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RU2008145568A - METHOD FOR PROCESSING CONCENTRATES CONTAINING NOBLE METALS AND SULFIDS - Google Patents

METHOD FOR PROCESSING CONCENTRATES CONTAINING NOBLE METALS AND SULFIDS Download PDF

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Publication number
RU2008145568A
RU2008145568A RU2008145568/02A RU2008145568A RU2008145568A RU 2008145568 A RU2008145568 A RU 2008145568A RU 2008145568/02 A RU2008145568/02 A RU 2008145568/02A RU 2008145568 A RU2008145568 A RU 2008145568A RU 2008145568 A RU2008145568 A RU 2008145568A
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RU
Russia
Prior art keywords
noble metals
mixture
precipitate
insoluble
concentrates containing
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RU2008145568/02A
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Russian (ru)
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RU2395598C1 (en
Inventor
Сергей Георгиевич Рыбкин (RU)
Сергей Георгиевич Рыбкин
Юрий Львович Николаев (RU)
Юрий Львович Николаев
Евгений Владимирович Богородский (RU)
Евгений Владимирович Богородский
Original Assignee
Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" (RU
Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет"
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Application filed by Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" (RU, Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" filed Critical Открытое акционерное общество "Иркутский научно-исследовательский институт благородных и редких металлов и алмазов" ОАО "Иргиредмет" (RU
Priority to RU2008145568/02A priority Critical patent/RU2395598C1/en
Publication of RU2008145568A publication Critical patent/RU2008145568A/en
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Publication of RU2395598C1 publication Critical patent/RU2395598C1/en

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Abstract

Способ переработки концентратов, содержащих благородные металлы и сульфиды, включающий термическую обработку исходного материала и последующую плавку продукта термообработки в смеси с карбонатом натрия, кремнеземсодержащим флюсом и углеродистым восстановителем с получением сплава благородных металлов и шлака, отличающийся тем, что исходный концентрат смешивают с нитратом и карбонатом натрия в соотношении 1:(0,5÷1,6):(0,1÷0,4), смесь выдерживают при температуре 400÷600°C, полученный спек выщелачивают в воде с последующим отделением нерастворимого осадка от раствора, нерастворимый осадок сушат и плавят с добавками буры и оксида кальция. A method of processing concentrates containing noble metals and sulfides, including heat treatment of the starting material and subsequent melting of the heat-treated product in a mixture with sodium carbonate, silica-containing flux and a carbon reducing agent to produce an alloy of noble metals and slag, characterized in that the starting concentrate is mixed with nitrate and carbonate sodium in a ratio of 1: (0.5 ÷ 1.6) :( 0.1 ÷ 0.4), the mixture is maintained at a temperature of 400 ÷ 600 ° C, the obtained cake is leached in water, followed by separation of insoluble th precipitate from the solution, the insoluble precipitate is dried and melted with addition of borax and calcium oxide.

Claims (1)

Способ переработки концентратов, содержащих благородные металлы и сульфиды, включающий термическую обработку исходного материала и последующую плавку продукта термообработки в смеси с карбонатом натрия, кремнеземсодержащим флюсом и углеродистым восстановителем с получением сплава благородных металлов и шлака, отличающийся тем, что исходный концентрат смешивают с нитратом и карбонатом натрия в соотношении 1:(0,5÷1,6):(0,1÷0,4), смесь выдерживают при температуре 400÷600°C, полученный спек выщелачивают в воде с последующим отделением нерастворимого осадка от раствора, нерастворимый осадок сушат и плавят с добавками буры и оксида кальция. A method of processing concentrates containing noble metals and sulfides, including heat treatment of the starting material and subsequent melting of the heat-treated product in a mixture with sodium carbonate, silica-containing flux and a carbon reducing agent to produce an alloy of noble metals and slag, characterized in that the starting concentrate is mixed with nitrate and carbonate sodium in a ratio of 1: (0.5 ÷ 1.6) :( 0.1 ÷ 0.4), the mixture is maintained at a temperature of 400 ÷ 600 ° C, the obtained cake is leached in water, followed by separation of insoluble th precipitate from the solution, the insoluble precipitate is dried and melted with addition of borax and calcium oxide.
RU2008145568/02A 2008-11-18 2008-11-18 Procedure for processing concentrates containing noble metals and sulphides RU2395598C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2008145568/02A RU2395598C1 (en) 2008-11-18 2008-11-18 Procedure for processing concentrates containing noble metals and sulphides

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Application Number Priority Date Filing Date Title
RU2008145568/02A RU2395598C1 (en) 2008-11-18 2008-11-18 Procedure for processing concentrates containing noble metals and sulphides

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RU2008145568A true RU2008145568A (en) 2010-05-27
RU2395598C1 RU2395598C1 (en) 2010-07-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114672661A (en) * 2022-03-04 2022-06-28 金川集团股份有限公司 Method for judging precious metal smelting converting end point of Kaldo furnace

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2654407C1 (en) * 2017-09-01 2018-05-17 Акционерное общество "Полюс Красноярск" Method for processing sulfide concentrates containing noble metals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4416692A (en) * 1981-02-23 1983-11-22 Burch Glen R Process for extracting gold, silver, platinum, lead, or manganese metals from ore
SU1649815A1 (en) * 1989-10-11 1995-01-09 Иркутский государственный научно-исследовательский институт редких и цветных металлов Method of noble metals extraction from gravitational concentrates
CN2335974Y (en) * 1998-04-14 1999-09-01 马孟骅 Pretreatment device for extracting gold with high yield from gold concentrate contg high arsenic and high sulfur
RU2156820C1 (en) * 1999-03-29 2000-09-27 Акционерное общество "Иргиредмет" Method of processing gravity separation concentrates containing precious metals
US6461400B1 (en) * 2000-04-12 2002-10-08 Art J. Parker Process for extracting quantities of precious metals
RU2179594C1 (en) * 2000-05-26 2002-02-20 Васильев Михаил Георгиевич Method of processing gold-arsenic sulfide materials
CN1221674C (en) * 2002-10-17 2005-10-05 北京鑫化嘉业技术有限责任公司 Method and system for extracting gold from arsenic contained headings

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114672661A (en) * 2022-03-04 2022-06-28 金川集团股份有限公司 Method for judging precious metal smelting converting end point of Kaldo furnace

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Effective date: 20171119