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treatment refractory copper ores

THE TREATMENT OF REFRACTORY COPPER ORES BY THE

THE TREATMENT OF REFRACTORY COPPER ORES BY THE SEGREGATION PROCESS By E. T. Pinkney and N. Plint Published in the Journal, June 1967 Contributions to discussion R. J. Westwood* (Member of Council): Mr President, ladies and gentlemen, Messrs Pinkney and Plint are to be congratulated on their most interesting paper and film on the TORCO segregation process. As the

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The treatment of refractory copper ores by the segregation

This process is very different from the conventional chloridizing roast in that the copper atoms migrate from their original sites in the ore particles and form discrete balls, flakes or particles of metallic copper which can then be removed by froth flotation, selective leaching or a variety of other well-known methods. A history of the research and development work on the segregation process

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The treatment of refractory copper ores by the segregation

THE TREATMENT OF REFRACTORY COPPER ORES BY THE SEGREGATION PROCESS* By E. T. Pinkney*, M.S.A.Chem.L (Member) and N. Plintf, B.Sc., M.I.M.M. (Visitor) SYNOPSIS The segregation process, discovered accidentally in 1923 by Moulden and Taplin of the Mineral Separations Company', consists in heating to temperatures above 600°C a mixture of oxide copper minerals with small

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Segregation Process for Treatment of Copper-Cobalt Oxide Ore

23/07/2018 The segregation process has been known for many years and applied industrially for the treatment of various refractory copper ores. The principles of the process are briefly reviewed; the process was tested in the laboratory on two copper-cobalt oxide ores from Gecamines, Shaba Province, Zaire. Various parameters of the process, such as segregation temperature, dosage of reducing and

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(PDF) Treatment of a Copper-Rich Gold Ore by Ammonia

The TORCO process or Treatment of Refractory Copper Ores involved a reduction roast using salt and coal of the refractory copper silicate ore in a fluid bed roaster to reduced the copper to the

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How to Process Copper Ore: Beneficiation Methods and

02/09/2021 As for the grinding and floating process, it is more advantageous to adopt the stage grinding and floating process for refractory copper ore, such as the re-grinding and re-separation of coarse concentrate, re-grinding and re-separation of bulk concentrate, and separate treatment of medium ore. Beneficiation methods of copper oxide ore Copper oxide (CuO) is insoluble in water, ethanol, soluble

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Advances in high-temperature heap leaching of refractory

treatment of secondary sulphide copper ores, where oxidative conditions are generated in aerated heaps by the bacterially-assisted oxidation of ferrous iron to ferric iron. The treatment of low-grade chalcopyrite ores has recently been the focus of research, with Mintek playing a prominent role. When processing chalcopyrite ores, more complex column test work is performed, which incorporates

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The treatment of refractory copper ores by the segregation

This process is very different from the conventional chloridizing roast in that the copper atoms migrate from their original sites in the ore particles and form discrete balls, flakes or particles of metallic copper which can then be removed by froth flotation, selective leaching or a variety of other well-known methods. A history of the research and development work on the segregation process

get price

THE TREATMENT OF REFRACTORY COPPER ORES BY THE

THE TREATMENT OF REFRACTORY COPPER ORES BY THE SEGREGATION PROCESS By E. T. Pinkney and N. Plint Published in the Journal, June 1967 Contributions to discussion R. J. Westwood* (Member of Council): Mr President, ladies and gentlemen, Messrs Pinkney and Plint are to be congratulated on their most interesting paper and film on the TORCO segregation process. As the

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Chemical treatment of Refractory Copper Ore-summary_Henan

The refractory copper ore treated by chemical ore dressing process is that it is often deposited on the surface of many copper ore bodies and sometimes more developed oxidation zones; in some mines, a large number of copper containing waste stones (low grade copper ores) are stored in the early stage of large-scale exploitation; in the end of production, there will be copper residue that is

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(PDF) Treatment of a Copper-Rich Gold Ore by Ammonia

The TORCO process or Treatment of Refractory Copper Ores involved a reduction roast using salt and coal of the refractory copper silicate ore in a fluid bed roaster to reduced the copper to the

get price

Segregation Process for Treatment of Copper-Cobalt Oxide Ore

23/07/2018 The segregation process has been known for many years and applied industrially for the treatment of various refractory copper ores. The principles of the process are briefly reviewed; the process was tested in the laboratory on two copper-cobalt oxide ores from Gecamines, Shaba Province, Zaire. Various parameters of the process, such as segregation temperature, dosage of

get price

Options to Treat Refractory Ores Home Albion Process

EVALUATING PROCESS OPTIONS FOR TREATING SOME REFRACTORY ORES By 1Mark Aylmore and 2Ashraf Jaffer 1 Demonstration of economic treatment options allows gold companies to maintain and increase their ore reserves. The selection of options to treat a specific ore is significantly impacted by factors such as mineralogy, precious metal grades and deportment, gold to sulphur ratios and

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The treatment of copper–gold ores by ammonium thiosulfate

01/10/2002 Copper–gold ores form a type of refractory gold ore. Large quantities of this ore type are available for processing. Cyanide treatment of ores with a high cyanide soluble copper to gold ratio is unfavourable due to high cyanide consumption resulting from the formation of copper–cyanide complexes. Ammonium thiosulfate is particularly attractive as an alternative to cyanide for the treatment

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How to Process Copper Ore: Beneficiation Methods and

02/09/2021 As for the grinding and floating process, it is more advantageous to adopt the stage grinding and floating process for refractory copper ore, such as the re-grinding and re-separation of coarse concentrate, re-grinding and re-separation of bulk concentrate, and separate treatment of medium ore. Beneficiation methods of copper oxide ore Copper oxide (CuO) is insoluble in water, ethanol, soluble

get price

Treatment Of Copper Ores

Treatment of refractory gold ores springerlink oxidized copper ores are exhibiting increasingly their importance as copper resources as worldwide high grade copper sulfide deposits become depleted extensive chemical and technological efforts have been made to meet the demand of exploitation of. 60S Manual Response ; 30Min Technical Response; 24Hour Free Program; If you want to learn about our

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Refractory Gold Ore Treatment Methods

14/07/2016 The leachox Process is another recently developed hydrometallurgical approach to the treatment of refractory gold ores. The technology is owned and marketed by Maclgwyn Mineral Services (MMS) based in the United Kingdom. This process has been installed at the Vasgold project in Kazakhstan, and the development, design, construction, and commissioning have been described by

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THE TREATMENT OF REFRACTORY COPPER ORES BY THE

THE TREATMENT OF REFRACTORY COPPER ORES BY THE SEGREGATION PROCESS By E. T. Pinkney and N. Plint Published in the Journal, June 1967 Contributions to discussion R. J. Westwood* (Member of Council): Mr President, ladies and gentlemen, Messrs Pinkney and Plint are to be congratulated on their most interesting paper and film on the TORCO segregation process. As the

get price

The treatment of refractory copper ores by the segregation

This process is very different from the conventional chloridizing roast in that the copper atoms migrate from their original sites in the ore particles and form discrete balls, flakes or particles of metallic copper which can then be removed by froth flotation, selective leaching or a variety of other well-known methods. A history of the research and development work on the segregation process

get price

The treatment of refractory copper ores by the segregation

THE TREATMENT OF REFRACTORY COPPER ORES BY THE SEGREGATION PROCESS* By E. T. Pinkney*, M.S.A.Chem.L (Member) and N. Plintf, B.Sc., M.I.M.M. (Visitor) SYNOPSIS The segregation process, discovered accidentally in 1923 by Moulden and Taplin of the Mineral Separations Company', consists in heating to temperatures above 600°C a mixture of oxide copper minerals with small

get price

The treatment of copper–gold ores by ammonium thiosulfate

01/10/2002 Copper–gold ores form a type of refractory gold ore. Large quantities of this ore type are available for processing. Cyanide treatment of ores with a high cyanide soluble copper to gold ratio is unfavourable due to high cyanide consumption resulting from the formation of copper–cyanide complexes. Ammonium thiosulfate is particularly attractive as an alternative to cyanide for the treatment

get price

Options to Treat Refractory Ores Home Albion Process

EVALUATING PROCESS OPTIONS FOR TREATING SOME REFRACTORY ORES By 1Mark Aylmore and 2Ashraf Jaffer 1 Demonstration of economic treatment options allows gold companies to maintain and increase their ore reserves. The selection of options to treat a specific ore is significantly impacted by factors such as mineralogy, precious metal grades and deportment, gold to sulphur ratios and

get price

treatment of copper ores

The treatment of refractory copper ores by the segregation process— E. T. Pinkney and N. Plint A small plant was constructed to carry out the process on a larger scale using stationary muffles for the chloridization. The writer found that the copper in solution was mainly in the cuprous form, in spite of the fact that the material was heated in . US1282892A Treatment of copper ores. Google

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Treatment Of Copper Ores

Treatment of refractory gold ores springerlink oxidized copper ores are exhibiting increasingly their importance as copper resources as worldwide high grade copper sulfide deposits become depleted extensive chemical and technological efforts have been made to meet the demand of exploitation of. 60S Manual Response ; 30Min Technical Response; 24Hour Free Program; If you want to learn about our

get price

Processing of Konkola copper concen- trates and Chingola

trates and Chingola refractory ore in a fully integrated hydrometallurgical pilot plant circuit by R.M. Whyte*, N. Schoeman†, and K.G. Bowes‡ Synopsis The Konkola Deep Mining Project (KDMP) seeks to exploit the deep level potential of the Konkola Deeps orebody, producing high grade copper concentrates for treatment at the Nkana Smelter and Refinery. As an alternative to smelting, Konkola

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Applied Mineralogy of Refractory Copper Ores from the

Certain copper ores from the Nchanga Copper Mine in the northern Zambia Copperbelt are refractory with respect to conventional beneficiation techniques. This paper reviews recent study of those ores to determine their mineralogy, textures and nature of copper occurrence. Two suites of refractory ores were selected for study: 1. samples of stockpiled ores from an open pit, and 2. drill core

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HYDROMETALLURGY OF GOLD: NEW PERSPECTIVES AND TREATMENT

AND TREATMENT OF REFRACTORY SULPHIDE ORES In the last two decades a considerable number of new hydrometallurgical processes have been developed and implemented in gold industry allowing the economical treatment of increasingly complex and lower grade ores as well as refractory ores. As a result, all over the world the production of gold has almost doubled in the last 20 years. In

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