RU95114455A - METHOD FOR REMOVING ARSENE FROM CONCENTRATES OF NOBLE METALS - Google Patents

METHOD FOR REMOVING ARSENE FROM CONCENTRATES OF NOBLE METALS

Info

Publication number
RU95114455A
RU95114455A RU95114455/02A RU95114455A RU95114455A RU 95114455 A RU95114455 A RU 95114455A RU 95114455/02 A RU95114455/02 A RU 95114455/02A RU 95114455 A RU95114455 A RU 95114455A RU 95114455 A RU95114455 A RU 95114455A
Authority
RU
Russia
Prior art keywords
concentrates
arsene
noble metals
solution
soda
Prior art date
Application number
RU95114455/02A
Other languages
Russian (ru)
Other versions
RU2081924C1 (en
Original Assignee
Спиртус М.А.
Коблов В.В.
Тимошенко Э.М.
Корсунский В.И.
Цваров А.А.
Ситнов А.Г.
Filing date
Publication date
Application filed by Спиртус М.А., Коблов В.В., Тимошенко Э.М., Корсунский В.И., Цваров А.А., Ситнов А.Г. filed Critical Спиртус М.А.
Priority to RU9595114455A priority Critical patent/RU2081924C1/en
Priority claimed from RU9595114455A external-priority patent/RU2081924C1/en
Application granted granted Critical
Publication of RU2081924C1 publication Critical patent/RU2081924C1/en
Publication of RU95114455A publication Critical patent/RU95114455A/en

Links

Claims (2)

1. Способ удаления мышьяка из концентратов благородных металлов, включающий автоклавное кислородное выщелачивание раствором, содержащим натрия гидроокись, отличающийся тем, что выщелачиванию подвергают концентраты, содержащие золото, серебро, а также мышьяк выше 1,5 %, и ведут его раствором, дополнительно содержащим соду при температуре 150 - 180oС в течение 3 - 6 ч при соотношении Ж : Т = 5 - 7 и давлении кислорода 5 - 10 атм.1. A method of removing arsenic from noble metal concentrates, including autoclaved oxygen leaching with a solution containing sodium hydroxide, characterized in that the concentrates containing gold, silver, and arsenic above 1.5% are leached and its solution is additionally containing soda at a temperature of 150 - 180 o C for 3 to 6 hours with a ratio of W: T = 5 - 7 and an oxygen pressure of 5 - 10 atm. 2. Способ по п. 1, отличающийся тем, что концентрацией соды в растворе создают щелочную среду в пределах рН 13 - 15. 2. The method according to p. 1, characterized in that the concentration of soda in the solution creates an alkaline environment in the range of pH 13-15.
RU9595114455A 1995-08-23 1995-08-23 Method arsenic removing from the noble metal concentrates RU2081924C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU9595114455A RU2081924C1 (en) 1995-08-23 1995-08-23 Method arsenic removing from the noble metal concentrates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU9595114455A RU2081924C1 (en) 1995-08-23 1995-08-23 Method arsenic removing from the noble metal concentrates

Publications (2)

Publication Number Publication Date
RU2081924C1 RU2081924C1 (en) 1997-06-20
RU95114455A true RU95114455A (en) 1997-07-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU9595114455A RU2081924C1 (en) 1995-08-23 1995-08-23 Method arsenic removing from the noble metal concentrates

Country Status (1)

Country Link
RU (1) RU2081924C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103451431B (en) * 2013-08-27 2015-08-12 江西南城鑫业环保处置有限公司 A kind of method extracting arsenic and precious metal from spent noble metals bearing catalysts

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