and tellurium thereafter, using different recovery processes.

Processing of copper electrorefining anode slime | Request PDF

This paper focuses on the recovery of tellurium from high tellurium-bearing material with similar compositions to the anode slime of copper electrorefining, containing about 50% of copper and 34% ...

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), recovery and recycling of HNO3, selective solvent extraction of silver, and finally separation and recovery of selenium and tellurium from the Ag-free solution by reduction with SO2 under different conditions ...

A Feasibility Study for a Tellurium Recovery Facility of ...

VI. REFERENCES 1. Singh N, Mathur SB. 1970. Recent Trends in Extraction of Selenium and Tellurium from Electrolytic Copper Slimes. NML Technical Journal. Vol. 12, 101-110. 2. Wang S, Wesstrom B, Fernandez J. 2003. A Novel Process For Recovery of Te and Se From Copper Slimes Autoclave Leach Solution.

Some Studies on Sulfuric Acid Leaching of Anode Slime with ...

Nov 13, 2002· The most effective hydrometallurgical processing of anode slime is based on a chlorination route. However, it requires special attention with respect to pollution problems and construction materials. To minimize the problems, a new hydrometallurgical approach was pursued for the recovery of valuable metals and metalloids from copper electrorefining anode slime.

Tellurium Extraction From Copper Electrorefining Slimes ...

Dec 21, 1993 · A method of increasing the extraction of tellurium from copper electrorefining slime United States Patent extraction of tellurium from copper. Get Price. The treatment of copper refinery anode slimes SpringerLink.

Tellurium High Pressure Roller Grinding - klinikzuerichberg.ch

Tellurium Extraction From Copper Electrorefining. Aug 17 1999 The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a. Get Price; Scandium Chain Conveying Immobilien Tessin Eu. Scandium high pressure roller grinding macimpianti.

anode slime from copper electrorefining process - optimafm.nl

Tellurium extraction from copper electrorefining slimes, Aug 17, 1999· US Pat No 2,981,595 teaches a process for recovering tellurium from anode slimes produced during copper electrorefining The process comprises digesting the slimes in sulphuric acid to form soluble tellurium sulphate, and the solid fraction is removed by filtration. More

US Patent for Method of tellurium separation from copper ...

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.degree. and 200.degree. C. until copper, nickel and substantially all of the tellurium is dissolved, thereby forming a leach slurry, and ...

Improved estimates for Te and Se availability from Cu ...

Improved estimates for Te and Se availability from Cu anode slimes and recent price trends. Authors. Martin A. Green. ... Recovering selenium and tellurium from copper refinery slimes. ... Tellurium extraction from copper electrorefining slimes. U.S. Patent No. …

Electrolytic Refining - Mineral Processing & Metallurgy

Electro-refining. Usually the object of electrolytic refining is to separate one metal in pure form from an alloy containing a high percentage of the desired metal, copper for instance, and a number of other metals dissolved in the copper or intimately mixed with it.

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.

cost of copper electrorefining anode slime processing

Processing of copper anode-slimes for extraction of metal values. 5 Mar 2002 Processing of anodic slimes from an Egyptian copper electrorefining The advantages of the roasting process are: simplicity, low costs when. Contact Supplier; Copper Refining Electrolyte and Slime Processing - Emerging

US5939042A - Tellurium extraction from copper ...

The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a molar ratio Ag/Se, Ag/S or Ag/Se+S at a value of about 2 or less in the slimes during leaching thereof in an autoclave. The excess of selenium and/or sulphur allows the formation of Ag 2 Se or Ag 2 S, which remains ...

copper anode slime processing plant in finland

Selenium and Tellurium - Indian Bureau of Mines. Feb 20, 2017 ... anode slime from electrolytic copper refineries. EXTRACTION ... In glass manufacturing, selenium powder in traces is used as a ... the plant-animal human chain and as human ... Sweden, and Finland (4% each) (Table - 2). Get Price

Chapter - L HYDROMETALLURGY & SOLUTION MINING

obtain copper with a purity of 99.99%, impurities accumulate in the bottom of cells as anode slimes; these slimes are the un-dissolved portion of the corroding copper anode. These slimes contain copper, gold, lead, nickel, platinum, selenium, silver and tellurium which their chemical composition

Extraction of selenium from copper anode slimes in a ...

A new method was proposed for extracting selenium from copper anode slimes with a low concentration of nitric acid in a sealed sulfuric acid leaching system. It is performed under an atmosphere of oxygen which allowed for a cyclic utilization of nitric acid. The effects of main parameters on selenium leaching were studied.

Tellurium extraction from copper electrorefining slimes ...

Aug 17, 1999· The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a molar ratio Ag/Se, Ag/S or Ag/Se+S at a value of about 2 or less in the slimes …

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.

Patents Assigned to Noranda Inc. - Justia Patents Search

Abstract: The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a molar ratio Ag/Se, Ag/S or Ag/Se+S at a value of about 2 or less in the slimes during leaching thereof in an autoclave.

Process for extracting noble metals from anode slime - US ...

The present invention provides a process for extracting noble metals from anode slime, comprising: mixing sodium carbonate, quartz and coke powder and impurity-removed anode slime, and subjecting the mixture to smelting and converting to obtain alloys of noble metals. The present invention avoids problem of lead pollution by using metallic bismuth to collect noble metals; meanwhile, metallic ...

Detellurization Process of Copper Anodic Slimes Leach ...

Request PDF on ResearchGate | Detellurization Process of Copper Anodic Slimes Leach Liquor by Cementation of Tellurium Using Elemental Copper | During the leaching of anodic slimes, tellurium ...

Recovery of tellurium from high tellurium-bearing ...

Besides the extraction of tellurium from the self-produced copper anode slime, they often purchased tellurium-bearing raw materials from other domestic and foreign enterprises. The materials, especially with high copper and tellurium content, cannot fully meet the existing process conditions in the plant.

EP0528361A1 - Improved 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 slurry ...

Effect of tellerium in cu electrorefining

Effect of tellerium in cu electrorefining Products. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any size-reduction requirements including, Effect of tellerium in cu electrorefining, quarry, aggregate, and different kinds of minerals.

industrial scale silver extraction from slime

US5939042A Tellurium extraction from copper . The present invention is concerned with a method for the substantially selective extraction of tellurium from copper electrorefining slimes. The method comprises maintaining a molar ratio Ag/Se, Ag/S or Ag/Se+S at a value of about 2 or less in the slimes during leaching thereof in an autoclave.

EXTRACTING SILVER FROM ANODE SLIME AFTER LEAD AND …

Anode slime is a byproduct of copper electrorefining process. It contains copper, lead, gold, silver, selenium, tellurium, arsenic, nickel, platinum, silica and other elements. In processing anode slime, extraction of precious metals becomes the main object, especially gold, silver, selenium, tellurium, ... the US Patent 3658510 A (Ernst Runyon ...

Recovery and refining of selenium from copper anode slime ...

The composition of the copper anode slime, ensured from the firm named SARKUYSAN Elektrolitik Bakır Sanayi ve Ticaret A.Ş, is examined with the chemical and phase analyses. After preprocesses, the copper anode slimes are subjected to decopperization process which is the first step of the study.

Mineralogical Characteristics of Copper Electrorefining ...

A new approach for the treatment of copper electrorefining anode slime based on hydrometallurgical route involving sulfuric acid leaching with additives such as manganese dioxide and sodium chloride has been developed at National Metallurgical Laboratory (NML), Jamshedpur, India. Mineralogical characterization of the anode slime and the residues after various leaching treatments, carried out ...

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