RU2015120780A - METHOD FOR HUMAN LEACHING GOLD FROM MINERAL RAW MATERIALS - Google Patents
METHOD FOR HUMAN LEACHING GOLD FROM MINERAL RAW MATERIALS Download PDFInfo
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- RU2015120780A RU2015120780A RU2015120780A RU2015120780A RU2015120780A RU 2015120780 A RU2015120780 A RU 2015120780A RU 2015120780 A RU2015120780 A RU 2015120780A RU 2015120780 A RU2015120780 A RU 2015120780A RU 2015120780 A RU2015120780 A RU 2015120780A
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- RU
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- Prior art keywords
- gold
- solutions
- leaching
- raw materials
- peroxide
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- 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
-
- 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
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- 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)
Abstract
Способ кучного выщелачивания золота из минерального сырья, включающий агломерацию минеральной массы исходного сырья, формирование из агломерированного сырья штабеля и выщелачивание золота путем подачи орошением в штабель раствора выщелачивающего реагента, рециркуляцию рабочих растворов, сбор продуктивных растворов с последующим выделением из них золота, отличающийся тем, что агломерацию сырья осуществляют с добавлением активного концентрированного пероксидно-карбонатного и/или пероксидно-гидроксидного растворов, приготовленных из водных растворов, соответственно, карбонатов щелочных металлов или их гидроксидов, с добавлением в них перекиси водорода с последующей электрохимической и/или фотоэлектрохимической обработкой, при этом после формирования из агломерированного сырья штабеля выдерживают паузу, после которой минеральную массу одновременно орошают до ее полного смачивания двумя видами растворов: активным выщелачивающим с комплексообразователем для золота, подготовленным путем его растворения в воде, прошедшей электрохимическую и/или фотоэлектрохимическую обработку, и низкоконцентрированным пероксидно-карбонатным и/или пероксидно-гидроксидным раствором, приготовленным аналогично растворам, используемым при агломерации, по завершении смачивания минеральной массы выдерживают паузу для диффузионного выщелачивания золота, по завершении которого ведут выщелачивание золота орошением минеральной массы раствором комплексообразователя, подготовленным на основе активированной воды и/или обеззолоченного маточного раствора, прошедшего электрохимическую и/илиA method of heap leaching of gold from mineral raw materials, including agglomeration of the mineral mass of the feedstock, formation of a stack of agglomerated raw materials and leaching of gold by feeding a solution of a leaching reagent to the stack, recycling working solutions, collecting productive solutions, followed by separation of gold from them, characterized in that agglomeration of raw materials is carried out with the addition of active concentrated peroxide-carbonate and / or peroxide-hydroxide solutions prepared from aqueous solutions, respectively, of alkali metal carbonates or their hydroxides, with the addition of hydrogen peroxide, followed by electrochemical and / or photoelectrochemical treatment, while after the formation of piles from agglomerated raw materials, a pause is maintained after which the mineral mass is simultaneously irrigated until it is completely wetted with two types of solutions: active leaching with a complexing agent for gold, prepared by dissolving it in water that has passed electrochemical and / or photoelectrochemicals processing, and a low concentration peroxide-carbonate and / or peroxide-hydroxide solution, prepared similarly to the solutions used in the agglomeration, after the wetting of the mineral mass is completed, pause for diffusion leaching of gold, after which gold is leached by irrigation of the mineral mass with a complexing agent solution prepared based on activated water and / or dehydrated mother liquor that has passed electrochemical and / or
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2015120780A RU2608481C2 (en) | 2015-06-01 | 2015-06-01 | Method for heap leaching of gold from mineral raw material |
Applications Claiming Priority (1)
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RU2015120780A RU2608481C2 (en) | 2015-06-01 | 2015-06-01 | Method for heap leaching of gold from mineral raw material |
Publications (2)
Publication Number | Publication Date |
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RU2015120780A true RU2015120780A (en) | 2016-12-20 |
RU2608481C2 RU2608481C2 (en) | 2017-01-18 |
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Family Applications (1)
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RU2015120780A RU2608481C2 (en) | 2015-06-01 | 2015-06-01 | Method for heap leaching of gold from mineral raw material |
Country Status (1)
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RU (1) | RU2608481C2 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2680120C1 (en) * | 2017-12-21 | 2019-02-15 | Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" | Method of heap leaching gold |
RU2700893C1 (en) * | 2018-06-25 | 2019-09-23 | Акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" АО "Иргиредмет" | Method of extracting gold by heap and percolation leaching from refractory carbonaceous ore with sorption activity |
RU2698167C1 (en) * | 2019-03-21 | 2019-08-22 | Федеральное государственное бюджетное учреждение науки Институт горного дела Дальневосточного отделения Российской академии наук | Method for heap leaching from gold-copper-porphyritic ores |
RU2707459C1 (en) * | 2019-06-04 | 2019-11-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Забайкальский государственный университет" (ФГБОУ ВО "ЗабГУ") | Method of heap leaching of gold from technogenic mineral raw material |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4501721A (en) * | 1983-06-10 | 1985-02-26 | Kamyr, Inc. | Leaching and washing a flocculated slurry having a fiber content |
CA1234991A (en) * | 1984-09-27 | 1988-04-12 | Donald R. Weir | Recovery of gold from auriferous refractory iron- containing sulphidic ore |
US5229085A (en) * | 1985-05-10 | 1993-07-20 | Kamyr, Inc. | Utilization of oxygen in leaching and/or recovery procedures employing carbon |
RU2112061C1 (en) * | 1996-02-12 | 1998-05-27 | Инженерно-технический центр "Силовые импульсные системы" при Московской государственной геологоразведочной академии | Method of treatment of technogenic gold-containing placers |
PE20001188A1 (en) * | 1998-09-21 | 2000-11-14 | Mim Holdings Ltd | METHOD FOR THE TREATMENT OF REFRACTORY MINERALS CONTAINING PRECIOUS METALS |
US6406675B1 (en) * | 2000-09-13 | 2002-06-18 | Hercules Incorporated | Method for reducing cyanide consumption during processing of gold and silver ores to remove base metals |
RU2461637C1 (en) * | 2011-03-11 | 2012-09-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Забайкальский государственный университет (ФГБОУ ВПО "ЗабГУ") | Method of processing industrial mineral stock to extract valuable and/or toxic components |
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2015
- 2015-06-01 RU RU2015120780A patent/RU2608481C2/en not_active IP Right Cessation
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Publication number | Publication date |
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RU2608481C2 (en) | 2017-01-18 |
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Effective date: 20190602 |