RU2006140608A - METHOD FOR PROCESSING GOLD-SILVER ALLOYS - Google Patents

METHOD FOR PROCESSING GOLD-SILVER ALLOYS Download PDF

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Publication number
RU2006140608A
RU2006140608A RU2006140608/02A RU2006140608A RU2006140608A RU 2006140608 A RU2006140608 A RU 2006140608A RU 2006140608/02 A RU2006140608/02 A RU 2006140608/02A RU 2006140608 A RU2006140608 A RU 2006140608A RU 2006140608 A RU2006140608 A RU 2006140608A
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RU
Russia
Prior art keywords
gold
solution
washing
silver
silver alloys
Prior art date
Application number
RU2006140608/02A
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Russian (ru)
Other versions
RU2332473C1 (en
Inventor
Анатолий Андреевич Лавров (RU)
Анатолий Андреевич Лавров
Виктор Владимирович Свириденко (RU)
Виктор Владимирович Свириденко
Валентин Евгеньевич Барабошкин (RU)
Валентин Евгеньевич Барабошкин
Михаил Николаевич Сивков (RU)
Михаил Николаевич Сивков
Original Assignee
ОАО "Екатеринбургский завод по обработке цветных металлов" (ОАО "ЕзОЦМ") (RU)
ОАО "Екатеринбургский завод по обработке цветных металлов" (ОАО "ЕзОЦМ")
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Application filed by ОАО "Екатеринбургский завод по обработке цветных металлов" (ОАО "ЕзОЦМ") (RU), ОАО "Екатеринбургский завод по обработке цветных металлов" (ОАО "ЕзОЦМ") filed Critical ОАО "Екатеринбургский завод по обработке цветных металлов" (ОАО "ЕзОЦМ") (RU)
Priority to RU2006140608/02A priority Critical patent/RU2332473C1/en
Publication of RU2006140608A publication Critical patent/RU2006140608A/en
Application granted granted Critical
Publication of RU2332473C1 publication Critical patent/RU2332473C1/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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  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Chemically Coating (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Claims (1)

Способ переработки золотосеребряных сплавов, включающий обработку гранулированного золотосеребряного сплава царской водкой с переводом благородных металлов в раствор, отделение хлорида серебра, осаждение золота из раствора сульфитом натрия, последовательную промывку полученного золота раствором соляной кислоты и водой, отличающийся тем, что перед осаждением золота раствор обрабатывают порошком карбамида, затем отстаивают в течение 12-24 ч, повторно отделяют хлорид серебра, осажденное золото промывают концентрированной соляной кислотой, причем промывку кислотой осуществляют не менее 4 ч при температуре 50-60°С, а после остывания промывочного раствора, золото промывают обессоленной водой.A method of processing gold-silver alloys, including processing granular gold-silver alloy with aqua regia with the conversion of noble metals into a solution, separation of silver chloride, precipitation of gold from a solution of sodium sulfite, sequential washing of the gold obtained with a solution of hydrochloric acid and water, characterized in that the solution is treated with a powder before gold precipitation urea, then stand for 12-24 hours, silver chloride is re-separated, the precipitated gold is washed with concentrated hydrochloric acid one, moreover, washing with acid is carried out for at least 4 hours at a temperature of 50-60 ° C, and after cooling the washing solution, the gold is washed with demineralized water.
RU2006140608/02A 2006-11-16 2006-11-16 Method of gold-silver alloy processing RU2332473C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2006140608/02A RU2332473C1 (en) 2006-11-16 2006-11-16 Method of gold-silver alloy processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2006140608/02A RU2332473C1 (en) 2006-11-16 2006-11-16 Method of gold-silver alloy processing

Publications (2)

Publication Number Publication Date
RU2006140608A true RU2006140608A (en) 2008-05-27
RU2332473C1 RU2332473C1 (en) 2008-08-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2006140608/02A RU2332473C1 (en) 2006-11-16 2006-11-16 Method of gold-silver alloy processing

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RU (1) RU2332473C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2680788C1 (en) * 2018-06-07 2019-02-26 Открытое акционерное общество "Красноярский завод цветных металлов имени В.Н. Гулидова" Method of processing gold-silver alloys to produce gold

Also Published As

Publication number Publication date
RU2332473C1 (en) 2008-08-27

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20121117

NF4A Reinstatement of patent

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20141117