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DE59405354D1 - Process for roasting refractory gold ores - Google Patents

Process for roasting refractory gold ores

Info

Publication number
DE59405354D1
DE59405354D1 DE59405354T DE59405354T DE59405354D1 DE 59405354 D1 DE59405354 D1 DE 59405354D1 DE 59405354 T DE59405354 T DE 59405354T DE 59405354 T DE59405354 T DE 59405354T DE 59405354 D1 DE59405354 D1 DE 59405354D1
Authority
DE
Germany
Prior art keywords
gold ores
refractory gold
roasting refractory
roasting
ores
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.)
Expired - Fee Related
Application number
DE59405354T
Other languages
German (de)
Inventor
Hans-Hermann Kofalck
Gurudas Dr Samant
Peter Sturm
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.)
MG Technologies AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Application granted granted Critical
Publication of DE59405354D1 publication Critical patent/DE59405354D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • C22B1/06Sulfating roasting
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B1/00Preliminary treatment of ores or scrap
    • C22B1/02Roasting processes
    • C22B1/10Roasting processes in fluidised form

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Catalysts (AREA)
DE59405354T 1993-09-01 1994-08-05 Process for roasting refractory gold ores Expired - Fee Related DE59405354D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4329417A DE4329417C1 (en) 1993-09-01 1993-09-01 Process for roasting refractory gold ores

Publications (1)

Publication Number Publication Date
DE59405354D1 true DE59405354D1 (en) 1998-04-09

Family

ID=6496516

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4329417A Expired - Lifetime DE4329417C1 (en) 1993-09-01 1993-09-01 Process for roasting refractory gold ores
DE59405354T Expired - Fee Related DE59405354D1 (en) 1993-09-01 1994-08-05 Process for roasting refractory gold ores

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4329417A Expired - Lifetime DE4329417C1 (en) 1993-09-01 1993-09-01 Process for roasting refractory gold ores

Country Status (6)

Country Link
EP (1) EP0641864B1 (en)
AU (1) AU672715B2 (en)
DE (2) DE4329417C1 (en)
ES (1) ES2113050T3 (en)
PE (1) PE11195A1 (en)
ZA (1) ZA946709B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6482373B1 (en) 1991-04-12 2002-11-19 Newmont Usa Limited Process for treating ore having recoverable metal values including arsenic containing components
DE4314231A1 (en) * 1993-04-30 1994-11-03 Metallgesellschaft Ag Process for roasting refractory gold ores
DE19546538A1 (en) * 1995-12-13 1997-06-19 Metallgesellschaft Ag Process for the thermal treatment of refractory gold ores
WO1998008989A1 (en) * 1996-08-27 1998-03-05 Emr Microwave Technology Corporation Method for microwave induced oxidation of sulphidic ore material in fluidized bed without sulphur dioxide emissions
US5972302A (en) * 1996-08-27 1999-10-26 Emr Microwave Technology Corporation Method for the microwave induced oxidation of pyritic ores without the production of sulphur dioxide
AUPQ078399A0 (en) * 1999-06-04 1999-06-24 Tox Free Systems Limited Recovery of gold from gold sulphides
EP1327693A1 (en) * 2002-01-12 2003-07-16 Alexander Beckmann Process for extracting cobalt and nickel from ores and ore concentrates
DE50202650D1 (en) 2001-09-14 2005-05-04 Alexander Beckmann METHOD OF OBTAINING COBALT AND NICKEL FROM OINTERS AND INCENTRATES
RU2224805C1 (en) * 2002-06-20 2004-02-27 Швецов Владимир Алексеевич Method of preliminary roasting of sulfide ores and gold- and-silver containing products of their processing in assaying
RU2245931C1 (en) * 2003-10-01 2005-02-10 Амурский научный центр Дальневосточного отделения Российской академии наук Gold content determination in gold-containing raw material
RU2365644C1 (en) * 2008-02-18 2009-08-27 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" Method of identification of noble metals in sulfide ores and their processing products
RU2443790C1 (en) * 2010-07-01 2012-02-27 Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" Method for determining content of precious metals in ores and their derivatives
WO2014127808A1 (en) 2013-02-20 2014-08-28 Outotec (Finland) Oy Process and plant for producing copper and/or cobalt sulfate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103965C1 (en) * 1991-02-09 1992-04-09 Metallgesellschaft Ag, 6000 Frankfurt, De
DE69225993T2 (en) * 1991-04-12 1998-12-10 Metallgesellschaft Ag, 60323 Frankfurt Process for treating ore with recoverable metal materials, including arsenic-containing components
US5123956A (en) * 1991-04-12 1992-06-23 Newmont Mining Corporation Process for treating ore having recoverable gold values and including arsenic-, carbon- and sulfur-containing components by roasting in an oxygen-enriched gaseous atmosphere

Also Published As

Publication number Publication date
EP0641864A1 (en) 1995-03-08
PE11195A1 (en) 1995-05-06
ZA946709B (en) 1995-04-21
EP0641864B1 (en) 1998-03-04
AU672715B2 (en) 1996-10-10
AU7158394A (en) 1995-03-16
ES2113050T3 (en) 1998-04-16
DE4329417C1 (en) 1994-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MG TECHNOLOGIES AG, 60325 FRANKFURT, DE

8339 Ceased/non-payment of the annual fee