ferric chloride leaching of copper from chalcopyrite

THE KINETICS OF THE DISSOLUTION OF CHALCOPYRITE IN ...

the use of electrochemical or chemical oxidation of iron(II) or copper(I) ions is ineffective unless ... The leaching of chalcopyrite in chloride solutions. 29. 2.2.1.

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chalcopyrite dissolution in cupric chloride solutions - Aaltodoc

Sep 25, 2009 ... Although being the most important copper mineral, chalcopyrite has ... In 1923, a ferric chloride leaching process was patented in the U.S, as.

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A Review on Novel Techniques for Chalcopyrite Ore - Scientific ...

Keywords Copper and Chalcopyrite, Ore processing, Hydrometallurgy, Pyrometallurgy, ..... ferric chloride (FeCl3) leaching of chalcopyrite concentrates.

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Mixed control kinetics of copper dissolution for copper ore using ...

The present study investigates the dissolution of copper from chalcopyrite ore (containing 0.75% copper) using ferric chloride. The leaching results were...

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Characterization and Flotation of Sulfur from Chalcopyrite ...

with a copper grade of 14.5% in a single-stage froth flotation. ... As early as 1923, ferric chloride leaching was applied to one sulfide ore and was recognized as...

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Chloride leaching for chalcopyrite - UBC Library Open Collections

The leach tests were performed using a chalcopyrite concentrate, from .... Iron Deportment 25 2.3 Overview o f chloride leach processes for copper 29 2.4...

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ferric chloride leaching of the delta sulfide ores and

grades far zinc, lead and copper from the complex sulfide ores found at Tok, Alaska1. ... As early as 1923, ferric chloride leaching was applied to one sulfide...

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Leaching kinetics of copper from chalcopyrite concentrate in nitrous ...

Leaching kinetics of copper from chalcopyrite concentrate in nitrous-sulfuric acid ... 2005, Dissolution kinetics of sphalerite in acidic ferric chloride leaching.

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Cu Leaching Using Regenerated Ferric Sulphate - SGS

Secondary copper minerals such as chalcocite (Cu2S) and covellite (CuS) are known to dissolve ... called the “Regenerated Ferric Sulphate Leaching (RFSL) process, in which the reoxidation of the ferrous ion is ... chloride, has been shown to.

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Copper leaching from chalcopyrite concentrates | SpringerLink

Chalcopyrite (CuFeS2) is one of the most abundant copper-bearing minerals, ... T.A. Phillips, “Economic Evaluation of a Process for Ferric Chloride Leaching of...

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acidified ferric chloride leaching of a chalcopyrite ... - Ore Dressing

ABSTRACT: The leaching characteristics of a pyritic-chalcopyrite flotation concentrate from Küre Copper. Mine, Turkey, was investigated in acidified ferric...

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The Recovery of Copper in Sulphide Ores by Roasting, Leaching ...

The iron in the copper sulphide ores is present as pyrite, or in combinations as ... the last step in hydrochloric acid and stannous chloride and titrating with...

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Patent US3951649 - Process for the recovery of copper - Google ...

Apr 20, 1976 ... leaching the raw material with an aqueous ferric chloride leach .... to leach copper ores containing sulfur with a ferric chloride solution and then...

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Download (173Kb) - [email protected]

Importance of hydrometallurgical route for processing chalcopyrite recovery of copper is ... Conditions for ferric chloride leaching process have been standardized ... A 11 the copper produced in India comes from the three groups of mines.

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Atmospheric oxidative and non-oxidative leaching of Ni-Cu matte by ...

The atmospheric leaching of copper-bearing matte by acidic ferric chloride ... metal sulphides and precious metals produced from the smelting of sulphide ores.

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an investigation of leaching chalcopyrite ore - QSpace at Queen's ...

pipes. An external oxidant is required and for an abiotic heap-leach external ferric ...... Chloride Concentrations on the Copper Leaching Rate of a Chalcopyrite.

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New Developments in the Atmospheric and Pressure Leaching of ...

Use chloride or chloride addition .... Ferric Leach of sulfide copper (Chalcocite). ❖ Ferric provided by pressure oxidation of Pyrite concentrate. ❖ Ore is milled in...

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Mechanism of chalcopyrite leaching in oxidative sulphuric ... - chisa

Mechanism of chalcopyrite leaching in oxidative sulphuric acid solution ... in sulphate and chloride media under atmospheric or pressure leaching conditions. .... Copper and iron leach from chalcopyrite at low pH values and under the given...

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Ferric chloride leaching of chalcopyrite: Synergetic effect of CUCl2 ...

Official Full-Text Publication: Ferric chloride leaching of chalcopyrite: ... found that agitation had a negative effect on copper recovery from chalcopyrite during the.

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Atmospheric Chloride Leaching of Base Metal Sulphides - Scribd

The Jaguar Nickel Atmospheric Chloride Leach Process, recently developed for .... references to ferric and cupric chloride leaching of chalcopyrite concentrates [20], ... of the copper was recovered in an oxidation leach with ferric chloride; iron...

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