CA2278043A1 - Method for initiating heap bioleaching of sulfidic ores - Google Patents
Method for initiating heap bioleaching of sulfidic ores Download PDFInfo
- Publication number
- CA2278043A1 CA2278043A1 CA002278043A CA2278043A CA2278043A1 CA 2278043 A1 CA2278043 A1 CA 2278043A1 CA 002278043 A CA002278043 A CA 002278043A CA 2278043 A CA2278043 A CA 2278043A CA 2278043 A1 CA2278043 A1 CA 2278043A1
- Authority
- CA
- Canada
- Prior art keywords
- initiating
- sulfidic ores
- heap
- heap bioleaching
- bioleaching
- 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.)
- Granted
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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/18—Extraction of metal compounds from ores or concentrates by wet processes with the aid of microorganisms or enzymes, e.g. bacteria or algae
-
- 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
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Biochemistry (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The process of the present invention "jump starts" heap biooxidation of sulfides by incorporating a previously biooxidized material into the heap. The process can be used to recover precious and/or base metals from sulfidic ores and concentrate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002278043A CA2278043C (en) | 1999-07-19 | 1999-07-19 | Method for initiating heap bioleaching of sulfidic ores |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002278043A CA2278043C (en) | 1999-07-19 | 1999-07-19 | Method for initiating heap bioleaching of sulfidic ores |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2278043A1 true CA2278043A1 (en) | 2001-01-19 |
CA2278043C CA2278043C (en) | 2007-04-17 |
Family
ID=4163794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002278043A Expired - Lifetime CA2278043C (en) | 1999-07-19 | 1999-07-19 | Method for initiating heap bioleaching of sulfidic ores |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2278043C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102643983A (en) * | 2012-05-23 | 2012-08-22 | 中国瑞林工程技术有限公司 | Stage-by-stage dump leaching technology for low-grade mixed copper ore |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8262768B2 (en) | 2007-09-17 | 2012-09-11 | Barrick Gold Corporation | Method to improve recovery of gold from double refractory gold ores |
US8262770B2 (en) | 2007-09-18 | 2012-09-11 | Barrick Gold Corporation | Process for controlling acid in sulfide pressure oxidation processes |
US7922788B2 (en) | 2007-09-18 | 2011-04-12 | Barrick Gold Corporation | Process for recovering gold and silver from refractory ores |
-
1999
- 1999-07-19 CA CA002278043A patent/CA2278043C/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102643983A (en) * | 2012-05-23 | 2012-08-22 | 中国瑞林工程技术有限公司 | Stage-by-stage dump leaching technology for low-grade mixed copper ore |
Also Published As
Publication number | Publication date |
---|---|
CA2278043C (en) | 2007-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request |