EP2906732A4 - Gold recovery from refractory ores and concentrates - Google Patents

Gold recovery from refractory ores and concentrates

Info

Publication number
EP2906732A4
EP2906732A4 EP13844604.2A EP13844604A EP2906732A4 EP 2906732 A4 EP2906732 A4 EP 2906732A4 EP 13844604 A EP13844604 A EP 13844604A EP 2906732 A4 EP2906732 A4 EP 2906732A4
Authority
EP
European Patent Office
Prior art keywords
concentrates
gold recovery
refractory ores
ores
refractory
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP13844604.2A
Other languages
German (de)
French (fr)
Other versions
EP2906732A1 (en
Inventor
Karel John Osten
Christopher Andrew Fleming
Mirco Nolte
Konstantin Vasilev Petkov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from AU2012904432A external-priority patent/AU2012904432A0/en
Application filed by Individual filed Critical Individual
Publication of EP2906732A1 publication Critical patent/EP2906732A1/en
Publication of EP2906732A4 publication Critical patent/EP2906732A4/en
Withdrawn legal-status Critical Current

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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • 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
    • 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
    • C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP13844604.2A 2012-10-10 2013-10-10 Gold recovery from refractory ores and concentrates Withdrawn EP2906732A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012904432A AU2012904432A0 (en) 2012-10-10 Enhanced gold recovery from refractory ores
PCT/AU2013/001169 WO2014056034A1 (en) 2012-10-10 2013-10-10 Gold recovery from refractory ores and concentrates

Publications (2)

Publication Number Publication Date
EP2906732A1 EP2906732A1 (en) 2015-08-19
EP2906732A4 true EP2906732A4 (en) 2016-08-17

Family

ID=50476781

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13844604.2A Withdrawn EP2906732A4 (en) 2012-10-10 2013-10-10 Gold recovery from refractory ores and concentrates

Country Status (3)

Country Link
EP (1) EP2906732A4 (en)
CA (1) CA2887675A1 (en)
WO (1) WO2014056034A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11408053B2 (en) 2015-04-21 2022-08-09 Excir Works Corp. Methods for selective leaching and extraction of precious metals in organic solvents
CA2994578C (en) * 2016-04-28 2018-11-27 Eldorado Gold Corporation Hydrometallurgical method for silver recovery
AU2016404815B2 (en) * 2016-04-28 2019-08-01 Eldorado Gold Corporation Method for reducing arsenic content in arsenic-bearing gold material
CN106282595B (en) * 2016-10-08 2017-08-18 沈阳金丰石化物资贸易有限公司 Exploitation of gold deposit and processing method
RU2637203C1 (en) * 2016-12-26 2017-11-30 Акционерное общество "Золотодобывающая компания "Полюс" Method of processing sulfide gold-containing flotation concentrates
CN111690820A (en) * 2019-03-14 2020-09-22 北京利豪森矿业技术有限公司 Atmospheric oxygen-enriched acid leaching method for copper-containing flotation gold concentrate
CN113755693B (en) * 2021-09-10 2022-09-27 山东国大黄金股份有限公司 Method for co-processing roasting cyanidation tailings by utilizing acid making flue gas
CN114774687B (en) * 2022-04-29 2024-01-16 厦门紫金矿冶技术有限公司 Method for recovering gold and copper from oxygen-sulfur mixed copper-containing arsenic-containing refractory gold ore

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571264A (en) * 1984-09-27 1986-02-18 Sherritt Gordon Mines Limited Recovery of gold from refractory auriferous iron-containing sulphidic ore
US20060133974A1 (en) * 2004-12-22 2006-06-22 Placer Dome Technical Services Limited Reduction of lime consumption when treating refractory gold ores or concentrates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571264A (en) * 1984-09-27 1986-02-18 Sherritt Gordon Mines Limited Recovery of gold from refractory auriferous iron-containing sulphidic ore
US20060133974A1 (en) * 2004-12-22 2006-06-22 Placer Dome Technical Services Limited Reduction of lime consumption when treating refractory gold ores or concentrates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014056034A1 *

Also Published As

Publication number Publication date
CA2887675A1 (en) 2014-04-17
EP2906732A1 (en) 2015-08-19
WO2014056034A1 (en) 2014-04-17

Similar Documents

Publication Publication Date Title
EP2906732A4 (en) Gold recovery from refractory ores and concentrates
GB2567770B (en) Method for ironmaking by smelting reduction in strir-generated vortex
ZA201605034B (en) Metallurgical furnace
EP2828415A4 (en) Processes for recovering rare earth elements and rare metals
HK1210504A1 (en) Discoloration-resistant gold alloy
ZA201307693B (en) A process of gold and copper recovery from mixed oxide - sulfide copper ores
ZA201408376B (en) Method for processing slags of non-ferrous metallurgy
ZA201404609B (en) Precious metals recovery
EP2910655A4 (en) Wet-mode nickel oxide ore smelting method
ZA201501890B (en) Methods and systems for leaching a metal-bearing ore
EP2946200A4 (en) Precious metals transaction systems and methods
FI20146079A (en) Hydrometallurgical treatment process for the extraction of metals from concentrates
EP2837701A4 (en) Method for recovering chromite, and method for wet smelting of nickel oxide ore
EP2765381A4 (en) Vortex chamber body for metal melting furnace and metal melting furnace using same
CL2015000317A1 (en) Metal leaching and recovery process
ZA201407203B (en) Chloride process for the leaching of gold
EP2791373A4 (en) Separation of iron from value metals in leaching of laterite ores
ZA201407867B (en) Ore analysis system
HK1208505A1 (en) Gold recovery
PL2986747T3 (en) Precious metal recovery
EP2963132A4 (en) Method for leaching gold from gold ore containing pyrite
HK1203570A1 (en) Pyrometallurgical treatment of slags
ZA201502854B (en) Beneficiation process for low grade uranium ores
PT3088824T (en) Metallurgical furnace
EP2931925A4 (en) Method for producing matte or crude metal in a suspension smelting furnace and suspension smelting furnace

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20150501

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20160719

RIC1 Information provided on ipc code assigned before grant

Ipc: C22B 3/00 20060101ALI20160713BHEP

Ipc: C22B 11/00 20060101AFI20160713BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20170725

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200310