RU2011111968A - METHOD FOR ELECTROCHEMICAL EXTRACTION OF SILVER FROM COATINGS ON THE METAL BASIS - Google Patents

METHOD FOR ELECTROCHEMICAL EXTRACTION OF SILVER FROM COATINGS ON THE METAL BASIS Download PDF

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Publication number
RU2011111968A
RU2011111968A RU2011111968/02A RU2011111968A RU2011111968A RU 2011111968 A RU2011111968 A RU 2011111968A RU 2011111968/02 A RU2011111968/02 A RU 2011111968/02A RU 2011111968 A RU2011111968 A RU 2011111968A RU 2011111968 A RU2011111968 A RU 2011111968A
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RU
Russia
Prior art keywords
silver
coatings
complexing agent
dissolution
extraction
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RU2011111968/02A
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Russian (ru)
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RU2467082C1 (en
Inventor
Данила Борисович Кальный (RU)
Данила Борисович Кальный
Василий Васильевич Коковкин (RU)
Василий Васильевич Коковкин
Игорь Витальевич Миронов (RU)
Игорь Витальевич Миронов
Original Assignee
Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН (RU)
Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН
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Application filed by Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН (RU), Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН filed Critical Учреждение Российской академии наук Институт неорганической химии им. А.В. Николаева Сибирского отделения РАН (RU)
Priority to RU2011111968/02A priority Critical patent/RU2467082C1/en
Publication of RU2011111968A publication Critical patent/RU2011111968A/en
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Publication of RU2467082C1 publication Critical patent/RU2467082C1/en

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    • 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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  • Electrolytic Production Of Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

Способ электрохимического извлечения серебра из покрытий на металлической основе, включающий анодное растворение серебра в водном растворе комплексообразователя, отличающийся тем, что в качестве комплексообразователя используют сульфит натрия с концентрацией 12-370 г/л, растворение ведут при 18-50°С в потенциостатическом режиме при потенциале анода 0,40÷0,74 В относительно нормального водородного электрода, при этом процесс извлечения ведут в закрытом объеме. The method of electrochemical extraction of silver from metal-based coatings, including anodic dissolution of silver in an aqueous solution of a complexing agent, characterized in that sodium sulfite with a concentration of 12-370 g / l is used as a complexing agent, the dissolution is carried out at 18-50 ° C in a potentiostatic mode at the potential of the anode is 0.40 ÷ 0.74 V relative to a normal hydrogen electrode, while the extraction process is conducted in a closed volume.

Claims (1)

Способ электрохимического извлечения серебра из покрытий на металлической основе, включающий анодное растворение серебра в водном растворе комплексообразователя, отличающийся тем, что в качестве комплексообразователя используют сульфит натрия с концентрацией 12-370 г/л, растворение ведут при 18-50°С в потенциостатическом режиме при потенциале анода 0,40÷0,74 В относительно нормального водородного электрода, при этом процесс извлечения ведут в закрытом объеме. The method of electrochemical extraction of silver from metal-based coatings, including anodic dissolution of silver in an aqueous solution of a complexing agent, characterized in that sodium sulfite with a concentration of 12-370 g / l is used as a complexing agent, the dissolution is carried out at 18-50 ° C in a potentiostatic mode at the potential of the anode is 0.40 ÷ 0.74 V relative to a normal hydrogen electrode, while the extraction process is conducted in a closed volume.
RU2011111968/02A 2011-03-29 2011-03-29 Method of electrochemical extraction of silver from silver-bearing current-conducting wastes RU2467082C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2011111968/02A RU2467082C1 (en) 2011-03-29 2011-03-29 Method of electrochemical extraction of silver from silver-bearing current-conducting wastes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2011111968/02A RU2467082C1 (en) 2011-03-29 2011-03-29 Method of electrochemical extraction of silver from silver-bearing current-conducting wastes

Publications (2)

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RU2011111968A true RU2011111968A (en) 2012-10-10
RU2467082C1 RU2467082C1 (en) 2012-11-20

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH313570A (en) * 1951-09-20 1956-04-30 Degussa Process for the electrolytic polishing of objects made of gold and gold alloys
FR2676465B1 (en) * 1991-05-14 1993-12-17 Kodak Pathe DEARGENTATION PROCESS BY ELECTROLYSIS.
CN1133617A (en) * 1993-10-21 1996-10-16 纳幕尔杜邦公司 Gold lixiviation using nitrogen and sulfur beterocyclic aromatic
RU2115751C1 (en) * 1997-06-26 1998-07-20 Российский химико-технологический университет им.Д.И.Менделеева Method of recovering precious metals
GB2368349A (en) * 2000-10-27 2002-05-01 Imperial College Electrolytic extraction of metals; recycling
RU2194801C1 (en) * 2001-08-06 2002-12-20 Общество ограниченной ответственности "Компания "ОРИЯ" Process for extracting gold and(or) silver out of waste materials
RU2258768C1 (en) * 2004-03-17 2005-08-20 Московская государственная академия тонкой химической технологии им. М.В. Ломоносова Method of extraction of gold and silver from polymetallic raw material

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RU2467082C1 (en) 2012-11-20

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Effective date: 20160330