CA2060878C - Process of roasting refractory gold ores - Google Patents
Process of roasting refractory gold ores Download PDFInfo
- Publication number
- CA2060878C CA2060878C CA002060878A CA2060878A CA2060878C CA 2060878 C CA2060878 C CA 2060878C CA 002060878 A CA002060878 A CA 002060878A CA 2060878 A CA2060878 A CA 2060878A CA 2060878 C CA2060878 C CA 2060878C
- Authority
- CA
- Canada
- Prior art keywords
- fluidized bed
- reactor
- fed
- sulfur
- solids
- 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
Links
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 239000010931 gold Substances 0.000 title claims abstract description 26
- 229910052737 gold Inorganic materials 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 25
- 239000007789 gas Substances 0.000 claims abstract description 50
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 18
- 239000001301 oxygen Substances 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims description 29
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 25
- 229910052717 sulfur Inorganic materials 0.000 claims description 22
- 239000011593 sulfur Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 18
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims 3
- 244000287680 Garcinia dulcis Species 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 235000008504 concentrate Nutrition 0.000 description 8
- 239000012141 concentrate Substances 0.000 description 8
- 238000002386 leaching Methods 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000011028 pyrite Substances 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- 229910052683 pyrite Inorganic materials 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010459 dolomite Substances 0.000 description 1
- 229910000514 dolomite Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
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)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Metallurgy (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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4103965.3 | 1991-02-09 | ||
| DE4103965A DE4103965C1 (OSRAM) | 1991-02-09 | 1991-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2060878A1 CA2060878A1 (en) | 1992-08-10 |
| CA2060878C true CA2060878C (en) | 2003-01-28 |
Family
ID=6424724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002060878A Expired - Lifetime CA2060878C (en) | 1991-02-09 | 1992-02-07 | Process of roasting refractory gold ores |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0501542B1 (OSRAM) |
| AU (1) | AU643870B2 (OSRAM) |
| BR (1) | BR9200431A (OSRAM) |
| CA (1) | CA2060878C (OSRAM) |
| DE (2) | DE4103965C1 (OSRAM) |
| ES (1) | ES2087427T3 (OSRAM) |
| OA (1) | OA09588A (OSRAM) |
| ZA (1) | ZA92946B (OSRAM) |
Families Citing this family (17)
| 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 |
| DE10260734B4 (de) | 2002-12-23 | 2005-05-04 | Outokumpu Oyj | Verfahren und Anlage zur Herstellung von Schwelkoks |
| DE10260738A1 (de) | 2002-12-23 | 2004-07-15 | Outokumpu Oyj | Verfahren und Anlage zur Förderung von feinkörnigen Feststoffen |
| DE10260733B4 (de) | 2002-12-23 | 2010-08-12 | 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 |
| 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 |
| DE10260731B4 (de) | 2002-12-23 | 2005-04-14 | Outokumpu Oyj | Verfahren und Anlage zur Wärmebehandlung von eisenoxidhaltigen Feststoffen |
| DE102015107435A1 (de) * | 2015-05-12 | 2016-11-17 | Outotec (Finland) Oy | Verfahren zur partiellen Röstung von kupfer- und/ oder goldhaltigen Konzentraten |
| 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 |
| EP3799592B1 (de) | 2019-06-21 | 2022-04-13 | Litherm Technologies Gmbh | Verfahren und vorrichtung zur herstellung gebrannter endprodukte aus natürlichen, karbonathaltigen, körnigen stoffen als edukt |
| 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 |
Family Cites Families (4)
| 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 |
-
1991
- 1991-02-09 DE DE4103965A patent/DE4103965C1/de not_active Expired - Lifetime
-
1992
- 1992-02-03 EP EP92200288A patent/EP0501542B1/de not_active Expired - Lifetime
- 1992-02-03 ES ES92200288T patent/ES2087427T3/es not_active Expired - Lifetime
- 1992-02-03 DE DE59206264T patent/DE59206264D1/de not_active Expired - Fee Related
- 1992-02-07 CA CA002060878A patent/CA2060878C/en not_active Expired - Lifetime
- 1992-02-07 AU AU10769/92A patent/AU643870B2/en not_active Expired
- 1992-02-07 OA OA60144A patent/OA09588A/en unknown
- 1992-02-07 BR BR929200431A patent/BR9200431A/pt not_active IP Right Cessation
- 1992-02-10 ZA ZA92946A patent/ZA92946B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE4103965C1 (OSRAM) | 1992-04-09 |
| DE59206264D1 (de) | 1996-06-20 |
| ES2087427T3 (es) | 1996-07-16 |
| AU1076992A (en) | 1992-08-13 |
| OA09588A (en) | 1993-04-30 |
| BR9200431A (pt) | 1992-10-13 |
| AU643870B2 (en) | 1993-11-25 |
| ZA92946B (en) | 1993-08-10 |
| CA2060878A1 (en) | 1992-08-10 |
| EP0501542A1 (de) | 1992-09-02 |
| EP0501542B1 (de) | 1996-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |