AR049633A1 - METHOD FOR GOLD RECOVERY - Google Patents

METHOD FOR GOLD RECOVERY

Info

Publication number
AR049633A1
AR049633A1 ARP050101714A AR049633A1 AR 049633 A1 AR049633 A1 AR 049633A1 AR P050101714 A ARP050101714 A AR P050101714A AR 049633 A1 AR049633 A1 AR 049633A1
Authority
AR
Argentina
Prior art keywords
gold
copper
chloride
raw material
intermediate product
Prior art date
Application number
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 AR049633A1 publication Critical patent/AR049633A1/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
    • C22B11/00—Obtaining noble metals
    • C22B11/04—Obtaining noble metals by wet processes
    • C22B11/042—Recovery of noble metals from waste materials
    • C22B11/044—Recovery of noble metals from waste materials from pyrometallurgical residues, e.g. from ashes, dross, flue dust, mud, skim, slag, sludge
    • 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
    • C22B11/00—Obtaining noble metals
    • C22B11/06—Chloridising
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

La presente se relaciona con un método para la recuperacion de oro a partir de un producto intermedio o residuo que contiene hierro y azufre generado en la lixiviacion de una materia prima de cobre. La recuperacion del oro como de otros metales valiosos en la materia prima tienen lugar en un ambiente de cloruro. El oro contenido en el producto intermedio o residuo es lixiviado con cobre divalente y cloro en una solucion cloruro de cobre (II)-cloruro de sodio, en condiciones donde el potencial de reduccion de oxidacion fluctua entre los 650-750 mV y el pH oscila entre 1-1.6. El ácido generado durante la alimentacion de cloro se neutraliza con un álcali adecuado. La neutralizacion evita los costos de la disolucion del hierro.This is related to a method for recovering gold from an intermediate product or residue containing iron and sulfur generated in the leaching of a copper raw material. The recovery of gold and other valuable metals in the raw material takes place in a chloride environment. The gold contained in the intermediate product or residue is leached with divalent copper and chlorine in a solution of copper (II) chloride-sodium chloride, in conditions where the oxidation reduction potential fluctuates between 650-750 mV and the pH ranges between 1-1.6. The acid generated during the chlorine feed is neutralized with a suitable alkali. Neutralization avoids the costs of dissolving iron.

ARP050101714 2004-04-30 2005-04-29 METHOD FOR GOLD RECOVERY AR049633A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20040621A FI117709B (en) 2004-04-30 2004-04-30 Procedure for the extraction of gold

Publications (1)

Publication Number Publication Date
AR049633A1 true AR049633A1 (en) 2006-08-23

Family

ID=35185129

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP050101714 AR049633A1 (en) 2004-04-30 2005-04-29 METHOD FOR GOLD RECOVERY

Country Status (12)

Country Link
US (1) US20070245856A1 (en)
EP (1) EP1740730A1 (en)
CN (1) CN1950524A (en)
AP (1) AP2006003793A0 (en)
AR (1) AR049633A1 (en)
AU (1) AU2005238241A1 (en)
BR (1) BRPI0510505A (en)
CA (1) CA2564338A1 (en)
EA (1) EA009726B1 (en)
FI (1) FI117709B (en)
PE (1) PE20060226A1 (en)
WO (1) WO2005106052A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI118302B (en) 2006-02-17 2007-09-28 Outotec Oyj Procedure for the extraction of gold
KR100787205B1 (en) 2007-06-11 2007-12-21 광해방지사업단 Method for recovering precious metal using seawater from mining waste
CN100582261C (en) * 2008-04-08 2010-01-20 昆明贵研药业有限公司 Method and device for reclaiming platinum-silver-iodine form platinum-containing silver iodide slag
FI124954B (en) * 2013-04-30 2015-04-15 Outotec Oyj A process for preparing a solution containing gold and a process arrangement for recovering gold and silver
MX2018005014A (en) 2015-10-29 2018-08-01 Outotec Finland Oy Method for recovering gold.
CN105969990A (en) * 2016-06-20 2016-09-28 昆山鸿福泰环保科技有限公司 Method for adsorbing and recovering gold in activated carbon method
PL3822374T3 (en) * 2019-11-18 2024-01-29 Heraeus Deutschland GmbH & Co. KG Method for recovering pure metal
EP4200452A1 (en) * 2020-08-18 2023-06-28 Enviro Metals, LLC Metal refinement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4551213A (en) * 1984-05-07 1985-11-05 Duval Corporation Recovery of gold
AP538A (en) * 1992-06-26 1996-09-18 Intec Pty Ltd Production of metal from minerals
US5542957A (en) * 1995-01-27 1996-08-06 South Dakota School Of Mines And Technology Recovery of platinum group metals and rhenium from materials using halogen reagents
FI113667B (en) * 2002-04-23 2004-05-31 Outokumpu Oy Method for recovering gold

Also Published As

Publication number Publication date
AU2005238241A1 (en) 2005-11-10
FI117709B (en) 2007-01-31
EA200601774A1 (en) 2007-04-27
CA2564338A1 (en) 2005-11-10
CN1950524A (en) 2007-04-18
EA009726B1 (en) 2008-02-28
PE20060226A1 (en) 2006-04-25
FI20040621A (en) 2005-10-31
EP1740730A1 (en) 2007-01-10
AP2006003793A0 (en) 2006-10-31
US20070245856A1 (en) 2007-10-25
BRPI0510505A (en) 2007-10-30
WO2005106052A1 (en) 2005-11-10

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