AR049618A1 - METHOD FOR RECOVERING METALLIC COPPER THROUGH HYDROMETALURGICAL REDUCTION OF COPPER OXIDE (I) - Google Patents

METHOD FOR RECOVERING METALLIC COPPER THROUGH HYDROMETALURGICAL REDUCTION OF COPPER OXIDE (I)

Info

Publication number
AR049618A1
AR049618A1 ARP050100685A ARP050100685A AR049618A1 AR 049618 A1 AR049618 A1 AR 049618A1 AR P050100685 A ARP050100685 A AR P050100685A AR P050100685 A ARP050100685 A AR P050100685A AR 049618 A1 AR049618 A1 AR 049618A1
Authority
AR
Argentina
Prior art keywords
copper
chloride
solution
alkali
hydrometalurgical
Prior art date
Application number
ARP050100685A
Other languages
Spanish (es)
Original Assignee
Outokumpu Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Outokumpu Oy filed Critical Outokumpu Oy
Publication of AR049618A1 publication Critical patent/AR049618A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0065—Leaching or slurrying
    • C22B15/0067—Leaching or slurrying with acids or salts thereof
    • C22B15/0069—Leaching or slurrying with acids or salts thereof containing halogen
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0084—Treating solutions
    • C22B15/0089—Treating solutions by chemical methods
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B15/00—Obtaining copper
    • C22B15/0063—Hydrometallurgy
    • C22B15/0084—Treating solutions
    • C22B15/0089—Treating solutions by chemical methods
    • C22B15/0093—Treating solutions by chemical methods by gases, e.g. hydrogen or hydrogen sulfide
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases

Abstract

La presente se refiere a un método para la produccion de cobre metálico con relacion a la produccion de cobre hidrometalurgica en base a cloruro. En este método, el material en bruto de cobre es lixiviado utilizando una solucion de cloruro de cobre (II) -cloruro de álcali para obtener una solucion de cloruro de cobre (I). El cobre es precipitado a partir de la solucion como oxido de cobre (I) y la solucion de cloruro de álcali que se forma es dirigida a electrolisis de cloro-álcali para producir el cloro, hidroxido de álcali e hidrogeno requeridos en lixiviacion de material en bruto y la recuperacion de cobre. El cobre metálico se prepara a partir de oxido de cobre (I) desproporcionando el mismo mediante el uso de un oxácido en cobre metálico y la sal divalente del oxácido, que a su vez se reduce con hidrogeno en cobre metálico.This refers to a method for the production of metallic copper in relation to the production of hydrometallurgical copper based on chloride. In this method, the raw copper material is leached using a solution of copper (II) chloride - alkali chloride to obtain a solution of copper (I) chloride. The copper is precipitated from the solution as copper oxide (I) and the alkali chloride solution that is formed is directed to chlorine-alkali electrolysis to produce the chlorine, alkali hydroxide and hydrogen required in leaching of material in Gross and copper recovery. Metallic copper is prepared from copper oxide (I) by disproportioning it by using an oxyacid in metallic copper and the divalent salt of the oxidic acid, which in turn is reduced with hydrogen in metallic copper.

ARP050100685A 2004-02-26 2005-02-24 METHOD FOR RECOVERING METALLIC COPPER THROUGH HYDROMETALURGICAL REDUCTION OF COPPER OXIDE (I) AR049618A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20040297A FI117710B (en) 2004-02-26 2004-02-26 Production of metallic copper by hydrometallurgical reduction of copper (I) oxide

Publications (1)

Publication Number Publication Date
AR049618A1 true AR049618A1 (en) 2006-08-23

Family

ID=31725773

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP050100685A AR049618A1 (en) 2004-02-26 2005-02-24 METHOD FOR RECOVERING METALLIC COPPER THROUGH HYDROMETALURGICAL REDUCTION OF COPPER OXIDE (I)

Country Status (4)

Country Link
AR (1) AR049618A1 (en)
FI (1) FI117710B (en)
PE (1) PE20060031A1 (en)
WO (1) WO2005083132A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119439B (en) * 2007-04-13 2008-11-14 Outotec Oyj Method and apparatus for reducing copper (I) oxide
AP2636A (en) * 2007-07-12 2013-04-05 Cuprachem Technology Proprietary Ltd The production of copper
CL2010001399A1 (en) 2010-12-10 2012-04-20 Prokumet Spa Procedure for leaching copper oxide without using sulfuric acid comprising impregnating the copper oxide with non-contaminating organic tricarboxylic acid leaching agent (c6h8o7) and water with pH 1.0 to 5.0, optionally re-leaching and obtaining copper citrate concentrated.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200545B (en) * 1964-08-12 1965-09-09 Duisburger Kupferhuette Process for the extraction of finely divided copper powder
JPS619530A (en) * 1984-06-26 1986-01-17 Mitsubishi Heavy Ind Ltd Manufacture of pure copper by recovery
FI104837B (en) * 1997-08-29 2000-04-14 Outokumpu Oy Process for Hydrometallurgical Copper Production

Also Published As

Publication number Publication date
PE20060031A1 (en) 2006-02-23
WO2005083132A1 (en) 2005-09-09
FI20040297A0 (en) 2004-02-26
FI20040297A (en) 2005-08-27
FI117710B (en) 2007-01-31

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