RU96119021A - METHOD FOR EXTRACTING PLATINUM AND RHENIUM FROM THE WASTE PLATINORIUM CATALYST - Google Patents

METHOD FOR EXTRACTING PLATINUM AND RHENIUM FROM THE WASTE PLATINORIUM CATALYST

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Publication number
RU96119021A
RU96119021A RU96119021/04A RU96119021A RU96119021A RU 96119021 A RU96119021 A RU 96119021A RU 96119021/04 A RU96119021/04 A RU 96119021/04A RU 96119021 A RU96119021 A RU 96119021A RU 96119021 A RU96119021 A RU 96119021A
Authority
RU
Russia
Prior art keywords
rhenium
platinum
catalyst
extraction
platinorium
Prior art date
Application number
RU96119021/04A
Other languages
Russian (ru)
Other versions
RU2100072C1 (en
Inventor
В.Ф. Борбат
Л.Н. Адеева
Original Assignee
Омский государственный университет
Filing date
Publication date
Application filed by Омский государственный университет filed Critical Омский государственный университет
Priority to RU96119021/04A priority Critical patent/RU2100072C1/en
Priority claimed from RU96119021/04A external-priority patent/RU2100072C1/en
Application granted granted Critical
Publication of RU2100072C1 publication Critical patent/RU2100072C1/en
Publication of RU96119021A publication Critical patent/RU96119021A/en

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Claims (5)

1. Способ извлечения платины и рения из отработанных платинорениевых катализаторов, основанный на нагреве катализатора и последующем выщелачивании раствором серной кислоты, отличающийся тем, что перед выщелачиванием катализатор предварительно нагревают до спекания с щелочью NaOH в восстановительной среде.1. The method of extraction of platinum and rhenium from spent platinum-rhenium catalysts, based on heating the catalyst and subsequent leaching with a solution of sulfuric acid, characterized in that the catalyst is preheated before leaching before sintering with alkali NaOH in a reducing medium. 2. Способ извлечения платины и рения по п.1, отличающийся тем, что катализатор и щелочь берутся в соотношении 1:1,2-1,4 по массе. 2. The method of extraction of platinum and rhenium according to claim 1, characterized in that the catalyst and alkali are taken in a ratio of 1: 1.2-1.4 by weight. 3. Способ извлечения платины и рения по п.2, отличающийся тем, что восстановительную среду создают введением в зону спекания углеродсодержащего агента в количестве, достаточном для предотвращения окисления рения. 3. The method of extraction of platinum and rhenium according to claim 2, characterized in that the reducing medium is created by introducing into the sintering zone a carbon-containing agent in an amount sufficient to prevent the oxidation of rhenium. 4. Способ извлечения платины и рения по п.1, отличающийся тем, что спекание проводят при нагревании до температуры 900 - 950oC.4. The method of extraction of platinum and rhenium according to claim 1, characterized in that the sintering is carried out by heating to a temperature of 900 - 950 o C. 5. Способ извлечения платины и рения по п.1, отличающийся тем, что выщелачивание проводят разбавленными растворами серной кислоты при повышенной температуре 80 - 90oC в течение 1,5 - 2 ч.5. The method of extraction of platinum and rhenium according to claim 1, characterized in that the leaching is carried out with dilute solutions of sulfuric acid at an elevated temperature of 80 - 90 o C for 1.5 to 2 hours
RU96119021/04A 1996-09-25 1996-09-25 Method of recovering platinum and rhenium from treated platinum/rhenium catalyst RU2100072C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU96119021/04A RU2100072C1 (en) 1996-09-25 1996-09-25 Method of recovering platinum and rhenium from treated platinum/rhenium catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU96119021/04A RU2100072C1 (en) 1996-09-25 1996-09-25 Method of recovering platinum and rhenium from treated platinum/rhenium catalyst

Publications (2)

Publication Number Publication Date
RU2100072C1 RU2100072C1 (en) 1997-12-27
RU96119021A true RU96119021A (en) 1998-03-10

Family

ID=20185789

Family Applications (1)

Application Number Title Priority Date Filing Date
RU96119021/04A RU2100072C1 (en) 1996-09-25 1996-09-25 Method of recovering platinum and rhenium from treated platinum/rhenium catalyst

Country Status (1)

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RU (1) RU2100072C1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4347783B2 (en) * 2004-11-04 2009-10-21 日鉱金属株式会社 Method for recovering platinum and rhenium from spent catalyst
RU2647046C2 (en) * 2015-04-15 2018-03-13 Открытое акционерное общество "Красноярский завод цветных металлов имени В.Н. Гулидова" Method for platinum-perrhenic catalysts processing
RU2678627C1 (en) * 2017-08-07 2019-01-30 Общество с ограниченной ответственностью "Легкие металлы" Method of processing spent catalysts containing noble metals and rhenium
DE102019113198B3 (en) 2018-06-22 2019-10-24 Bernd Kunze Leaching process for precious metals from spent catalysts
DE102020001363B3 (en) 2020-02-29 2020-08-06 Bernd Kunze Leaching process for precious metals from spent catalysts

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