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ES2087427T3 - Procedimiento para calcinar mineral aurifero refractario. - Google Patents

Procedimiento para calcinar mineral aurifero refractario.

Info

Publication number
ES2087427T3
ES2087427T3 ES92200288T ES92200288T ES2087427T3 ES 2087427 T3 ES2087427 T3 ES 2087427T3 ES 92200288 T ES92200288 T ES 92200288T ES 92200288 T ES92200288 T ES 92200288T ES 2087427 T3 ES2087427 T3 ES 2087427T3
Authority
ES
Spain
Prior art keywords
mineral
procedure
refractory
aurifero
calcinate
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 - Lifetime
Application number
ES92200288T
Other languages
English (en)
Inventor
Arno Dr Fitting
Martin Hirsch
Hans-H 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.)
GEA Group 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 ES2087427T3 publication Critical patent/ES2087427T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

LA INVENCION TRATA DE UN PROCEDIMIENTO PARA CALCINAR MINERALES AURIFEROS REFRACTARIOS QUE CONSISTE EN CALCINAR EL MINERAL CON UNA MEZCLA DE GAS Y OXIGENO A UNA TEMPERATURA DE 500 Y 750 C EN UN LECHO FLUIDIZADO CIRCULANTE, CARACTERIZANDOSE PORQUE EL GAS LICUADO SE CONDUCE AL REACTOR CON UNA VELOCIDAD DE 30 A 200 M/SEG Y LA TEMPERATURA EN LA ZONA INFERIOR DEL LECHO DEL REACTOR, SE AJUSTA ENTRE 4 Y 30 C POR ENCIMA DE LA TEMPERATURA DE LA ZONA SUPERIOR DEL LECHO FLUIDIZADO.
ES92200288T 1991-02-09 1992-02-03 Procedimiento para calcinar mineral aurifero refractario. Expired - Lifetime ES2087427T3 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES2087427T3 true ES2087427T3 (es) 1996-07-16

Family

ID=6424724

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92200288T Expired - Lifetime ES2087427T3 (es) 1991-02-09 1992-02-03 Procedimiento para calcinar mineral aurifero refractario.

Country Status (8)

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

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 (de) * 1993-09-01 1994-08-18 Metallgesellschaft Ag Verfahren zum Rösten refraktärer Golderze
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 (de) * 1997-05-07 2000-09-07 Metallgesellschaft Ag Verfahren zur Einstellung einer zirkulierenden Wirbelschicht
AUPP208498A0 (en) * 1998-03-02 1998-03-26 Arton (No 001) Pty Ltd Gold recovery process
DE10260738A1 (de) 2002-12-23 2004-07-15 Outokumpu Oyj Verfahren und Anlage zur Förderung von feinkörnigen Feststoffen
DE10260734B4 (de) 2002-12-23 2005-05-04 Outokumpu Oyj Verfahren und Anlage zur Herstellung von Schwelkoks
DE10260739B3 (de) 2002-12-23 2004-09-16 Outokumpu Oy Verfahren und Anlage zur Herstellung von Metalloxid aus Metallverbindungen
DE10260737B4 (de) 2002-12-23 2005-06-30 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von titanhaltigen Feststoffen
DE10260733B4 (de) 2002-12-23 2010-08-12 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260731B4 (de) 2002-12-23 2005-04-14 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen
DE10260741A1 (de) 2002-12-23 2004-07-08 Outokumpu Oyj Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen
DE102015107435A1 (de) * 2015-05-12 2016-11-17 Outotec (Finland) Oy Verfahren zur partiellen Röstung von kupfer- und/ oder goldhaltigen Konzentraten
DE102019209044A1 (de) * 2019-06-21 2020-12-24 Litherm Technologies GmbH Verfahren und vorrichtung zur herstellung gebrannter endprodukte aus natürlichen, karbonathaltigen körnigen stoffen als edukt
ES2914872T3 (es) 2019-06-21 2022-06-17 Litherm Tech Gmbh Procedimiento y aparato para la fabricación de productos finales calcinados a partir de materiales granulares que contienen carbonato natural como educto
DE102019209043A1 (de) * 2019-06-21 2020-12-24 Litherm Technologies GmbH Verfahren zur herstellung gebrannter endprodukte aus natürlichen, karbonathaltigen, körnigen stoffen als edukt sowie vorrichtung zur durchführung dieses verfahrens

Family Cites Families (4)

* 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
DE2624302C2 (de) * 1976-05-31 1987-04-23 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Durchführung exothermer Prozesse
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
AU1076992A (en) 1992-08-13
DE4103965C1 (es) 1992-04-09
EP0501542B1 (de) 1996-05-15
EP0501542A1 (de) 1992-09-02
CA2060878A1 (en) 1992-08-10
ZA92946B (en) 1993-08-10
AU643870B2 (en) 1993-11-25
DE59206264D1 (de) 1996-06-20
BR9200431A (pt) 1992-10-13
OA09588A (en) 1993-04-30
CA2060878C (en) 2003-01-28

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