AU643870B2 - Process for roasting refractory gold ores - Google Patents

Process for roasting refractory gold ores

Info

Publication number
AU643870B2
AU643870B2 AU10769/92A AU1076992A AU643870B2 AU 643870 B2 AU643870 B2 AU 643870B2 AU 10769/92 A AU10769/92 A AU 10769/92A AU 1076992 A AU1076992 A AU 1076992A AU 643870 B2 AU643870 B2 AU 643870B2
Authority
AU
Australia
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
Application number
AU10769/92A
Other versions
AU1076992A (en
Inventor
Arno Fitting
Martin Hirsch
Hans-Hermann Kofalck
Bodo Peinemann
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.)
Outokumpu Oyj
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
Publication of AU1076992A publication Critical patent/AU1076992A/en
Application granted granted Critical
Publication of AU643870B2 publication Critical patent/AU643870B2/en
Assigned to OUTOKUMPU OYJ reassignment OUTOKUMPU OYJ Alteration of Name(s) in Register under S187 Assignors: METALLGESELLSCHAFT AKTIENGESELLSCHAFT
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1845—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised
    • B01J8/1863—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with particles moving upwards while fluidised followed by a downward movement outside the reactor and subsequently re-entering it
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2206/00—Fluidised bed combustion
    • F23C2206/10—Circulating fluidised bed
    • F23C2206/101—Entrained or fast fluidised bed

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Metallurgy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
AU10769/92A 1991-02-09 1992-02-07 Process for roasting refractory gold ores Expired AU643870B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4103965A DE4103965C1 (en) 1991-02-09 1991-02-09
DE4103965 1991-02-09

Publications (2)

Publication Number Publication Date
AU1076992A AU1076992A (en) 1992-08-13
AU643870B2 true AU643870B2 (en) 1993-11-25

Family

ID=6424724

Family Applications (1)

Application Number Title Priority Date Filing Date
AU10769/92A Expired AU643870B2 (en) 1991-02-09 1992-02-07 Process for roasting refractory gold ores

Country Status (8)

Country Link
EP (1) EP0501542B1 (en)
AU (1) AU643870B2 (en)
BR (1) BR9200431A (en)
CA (1) CA2060878C (en)
DE (2) DE4103965C1 (en)
ES (1) ES2087427T3 (en)
OA (1) OA09588A (en)
ZA (1) ZA92946B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA926237B (en) * 1991-09-25 1993-03-03 Bhp Utah Int Inc Sulfide roasting with lime.
US5380504A (en) * 1993-04-23 1995-01-10 Fuller Company Treatment of gold bearing ore
DE4329417C1 (en) * 1993-09-01 1994-08-18 Metallgesellschaft Ag Process for roasting refractory gold ores
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
DE19719481C2 (en) 1997-05-07 2000-09-07 Metallgesellschaft Ag Process for setting a circulating fluidized bed
AUPP208498A0 (en) * 1998-03-02 1998-03-26 Arton (No 001) Pty Ltd Gold recovery process
DE10260738A1 (en) 2002-12-23 2004-07-15 Outokumpu Oyj Process and plant for conveying fine-grained solids
DE10260741A1 (en) 2002-12-23 2004-07-08 Outokumpu Oyj Process and plant for the heat treatment of fine-grained solids
DE10260733B4 (en) 2002-12-23 2010-08-12 Outokumpu Oyj Process and plant for the heat treatment of iron oxide-containing solids
DE10260734B4 (en) 2002-12-23 2005-05-04 Outokumpu Oyj Process and plant for the production of carbon coke
DE10260737B4 (en) 2002-12-23 2005-06-30 Outokumpu Oyj Process and plant for the heat treatment of titanium-containing solids
DE10260739B3 (en) 2002-12-23 2004-09-16 Outokumpu Oy Process and plant for producing metal oxide from metal compounds
DE10260731B4 (en) 2002-12-23 2005-04-14 Outokumpu Oyj Process and plant for the heat treatment of iron oxide-containing solids
DE102015107435A1 (en) * 2015-05-12 2016-11-17 Outotec (Finland) Oy Process for the partial roasting of copper- and / or gold-containing concentrates
DE102019209043A1 (en) * 2019-06-21 2020-12-24 Litherm Technologies GmbH PROCESS FOR MANUFACTURING FIRED END PRODUCTS FROM NATURAL, CARBONATE-CONTAINING GRAINY SUBSTANCES AS EDUCT AND DEVICE FOR CARRYING OUT THIS PROCESS
DE102019209044A1 (en) * 2019-06-21 2020-12-24 Litherm Technologies GmbH PROCESS AND DEVICE FOR MANUFACTURING FIRED END PRODUCTS FROM NATURAL GRAINY MATERIALS CONTAINING CARBONATE AS EDUCT
WO2020254625A1 (en) 2019-06-21 2020-12-24 Litherm Technologies GmbH Method and device for producing fired end products from natural, carbonaceous, granular materials as starting material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596580A (en) * 1950-01-05 1952-05-13 Dorr Co Treating arsenical gold ores
US2650159A (en) * 1949-11-23 1953-08-25 Dorr Co Treating arsenical gold ores
US4919715A (en) * 1988-06-03 1990-04-24 Freeport Mcmoran Inc. Treating refractory gold ores via oxygen-enriched roasting

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2624302C2 (en) * 1976-05-31 1987-04-23 Metallgesellschaft Ag, 6000 Frankfurt Methods for carrying out exothermic processes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2650159A (en) * 1949-11-23 1953-08-25 Dorr Co Treating arsenical gold ores
US2596580A (en) * 1950-01-05 1952-05-13 Dorr Co Treating arsenical gold ores
US4919715A (en) * 1988-06-03 1990-04-24 Freeport Mcmoran Inc. Treating refractory gold ores via oxygen-enriched roasting

Also Published As

Publication number Publication date
EP0501542B1 (en) 1996-05-15
EP0501542A1 (en) 1992-09-02
CA2060878A1 (en) 1992-08-10
DE4103965C1 (en) 1992-04-09
CA2060878C (en) 2003-01-28
DE59206264D1 (en) 1996-06-20
OA09588A (en) 1993-04-30
AU1076992A (en) 1992-08-13
ZA92946B (en) 1993-08-10
ES2087427T3 (en) 1996-07-16
BR9200431A (en) 1992-10-13

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Legal Events

Date Code Title Description
PC Assignment registered

Owner name: OUTOKUMPU OYJ

Free format text: FORMER OWNER WAS: METALLGESELLSCHAFT AKTIENGESELLSCHAFT