BR9611943A - Process for heat treatment of refractory gold ores - Google Patents
Process for heat treatment of refractory gold oresInfo
- Publication number
- BR9611943A BR9611943A BR9611943A BR9611943A BR9611943A BR 9611943 A BR9611943 A BR 9611943A BR 9611943 A BR9611943 A BR 9611943A BR 9611943 A BR9611943 A BR 9611943A BR 9611943 A BR9611943 A BR 9611943A
- Authority
- BR
- Brazil
- Prior art keywords
- heat treatment
- gold ores
- refractory gold
- refractory
- ores
- Prior art date
Links
Classifications
-
- 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
-
- 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
- C22B1/06—Sulfating roasting
-
- 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
-
- 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
- C22B11/00—Obtaining noble metals
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Catalysts (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1995146538 DE19546538A1 (en) | 1995-12-13 | 1995-12-13 | Process for the thermal treatment of refractory gold ores |
PCT/EP1996/005453 WO1997021842A1 (en) | 1995-12-13 | 1996-12-05 | Process for thermal treatment of refractory gold ores |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9611943A true BR9611943A (en) | 1999-04-06 |
Family
ID=7780011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9611943A BR9611943A (en) | 1995-12-13 | 1996-12-05 | Process for heat treatment of refractory gold ores |
Country Status (6)
Country | Link |
---|---|
BR (1) | BR9611943A (en) |
DE (1) | DE19546538A1 (en) |
EA (1) | EA000477B1 (en) |
MX (1) | MX9603252A (en) |
PE (1) | PE85798A1 (en) |
WO (1) | WO1997021842A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPQ078399A0 (en) * | 1999-06-04 | 1999-06-24 | Tox Free Systems Limited | Recovery of gold from gold sulphides |
CN102051491B (en) * | 2010-11-19 | 2012-10-24 | 中南大学 | Method for concentrating gold from pyrite inclusion-type gold ore |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB475254A (en) * | 1937-04-23 | 1937-11-16 | Mij Voor Zwavelzuurbereiding V | A process for extracting metals from oxidic ores and the like |
GB677050A (en) * | 1949-11-23 | 1952-08-06 | Dorr Co | Roasting of arsenopyrite gold-bearing ores |
GB682718A (en) * | 1950-03-21 | 1952-11-12 | Dorr Co | Process for the heat treatment of ores |
US4289529A (en) * | 1978-10-10 | 1981-09-15 | Hazen Research, Inc. | Process for beneficiating sulfide ores |
FI89508C (en) * | 1990-12-17 | 1993-10-11 | Ahlstroem Oy | FOERFARANDE FOER ROSTNING AV SULFIDISKA MALMER |
EP0508542B1 (en) * | 1991-04-12 | 1998-06-24 | METALLGESELLSCHAFT Aktiengesellschaft | 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 |
DE4329417C1 (en) * | 1993-09-01 | 1994-08-18 | Metallgesellschaft Ag | Process for roasting refractory gold ores |
-
1995
- 1995-12-13 DE DE1995146538 patent/DE19546538A1/en not_active Withdrawn
-
1996
- 1996-08-07 PE PE00059096A patent/PE85798A1/en not_active Application Discontinuation
- 1996-08-07 MX MX9603252A patent/MX9603252A/en unknown
- 1996-12-05 BR BR9611943A patent/BR9611943A/en not_active Application Discontinuation
- 1996-12-05 EA EA199800550A patent/EA000477B1/en not_active IP Right Cessation
- 1996-12-05 WO PCT/EP1996/005453 patent/WO1997021842A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
PE85798A1 (en) | 1999-01-23 |
WO1997021842A1 (en) | 1997-06-19 |
EA199800550A1 (en) | 1998-12-24 |
DE19546538A1 (en) | 1997-06-19 |
EA000477B1 (en) | 1999-08-26 |
MX9603252A (en) | 1997-06-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA10 | Dismissal: dismissal - article 33 of industrial property law |