copper extraction from sulphide ores by chloride

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  • The cuprex metal extraction process: Recovering copper

    2· The Cuprex metal extraction process produces cathode grade copper using a hydrometallurgical process based on chloride leaching of sulfide ore concentrates. The process incorporates several novel ste Abstract

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  • Patent US4552632Hydrometallurgical method of extraction

    Copper content in sulphide containing materials such as ores or concentrates is extracted by leaching the material by means of a leaching solution containing iron (III) chloride and copper (II) chloride, the leaching process being

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  • Copper hydrometallugry and extraction from

    New processes are now developed to recover copper from sulphide ores and concentrates, including CUPREX Process discussed in the next parts of the paper. The modem hydrometallurgical process consists of processed in situ

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  • copper extraction and purificationchemguide: helping

    This page looks at the extraction of copper from its ores, its purification by electrolysis, and some of its uses. Before you get too bogged down in the extraction of copper, make sure that you need it for whatever syllabus you are

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  • Copper extractionWikipedia

    Most copper ores contain only a small percentage of copper metal bound up within valuable ore minerals, with the remainder of the ore being unwanted rock or gangue minerals, typically silicate minerals or oxide minerals for which

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  • Solvent Extraction of Silver from Chloride Solutions by

    The solvent extraction of silver from chloride solutions by Cyanex 471X (American Cyanamid) was studied to determine the nature of the extracted species and to examine selective recovery of silver from the major components of

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  • Novel solvent extractants for recovery of copper from chloride

    7· [Show abstract] [Hide abstract] ABSTRACT: The Cuprex metal extraction process produces cathode grade copper using a hydrometallurgical process based on chloride leaching of sulfide ore concentrates. The process

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  • Solvent Extraction of Copper from Chloride Solution

    There has been a trend to switch from pyrometallurgy to hydrometallurgy in copper refining of copper sulphide ores since pyrometallurgy process needs a huge amount of energy and is harmful to the environment. In this study

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  • Patent US5114687Ammonia extraction of gold and

    Citing Patent Filing date Publication date Applicant Title US5308381 * Apr 15, 1993 May 3, 1994 South Dakota School Of Mines & Techology Ammonia extraction of gold and silver from ores and other materials US5328669 * Jan 26

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  • What is the best method for sulfide copper leaching?

    The lechant is regenerated normally by chlorination of ferrous chloride solution. In case of lean ores which will be subjected to crushing in HPGR are subjected dump/ heap leaching aided by bacteria followed by LIX64 treatment

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  • Solvent Extraction of Copper from Chloride Solution

    There has been a trend to switch from pyrometallurgy to hydrometallurgy in copper refining of copper sulphide ores since pyrometallurgy process needs a huge amount of energy and is harmful to the environment. In this study

    get price>>
  • Novel solvent extractants for recovery of copper from chloride

    7· [Show abstract] [Hide abstract] ABSTRACT: The Cuprex metal extraction process produces cathode grade copper using a hydrometallurgical process based on chloride leaching of sulfide ore concentrates. The process

    get price>>
  • Patent US4552632Hydrometallurgical method of extraction

    Copper content in sulphide containing materials such as ores or concentrates is extracted by leaching the material by means of a leaching solution containing iron (III) chloride and copper (II) chloride, the leaching process being

    get price>>
  • Copper Extraction from Sulfide Ores Latest Contents

    EXTRACTION OF COPPER FROM SULPHIDE ORES Copper is mostly extracted from the sulphide ore, copper pyrites, by means of the following two processes: i Smelting process ii Hydrometallurgical process SMELTING

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  • US6537440B1Processing copper sulphide ores

    A method for extracting copper from a mineral feed containing copper sulphide mineral 1 , which involves crushing and blending the feed 2, 6, 10 followed by leaching of the feed in an autoclave 20 . The conditions in the autoclave

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  • A Novel Technique for Silver Extraction from Silver

    Turk J Chem 25 (2001) , 187 { 191. c TUB¨ ITAK_ A Novel Technique for Silver Extraction from Silver Sulphide Ore S. AYATA, H. YILDIRAN Ege University, Science Faculty, Chemistry Department, 35100, Bornova, Izmir TURKEY

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  • Ferric sulphate/chloride leaching of zinc and minor

    Zinc extraction was not affected by the change of medium from sulphate to chloride but copper and silver leaching was favoured by the addition of sodium chloride up to a concentration of 1

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  • EXTRACTING METALS FROM SULFIDE ORES

    EXTRACTING METALS FROM SULFIDE ORES Ronald Woods School of Science, Griffith University Nathan, Queensland 4111, Australia E mail: [email protected] Many important metals are present in nature combined

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  • Copper Mining and Extraction Sulfide Ores

    Copper Mining and Extraction: Sulfide Ores It's hard to imagine a world without copper. We rely on copper for power, lighting, heating, communications, water supply and transport. Copper makes our homes, schools and In this e

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  • Sulphide LeachingMetallurgist & Mineral Processing

    Methods of leaching sulphide ores can be: in absence of oxidizing agents in presence of oxidizing agents Bacterial leaching Absence of oxidizing agents Acid leaching: Dilute acids dissolve some metal sulphides with liberation of

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  • Extraction of metals from complex sulfide nickel

    1· Extraction of metals from complex sulfide nickel concentrates by low temperature chlorination roasting and water leaching Authors Authors and affiliations Cong Xu Hong wei Cheng Email author Guang shi Li Chang yuan Lu

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  • Copper Mining and Extraction Sulfide Ores

    Copper Mining and Extraction: Sulfide Ores It's hard to imagine a world without copper. We rely on copper for power, lighting, heating, communications, water supply and transport. Copper makes our homes, schools and In this e

    get price>>
  • Sulphide LeachingMetallurgist & Mineral Processing

    Methods of leaching sulphide ores can be: in absence of oxidizing agents in presence of oxidizing agents Bacterial leaching Absence of oxidizing agents Acid leaching: Dilute acids dissolve some metal sulphides with liberation of

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  • Process for non ferrous metals production from complex

    Process for non ferrous metals production from complex sulphide ores containing copper, lead, zinc, silver and/or gold Download PDF Info Publication number Prior art keywords lead zinc solution extraction copper Prior art date

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  • Recovery of copper and zinc from complex chloride

    7· The solvent extraction separation and recovery of copper and zinc from complex chloride liquors; e.g. those resulting from the low temperature chlorination and leach of a copper lead zinc sulphide ore or concentrate; are

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  • Hydrometallurgical recovery of copper nickel or zinc

    6· Hydrometallurgical recovery of copper nickel or zinc from sulphide ores by oxidation in ammoniacal chloride or nitrate solutions United States Patent 3927170 Abstract: A process for the ammoniacal leaching of sulphide ores or

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  • pyro metallurgical extraction of copper from sulfide ores

    pyro metallurgical extraction of copper from sulfide ores The extraction of copper from its ores . . Covellite, the cupric sulfide, is less stable chemically than chalcocite, the cuprous sulfide. . amount of the feed to pyrometallurgical

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  • COPPER EXTRACTION FROM CHLORIDE SOLUTION BY

    5· INTRODUCTION In the 1980's ICI patented and developed a new reagent called ACORGA CLX 50 and an associated process called CUPREX for copper extraction from chloride solutions 1 3 Dalton, R. F., Price, R., Quan, P. M.

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  • Patent US6455019Process for the extraction of copper

    4· A process for the extraction of copper from a sulphide copper ore or concentrate, comprising the steps of: subjecting the ore or concentrate to pressure oxidation in the presence of oxygen and an acidic solution containing halide

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  • Patent WO2008139412A1Producing a metal like zinc

    PRODUCING A METAL LIKE ZINC FROM SULPHIDE ORES BY CHLORIDE LEACHING AND ELECTROWINNING BACKGROUND OF THE INVENTION The invention provides a process for producing a metal from sulphide ores. One

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