EA201500121A1 - METHOD OF EXTRACTING PRECIOUS METALS FROM RESISTANT SULPHIDE RAW MATERIALS - Google Patents
METHOD OF EXTRACTING PRECIOUS METALS FROM RESISTANT SULPHIDE RAW MATERIALSInfo
- Publication number
- EA201500121A1 EA201500121A1 EA201500121A EA201500121A EA201500121A1 EA 201500121 A1 EA201500121 A1 EA 201500121A1 EA 201500121 A EA201500121 A EA 201500121A EA 201500121 A EA201500121 A EA 201500121A EA 201500121 A1 EA201500121 A1 EA 201500121A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- raw materials
- precious metals
- metals
- sulfide
- lead
- Prior art date
Links
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
Изобретение относится к области металлургии драгоценных металлов. Способ извлечения драгоценных металлов из упорного сульфидного сырья включает подготовку перерабатываемого сырья, окислительное выщелачивание сульфидного сырья, переработку раствора окислительного выщелачивания, извлечение драгоценных металлов. Согласно изобретению сульфидное сырье, содержащее драгоценные металлы, смешивают с сульфидным свинецсодержащим материалом, проводят их окислительное выщелачивание с получением окисленного остатка, который очищают от серы и мышьяка и подвергают восстановительной плавке на черновой свинец, который перерабатывают с получением сплава драгоценных металлов, марочного свинца и других продуктов, а переработку раствора окислительного выщелачивания с получением цветных металлов и отвальных продуктов осуществляют любым известным способом. Техническим результатом изобретения является увеличение извлечения драгоценных и цветных металлов в товарные продукты, универсальность метода относительно перерабатываемого сырья, уменьшение затрат на переработку упорного сырья, содержащего драгоценные металлы.The invention relates to the field of metallurgy of precious metals. The method of extracting precious metals from refractory sulfide raw materials includes the preparation of the processed raw materials, the oxidative leaching of sulfide raw materials, the processing of the oxidative leaching solution, the extraction of precious metals. According to the invention, sulfide raw materials containing precious metals are mixed with lead sulfide material, they are oxidized leaching to produce an oxidized residue, which is purified from sulfur and arsenic and subjected to reductive smelting to rough lead, which is processed to produce an alloy of precious metals, vintage lead and others products, and the processing of the solution of oxidative leaching to obtain non-ferrous metals and waste products is carried out by any known method. The technical result of the invention is to increase the extraction of precious and non-ferrous metals into commercial products, the versatility of the method relative to the processed raw materials, reducing the cost of processing refractory raw materials containing precious metals.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201500121A EA026707B1 (en) | 2015-01-22 | 2015-01-22 | Method of extracting precious metals from refractory sulphide raw stock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201500121A EA026707B1 (en) | 2015-01-22 | 2015-01-22 | Method of extracting precious metals from refractory sulphide raw stock |
Publications (2)
Publication Number | Publication Date |
---|---|
EA201500121A1 true EA201500121A1 (en) | 2016-07-29 |
EA026707B1 EA026707B1 (en) | 2017-05-31 |
Family
ID=56550583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201500121A EA026707B1 (en) | 2015-01-22 | 2015-01-22 | Method of extracting precious metals from refractory sulphide raw stock |
Country Status (1)
Country | Link |
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EA (1) | EA026707B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1234291A (en) * | 1984-09-27 | 1988-03-22 | Donald R. Weir | Recovery of gold from auriferous refractory iron- containing sulphidic material |
CA1234991A (en) * | 1984-09-27 | 1988-04-12 | Donald R. Weir | Recovery of gold from auriferous refractory iron- containing sulphidic ore |
US5071477A (en) * | 1990-05-03 | 1991-12-10 | American Barrick Resources Corporation of Toronto | Process for recovery of gold from refractory ores |
RU2434064C1 (en) * | 2010-07-26 | 2011-11-20 | Общество с ограниченной ответственностью "Научно-исследовательский центр "Гидрометаллургия" | Procedure for processing refractory sulphide gold containing raw stock |
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2015
- 2015-01-22 EA EA201500121A patent/EA026707B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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EA026707B1 (en) | 2017-05-31 |
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Legal Events
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MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY TJ TM |