ZA947706B - Recovery of precious metal values from refractory ores - Google Patents
Recovery of precious metal values from refractory oresInfo
- Publication number
- ZA947706B ZA947706B ZA947706A ZA947706A ZA947706B ZA 947706 B ZA947706 B ZA 947706B ZA 947706 A ZA947706 A ZA 947706A ZA 947706 A ZA947706 A ZA 947706A ZA 947706 B ZA947706 B ZA 947706B
- Authority
- ZA
- South Africa
- Prior art keywords
- recovery
- precious metal
- metal values
- refractory ores
- ores
- Prior art date
Links
- 239000010970 precious metal Substances 0.000 title 1
- 238000011084 recovery Methods 0.000 title 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
- 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
- C22B11/00—Obtaining noble metals
- C22B11/04—Obtaining noble metals by wet processes
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/143,318 US5425800A (en) | 1993-10-26 | 1993-10-26 | Recovery of precious metal values from refractory ores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA947706B true ZA947706B (en) | 1996-02-06 |
Family
ID=22503539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA947706A ZA947706B (en) | 1993-10-26 | 1994-10-03 | Recovery of precious metal values from refractory ores |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5425800A (xx) |
| EP (1) | EP0686206A4 (xx) |
| AU (1) | AU7923394A (xx) |
| PE (1) | PE26995A1 (xx) |
| WO (1) | WO1995012001A1 (xx) |
| ZA (1) | ZA947706B (xx) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5912402A (en) * | 1995-10-30 | 1999-06-15 | Drinkard Metalox, Inc. | Metallurgical dust recycle process |
| US5814292A (en) * | 1996-12-19 | 1998-09-29 | Energy Research Group | Comprehensive energy producing methods for aqueous phase oxidation |
| US6131835A (en) * | 1997-08-29 | 2000-10-17 | Mg Technologies, Inc. | Methods for treating ores |
| GB9804486D0 (en) * | 1998-03-02 | 1998-04-29 | Robinson Lee F | Extraction of valuable metal |
| GB2370567B (en) * | 2000-11-01 | 2005-05-04 | Lee Fisher Robinson | Extraction processes |
| US20060144191A1 (en) * | 2003-04-02 | 2006-07-06 | Shapovalov Viatcheslav D | Method for recovery of nonferrous, rare and precious metals from robust minerals |
| GB2415192B (en) * | 2003-04-16 | 2007-06-13 | Viatcheslav Dmitrie Shapovalov | Method for processing sulfide minerals and concentrates |
| RU2268317C2 (ru) * | 2004-01-05 | 2006-01-20 | Читинский государственный университет (ЧитГУ) | Способ цианидного выщелачивания золота в штабелях руды |
| RU2268318C1 (ru) * | 2004-06-07 | 2006-01-20 | Читинский государственный университет (ЧитГУ) | Способ кучного выщелачивания золота в штабелях и устройство для его осуществления |
| US7892505B2 (en) * | 2005-10-29 | 2011-02-22 | Royal Silver Company (Panama) S.A. | Hydrometallurgical process for the treatment of metal-bearing sulfide mineral concentrates |
| US20070119277A1 (en) * | 2005-11-28 | 2007-05-31 | Russell Technologies, Llc | Methods for processing crushed solids with a liquid within a vessel |
| WO2009037596A2 (en) | 2007-09-17 | 2009-03-26 | Barrick Gold Corporation | Method to improve recovery of gold from double refractory gold ores |
| TR201002190T1 (tr) | 2007-09-18 | 2010-08-23 | Barrick Gold Corporation | Altın ve gümüşün refrakter cevherlerinden geri kazanımına yönelik işlem |
| US8262770B2 (en) | 2007-09-18 | 2012-09-11 | Barrick Gold Corporation | Process for controlling acid in sulfide pressure oxidation processes |
| US9272936B2 (en) | 2009-04-01 | 2016-03-01 | Earth Renewal Group, Llc | Waste treatment process |
| US7915474B2 (en) * | 2009-04-01 | 2011-03-29 | Earth Renewal Group, Llc | Aqueous phase oxidation process |
| US8115047B2 (en) * | 2009-04-01 | 2012-02-14 | Earth Renewal Group, Llc | Aqueous phase oxidation process |
| US7951988B2 (en) * | 2009-04-01 | 2011-05-31 | Earth Renewal Group, Llc | Aqueous phase oxidation process |
| US8168847B2 (en) * | 2009-04-01 | 2012-05-01 | Earth Renewal Group, Llc | Aqueous phase oxidation process |
| US8481800B2 (en) * | 2009-04-01 | 2013-07-09 | Earth Renewal Group, Llc | Aqueous phase oxidation process |
| AU2010239156A1 (en) * | 2009-04-24 | 2011-11-10 | Precious Metals Recovery Pty Ltd | Extraction of gold from cathode associated gold concentrates |
| US8936770B2 (en) * | 2010-01-22 | 2015-01-20 | Molycorp Minerals, Llc | Hydrometallurgical process and method for recovering metals |
| EP3290534B1 (en) | 2010-11-22 | 2023-10-25 | Barrick Gold Corporation | Alkaline and acid pressure oxidation of precious metal-containing materials |
| RU2475547C1 (ru) * | 2011-06-22 | 2013-02-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Забайкальский государственный университет" (ФГБОУ ВПО "ЗабГУ") | Способ извлечения золота из минерального сырья |
| CN104263961B (zh) * | 2014-09-23 | 2016-03-30 | 铜仁市万山区盛和矿业有限责任公司 | 一种从黄铁矿中提取金的方法 |
| CN104263962B (zh) * | 2014-09-23 | 2016-08-17 | 铜仁市万山区盛和矿业有限责任公司 | 一种从磁黄铁矿中提取金的方法 |
| CN104263963B (zh) * | 2014-09-23 | 2016-08-24 | 铜仁市万山区盛和矿业有限责任公司 | 一种从硫砷铁矿中提取金的方法 |
| CN104307626B (zh) * | 2014-10-13 | 2016-06-08 | 中国瑞林工程技术有限公司 | 一种回收品位极低金矿石的选矿工艺 |
| PL412427A1 (pl) * | 2015-05-20 | 2016-11-21 | Włodzimierz Merka | Sposób kompleksowej utylizacji fosfogipsów |
| RU2732819C1 (ru) * | 2019-11-01 | 2020-09-22 | Общество с ограниченной ответственностью "Научно-исследовательский центр "Гидрометаллургия" | Способ автоклавной переработки углистых золотосодержащих концентратов с использованием дополнительного реагента-окислителя |
| WO2024098097A1 (en) * | 2022-11-07 | 2024-05-16 | EnviroGold Global Pty Ltd | An improved process for recovery of metals from refractory ores |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US636114A (en) * | 1898-01-13 | 1899-10-31 | James Stuart Cain | Preliminary treatment of ores or tailings before cyaniding. |
| US1810487A (en) * | 1928-12-14 | 1931-06-16 | Clarence W Lawr | Recovery of cyanid from alkalin liquors |
| US3099529A (en) * | 1960-01-29 | 1963-07-30 | Dow Chemical Co | Separation of nitric acid from its salts |
| US3793429A (en) * | 1972-02-18 | 1974-02-19 | Kennecott Copper Corp | Nitric acid process for recovering metal values from sulfide ore materials containing iron sulfides |
| US3888748A (en) * | 1972-06-28 | 1975-06-10 | Du Pont | Recovery of metal values from ore concentrates |
| CA1150931A (en) * | 1980-05-30 | 1983-08-02 | Wasyl Kunda | Process for the recovery of silver values from silver-containing material which also contains iron and arsenic |
| US4647307A (en) * | 1983-01-18 | 1987-03-03 | Rein Raudsepp | Process for recovering gold and silver from refractory ores |
| US4834793A (en) * | 1985-03-19 | 1989-05-30 | Hydrochem Developments Ltd. | Oxidation process for releasing metal values in which nitric acid is regenerated in situ |
| US4670051A (en) * | 1985-03-19 | 1987-06-02 | Hydrochem Developments Ltd. | Oxidation process for releasing metal values in which nitric acid is regenerated in situ |
| US4878945A (en) * | 1986-05-29 | 1989-11-07 | Rein Raudsepp | Hydrometallurgical process for treating refractory ores containing precious metals |
| US4898611A (en) * | 1988-03-31 | 1990-02-06 | Nalco Chemical Company | Polymeric ore agglomeration aids |
| US5013359A (en) * | 1988-10-31 | 1991-05-07 | Hydrochem Developments Ltd. | Process for recovering gold from refractory sulfidic ores |
| US5196052A (en) * | 1992-06-19 | 1993-03-23 | Nalco Chemical Company | Bacterial-assisted heap leaching of ores |
| US5236492A (en) * | 1992-07-29 | 1993-08-17 | Fmc Gold Company | Recovery of precious metal values from refractory ores |
-
1993
- 1993-10-26 US US08/143,318 patent/US5425800A/en not_active Expired - Fee Related
-
1994
- 1994-09-29 EP EP94929952A patent/EP0686206A4/en not_active Withdrawn
- 1994-09-29 AU AU79233/94A patent/AU7923394A/en not_active Abandoned
- 1994-09-29 WO PCT/US1994/011070 patent/WO1995012001A1/en not_active Ceased
- 1994-10-03 ZA ZA947706A patent/ZA947706B/xx unknown
- 1994-10-19 PE PE1994253189A patent/PE26995A1/es not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP0686206A4 (en) | 1996-05-08 |
| AU7923394A (en) | 1995-05-22 |
| US5425800A (en) | 1995-06-20 |
| EP0686206A1 (en) | 1995-12-13 |
| PE26995A1 (es) | 1995-09-22 |
| WO1995012001A1 (en) | 1995-05-04 |
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