OA09588A - Process of roasting refractory gold ores - Google Patents

Process of roasting refractory gold ores

Info

Publication number
OA09588A
OA09588A OA60144A OA60144A OA09588A OA 09588 A OA09588 A OA 09588A OA 60144 A OA60144 A OA 60144A OA 60144 A OA60144 A OA 60144A OA 09588 A OA09588 A OA 09588A
Authority
OA
OAPI
Prior art keywords
gold ores
refractory gold
roasting refractory
roasting
ores
Prior art date
Application number
OA60144A
Inventor
Arno Fitting
Martin Hirsch
Hans-Hermann Kofalck
Bodo Peinemann
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 OA09588A publication Critical patent/OA09588A/en

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
OA60144A 1991-02-09 1992-02-07 Process of roasting refractory gold ores OA09588A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
OA09588A true OA09588A (en) 1993-04-30

Family

ID=6424724

Family Applications (1)

Application Number Title Priority Date Filing Date
OA60144A OA09588A (en) 1991-02-09 1992-02-07 Process of 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
DE10260731B4 (en) 2002-12-23 2005-04-14 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
DE10260738A1 (en) 2002-12-23 2004-07-15 Outokumpu Oyj Process and plant for conveying fine-grained solids
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
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
DE102015107435A1 (en) * 2015-05-12 2016-11-17 Outotec (Finland) Oy Process for the partial roasting of copper- and / or gold-containing concentrates
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
EP3799592B1 (en) 2019-06-21 2022-04-13 Litherm Technologies Gmbh Method and device for producing fired end products from natural, carbonaceous, granular materials as starting material
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

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
DE2624302A1 (en) * 1976-05-31 1977-12-22 Metallgesellschaft Ag PROCEDURE FOR CARRYING OUT EXOTHERMAL PROCESSES
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
CA2060878C (en) 2003-01-28
EP0501542B1 (en) 1996-05-15
AU643870B2 (en) 1993-11-25
CA2060878A1 (en) 1992-08-10
DE59206264D1 (en) 1996-06-20
EP0501542A1 (en) 1992-09-02
BR9200431A (en) 1992-10-13
ZA92946B (en) 1993-08-10
ES2087427T3 (en) 1996-07-16
AU1076992A (en) 1992-08-13
DE4103965C1 (en) 1992-04-09

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