CA2553548A1 - A method of recovering metal values from refractory sulphide ores and concentrates - Google Patents
A method of recovering metal values from refractory sulphide ores and concentrates Download PDFInfo
- Publication number
- CA2553548A1 CA2553548A1 CA002553548A CA2553548A CA2553548A1 CA 2553548 A1 CA2553548 A1 CA 2553548A1 CA 002553548 A CA002553548 A CA 002553548A CA 2553548 A CA2553548 A CA 2553548A CA 2553548 A1 CA2553548 A1 CA 2553548A1
- Authority
- CA
- Canada
- Prior art keywords
- ore
- concentrate
- alkaline solution
- pulp
- treated
- 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.)
- Abandoned
Links
- 239000012141 concentrate Substances 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 66
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000012670 alkaline solution Substances 0.000 claims abstract description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 45
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 32
- 239000010931 gold Substances 0.000 claims description 32
- 229910052737 gold Inorganic materials 0.000 claims description 32
- 239000011236 particulate material Substances 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 18
- 238000002386 leaching Methods 0.000 claims description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000003002 pH adjusting agent Substances 0.000 claims description 9
- 238000000227 grinding Methods 0.000 claims description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 claims description 3
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 3
- 239000003513 alkali Substances 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 3
- 238000001238 wet grinding Methods 0.000 claims description 3
- 238000011084 recovery Methods 0.000 description 17
- 238000012360 testing method Methods 0.000 description 10
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229910052964 arsenopyrite Inorganic materials 0.000 description 1
- MJLGNAGLHAQFHV-UHFFFAOYSA-N arsenopyrite Chemical compound [S-2].[Fe+3].[As-] MJLGNAGLHAQFHV-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052960 marcasite Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 229910052958 orpiment Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 229910052957 realgar Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052959 stibnite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IHBMMJGTJFPEQY-UHFFFAOYSA-N sulfanylidene(sulfanylidenestibanylsulfanyl)stibane Chemical compound S=[Sb]S[Sb]=S IHBMMJGTJFPEQY-UHFFFAOYSA-N 0.000 description 1
- 239000004291 sulphur dioxide Substances 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- C22B1/11—Removing sulfur, phosphorus or arsenic other than by 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
-
- 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
- C22B11/04—Obtaining noble metals by wet 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
- C22B11/00—Obtaining noble metals
- C22B11/08—Obtaining noble metals by cyaniding
-
- 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
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/12—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic alkaline solutions
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA2003/9970 | 2003-12-23 | ||
| ZA200309970 | 2003-12-23 | ||
| PCT/IB2004/003972 WO2005064023A1 (en) | 2003-12-23 | 2004-12-03 | A method of recovering metal values from refractory sulphide ores and concentrates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2553548A1 true CA2553548A1 (en) | 2005-07-14 |
Family
ID=34740243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002553548A Abandoned CA2553548A1 (en) | 2003-12-23 | 2004-12-03 | A method of recovering metal values from refractory sulphide ores and concentrates |
Country Status (6)
| Country | Link |
|---|---|
| AP (1) | AP2106A (ru) |
| AU (1) | AU2004309162B2 (ru) |
| CA (1) | CA2553548A1 (ru) |
| EA (1) | EA011927B1 (ru) |
| WO (1) | WO2005064023A1 (ru) |
| ZA (1) | ZA200501060B (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593583A (zh) * | 2014-12-24 | 2015-05-06 | 中国科学院地球化学研究所 | 一种卡林型难浸金矿石的湿法预处理方法 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5554285B2 (ja) * | 2011-03-30 | 2014-07-23 | Ｊｘ日鉱日石金属株式会社 | 金の浸出方法 |
| CN104694764B (zh) * | 2015-03-09 | 2016-08-24 | 中南大学 | 一种细粒级包裹金的强化浸出方法 |
| CN104894371A (zh) * | 2015-06-12 | 2015-09-09 | 鞍钢集团矿业公司 | 利用氧化碱浸、酸洗及重选再选钒钛磁铁精矿的方法 |
| JP6953258B2 (ja) * | 2017-09-26 | 2021-10-27 | Ｊｘ金属株式会社 | 金の浸出方法および、金の回収方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES8506355A1 (es) * | 1984-03-13 | 1985-07-16 | Nunez Alvarez Carlos | Procedimiento para mejorar el rendimiento de extraccion de plata y oro en los minerales de gossan |
| CA1229487A (en) * | 1984-09-27 | 1987-11-24 | Roman M. Genik-Sas-Berezowsky | Process for the recovery of silver from a residue essentially free of elemental sulphur |
| GB8726158D0 (en) * | 1987-11-07 | 1987-12-09 | British Petroleum Co Plc | Separation process |
| DE69926661T2 (de) * | 1998-09-21 | 2006-06-08 | Xstrata Queensland Ltd. | Verfahren zum behandeln von mineralen, die edelmatalle enthalten |
-
2004
- 2004-12-03 EA EA200601081A patent/EA011927B1/ru not_active IP Right Cessation
- 2004-12-03 AU AU2004309162A patent/AU2004309162B2/en not_active Ceased
- 2004-12-03 CA CA002553548A patent/CA2553548A1/en not_active Abandoned
- 2004-12-03 WO PCT/IB2004/003972 patent/WO2005064023A1/en active Application Filing
- 2004-12-03 AP AP2006003649A patent/AP2106A/en active
-
2005
- 2005-02-04 ZA ZA200501060A patent/ZA200501060B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104593583A (zh) * | 2014-12-24 | 2015-05-06 | 中国科学院地球化学研究所 | 一种卡林型难浸金矿石的湿法预处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2004309162B2 (en) | 2009-04-09 |
| AP2006003649A0 (en) | 2006-06-30 |
| ZA200501060B (en) | 2006-05-31 |
| EA011927B1 (ru) | 2009-06-30 |
| WO2005064023A1 (en) | 2005-07-14 |
| AP2106A (en) | 2010-02-10 |
| AU2004309162A1 (en) | 2005-07-14 |
| EA200601081A1 (ru) | 2007-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |