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Potential pre-treatment and processing routes for recovery ,

21 Microwave pre- treatment of refractory gold ores Most of refractory gold occurs within sulphide minerals such as FeS 2 and FeAsS and are treated by roasting, pressure leaching or bacterial leaching to render the gold amenable to recovery by subsequent treatment techniques (Haque, 1987)...

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Review Pretreatment Process on Refractory Gold Ores with As

refractory gold ore bearing organic carbon 4 Bacterial Preoxidation The research of bacterial peroxidation is quite active The technology started to process ores in the 1950 s, and at first leached to recovery copper from the low-grade copper ore or marginal copper ore ,...

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INVESTIGATION OF THE AMENABILITY OF A COPPER-RICH ,

cyanidation of refractory gold ores to enhance gold recoveri Potential options for the treatment of copper-rich gold ores, in particular, include the removal of copper sulphides by flotation followed by cyanide leaching, the elimination of copper in acid/alkaline solutions ,...

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How to Process Copper Ore: Beneficiation Methods and ,

28-10-2021· Secondary copper sulfide ore is easy to oxidize and more difficult to float than original copper ore 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...

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treatment of copper ores - 4kunsteducatienl

Treatment of Mixed Sulfide Oxide Ores of Copper 25/9/2016 Beside the ores containing copper mainly as sulfide, with a small amount of oxidized copper, many of the large porphyry mines have oxide orebodies, in which the proportion of nonsulfide minerals is so high that present methods of treatment are inefficient In some of the wellknown orebodies in the MiamiInspiration district the copper ....

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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 or The principles of the process are briefly reviewed; the process was tested in the laboratory on two copper-cobalt oxide ores ,...

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The treatment of refractory copper ores by the segregation ,

The segregation process, discovered accidentally in 1923 by Moulden and Taplin of the Mineral Separations Company', consists in heating to temperatures above 600i?½C a mixture of oxide copper minerals with small amounts of halogen-bearing material such as sodium chloride, and a reducing agent such as coal or coke This process is very different from the conventional chloridizing roast in that ....

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treatment refractory copper ores - dedomusnl

Extract copper and gold from low-grade ores more efficiently Ore deposits are becoming increasingly complex to treat and grades continue to deteriorate in known reserv For instance, approximately 15-20 per cent of the worlds current gold production involves refractory ores that must be pre-treated prior to downstream recovery by cyanidation...

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THE TREATMENT OF REFRACTORY COPPER ORES BY THE ,

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...

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Processing of Konkola copper concen- trates and Chingola ,

copper concentrates (acid producing) and oxide copper ores (acid consuming) The paper discusses the key features of a comprehensive piloting campaign carried out at Anglo American Research Laboratories, which involved the co-treatment of Konkola copper concentrates and Chingola refractory ore in a fully integrated pilot plant circuit...

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BACTERIAL LEACHING AS A PRE-TREATMENT STEP FOR GOLD ,

Fizykochemiczne Problemy Mineralurgii, 32 (1998), 173–181 Alper ÖZKAN*, Salih AYDOGAN*, Ünal AKDEMIR* BACTERIAL LEACHING AS A PRE-TREATMENT STEP FOR GOLD RECOVERY FROM REFRACTORY ORES In this article, pre-treatment such as bio-leaching before cyanidation is ,...

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Treatment Of Copper Ores - angelverein-werdaude

Treatment Of Copper Or 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...

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treatment refractory copper ores - uszczykpl

The treatment of refractory copper ores by the 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 amounts of halogen-bearing material such as sodium chloride, and a reducing agent such as coal or coke...

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Treatment Of Copper Ores - angelverein-werdaude

Treatment Of Copper Or 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...

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treatment of copper ores - cabaretzeewoldenl

Treatment of copper ores and concentrates , SpringerLinkToday, with a stringent economic and environmental climate prevailing in the copper business, there is increased interest in evaluating&treatment of copper ores...

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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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treatment of copper ores - apartscare-resortspl

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, ....

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The treatment of refractory copper ores by the segregation ,

The segregation process, discovered accidentally in 1923 by Moulden and Taplin of the Mineral Separations Company', consists in heating to temperatures above 600i?½C a mixture of oxide copper minerals with small amounts of halogen-bearing material such as sodium chloride, and a reducing agent such as coal or coke This process is very different from the conventional chloridizing roast in that ....

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Options to Treat Refractory Ores - Albion Process

options for treating more complex ore bodies as the less refractory ores become depleted Demonstration of economic treatment options allows gold companies to maintain and increase their ore reserv The selection of options to treat a specific ore is significantly impacted by factors such as...

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HYDROMETALLURGY OF GOLD: NEW PERSPECTIVES AND TREATMENT ,

techniques, particularly heap leaching, were developed for the treatment of low grade or The developments related with gold extraction from pregnant solutions include, carbon-in-pulp, carbon-in-leach processes, the use of resins and solvent extraction techniqu A considerable effort has also been made to treat refractory or...

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The treatment of refractory copper ores by the segregation ,

refractory copper ores Disclosure The authors confirm that the manuscript has been read and approved by all named authors and that there are no other persons who ,...

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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,...

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Treatment Refractory Copper Ores - mnl15nl

PDF Treatment of a CopperRich Gold Ore by Ammonia ,Jan 01 2012 The TORCO process or Treatment of Refractory Copper Ores involved a reduction roast using salt and coal of the refractory copper silicate oreAs a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc we offer advanced, rational solutions for...

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How to Process Copper Ore: Beneficiation Methods and ,

28-10-2021· Secondary copper sulfide ore is easy to oxidize and more difficult to float than original copper ore 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...

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Copper extraction - Wikipedia

How to Process Copper Ore: Beneficiation Methods and Equipment | Fo,...

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The treatment of refractory copper ores by the segregation ,

refractory copper ores Disclosure The authors confirm that the manuscript has been read and approved by all named authors and that there are no other persons who ,...

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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 or The principles of the process are briefly reviewed; the process was tested in the laboratory on two copper-cobalt oxide ,...

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HYDROMETALLURGY OF GOLD: NEW PERSPECTIVES AND TREATMENT ,

techniques, particularly heap leaching, were developed for the treatment of low grade or The developments related with gold extraction from pregnant solutions include, carbon-in-pulp, carbon-in-leach processes, the use of resins and solvent extraction techniqu A considerable effort has also been made to treat refractory or...

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Options to Treat Refractory Ores - Albion Process

options for treating more complex ore bodies as the less refractory ores become depleted Demonstration of economic treatment options allows gold companies to maintain and increase their ore reserv The selection of options to treat a specific ore is significantly impacted by factors such as...

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treatment of copper ores - ofsangregornl

Treatment of Au-Cu refractory ores using SART Technology, 978-3-659-88741-3, Athens gold mine is a subsidiary of Duration Gold Zimbabwe pvt (Ltd) company Duration Gold Zimbabwe is primarily in gold mining and processing The existence of huge gold dump ores at Athens gold mine in Mvuma assaying on average 48g/t but with high copper content necessitated the undertaking of this initiative...

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