RU2013108716A - METHOD FOR PROCESSING SILVER-CONTAINING CONCENTRATES - Google Patents

METHOD FOR PROCESSING SILVER-CONTAINING CONCENTRATES Download PDF

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Publication number
RU2013108716A
RU2013108716A RU2013108716/02A RU2013108716A RU2013108716A RU 2013108716 A RU2013108716 A RU 2013108716A RU 2013108716/02 A RU2013108716/02 A RU 2013108716/02A RU 2013108716 A RU2013108716 A RU 2013108716A RU 2013108716 A RU2013108716 A RU 2013108716A
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Russia
Prior art keywords
chloride
solution
cake
cinder
leaching
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RU2013108716/02A
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Russian (ru)
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RU2532697C2 (en
Inventor
Александр Владимирович Аксенов
Сергей Георгиевич Рыбкин
Аркадий Евгеньевич Сенченко
Юрий Георгиевич Середкин
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Общество с ограниченной ответственностью Научно-исследовательский и проектный институт "ТОМС"
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Priority to RU2013108716/02A priority Critical patent/RU2532697C2/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Abstract

1.Способ переработки серебросодержащих концентратов, включающий смешивание концентрата с хлоридами щелочных металлов, термообработку смеси в среде кислородсодержащего газа, выщелачивание хлоридного огарка, отделение кека хлоридного огарка от раствора, упаривание хлоридного раствора с получением продукта на основе хлоридов щелочных металлов, отличающийся тем, что выщелачивание хлоридного огарка осуществляют в воде, хлоридный раствор обрабатывают сульфидом натрия и хлоридом кальция с отделением осадков сульфида меди и дигидрата сульфата кальция, кек хлоридного огарка выщелачивают в растворе тиосульфата натрия с последующим отделением нерастворимого осадка кека от продуктивного раствора, который обрабатывают сульфидом натрия с последующим отделением осадка сульфидов от регенерированного раствора тиосульфата натрия, который направляют на выщелачивание кека хлоридного огарка, а осадок сульфидов перерабатывают известными способами с получением серебра.2.Способ по п.1, отличающийся тем, что хлориды щелочных металлов поступают на смешивание с концентратом в виде насыщенного раствора.1. A method for processing silver-containing concentrates, including mixing the concentrate with alkali metal chlorides, heat treatment of the mixture in an oxygen-containing gas environment, leaching of the chloride cinder, separating the cake of the chloride cinder from the solution, evaporation of the chloride solution to obtain a product based on alkali metal chlorides, characterized in that the leaching chloride cinder is carried out in water, the chloride solution is treated with sodium sulfide and calcium chloride with the separation of copper sulfide and calcium sulfate dihydrate precipitates, the chloride cinder cake is leached in a sodium thiosulfate solution, followed by the separation of the insoluble cake cake from the productive solution, which is treated with sodium sulfide, followed by separation of the cake sulfides from the regenerated sodium thiosulfate solution, which is directed to the leaching of the chloride cinder cake, and the sulfide precipitate is processed by known methods to obtain silver. 2. The method according to claim 1, characterized in that x lorides of alkali metals are mixed with the concentrate in the form of a saturated solution.

Claims (2)

1.Способ переработки серебросодержащих концентратов, включающий смешивание концентрата с хлоридами щелочных металлов, термообработку смеси в среде кислородсодержащего газа, выщелачивание хлоридного огарка, отделение кека хлоридного огарка от раствора, упаривание хлоридного раствора с получением продукта на основе хлоридов щелочных металлов, отличающийся тем, что выщелачивание хлоридного огарка осуществляют в воде, хлоридный раствор обрабатывают сульфидом натрия и хлоридом кальция с отделением осадков сульфида меди и дигидрата сульфата кальция, кек хлоридного огарка выщелачивают в растворе тиосульфата натрия с последующим отделением нерастворимого осадка кека от продуктивного раствора, который обрабатывают сульфидом натрия с последующим отделением осадка сульфидов от регенерированного раствора тиосульфата натрия, который направляют на выщелачивание кека хлоридного огарка, а осадок сульфидов перерабатывают известными способами с получением серебра.1. A method of processing silver-containing concentrates, including mixing the concentrate with alkali metal chlorides, heat treating the mixture in an oxygen-containing gas environment, leaching the chloride cinder, separating the chloride cake from the solution, evaporating the chloride solution to obtain a product based on alkali metal chlorides, characterized in that the leaching chloride cinder is carried out in water, the chloride solution is treated with sodium sulfide and calcium chloride with the separation of precipitation of copper sulfide and sul dihydrate calcium phosphate, chloride coke cake is leached in a sodium thiosulfate solution, followed by separation of the insoluble cake cake from the productive solution, which is treated with sodium sulfide, followed by separation of the sulphide precipitate from the regenerated sodium thiosulfate solution, which is sent to the leaching of the chloride coke cake, and the sulfide precipitate is processed using lime methods with the receipt of silver. 2.Способ по п.1, отличающийся тем, что хлориды щелочных металлов поступают на смешивание с концентратом в виде насыщенного раствора.  2. The method according to claim 1, characterized in that the alkali metal chlorides are mixed with the concentrate in the form of a saturated solution.
RU2013108716/02A 2013-02-28 2013-02-28 Method of processing silver-containing concentrates RU2532697C2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112708772A (en) * 2020-12-23 2021-04-27 紫金矿业集团股份有限公司 Method for high-valued and synergistic dechlorination of zinc smelting intermediate material

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107502752B (en) * 2017-08-18 2019-03-26 钦州学院 A method of improving Silver From Ore leaching rate
CN108384967A (en) * 2018-01-23 2018-08-10 昆明理工大学 A method of recycling silver from steel works sintering dirt mud

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA75593B (en) * 1975-01-29 1976-09-29 Nat Inst Metallurg A process for the treatment of mixtures of platinum group metals and gold
DE3307163A1 (en) * 1983-03-01 1984-09-06 Chevron Research Co., San Francisco, Calif. Method for the selective removal of palladium from a mixture containing more palladium than platinum
RU2071978C1 (en) * 1992-05-13 1997-01-20 Акционерное общество открытого типа "Уралэлектромедь" Method of copper-electrolyte slime processing
RU2164255C2 (en) * 1999-02-04 2001-03-20 ОАО "Красноярский завод цветных металлов" Method of recovery of noble metals from products containing silver chloride, metals of platinum group and gold
RU2204620C2 (en) * 2001-07-30 2003-05-20 ОАО "Красноярский завод цветных металлов им. В.Н.Гулидова" Method of reprocessing iron oxide based sediments containing precious metals
RU2286399C1 (en) * 2005-03-29 2006-10-27 ОАО "Горно-металлургическая компания "Норильский никель" Method of processing materials containing precious metals and lead

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112708772A (en) * 2020-12-23 2021-04-27 紫金矿业集团股份有限公司 Method for high-valued and synergistic dechlorination of zinc smelting intermediate material

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