RU2010151748A - METHOD FOR PRODUCING PALLADIUM SOLUBLE IN NITRIC ACID - Google Patents
METHOD FOR PRODUCING PALLADIUM SOLUBLE IN NITRIC ACID Download PDFInfo
- Publication number
- RU2010151748A RU2010151748A RU2010151748/02A RU2010151748A RU2010151748A RU 2010151748 A RU2010151748 A RU 2010151748A RU 2010151748/02 A RU2010151748/02 A RU 2010151748/02A RU 2010151748 A RU2010151748 A RU 2010151748A RU 2010151748 A RU2010151748 A RU 2010151748A
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- RU
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- Prior art keywords
- palladium
- aqueous solution
- amount
- taken
- compound
- Prior art date
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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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- Catalysts (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Способ получения палладия, растворимого в азотной кислоте, включающий восстановление суспензии порошка соединения палладия(II), отличающийся тем, что в качестве соединения палладия(II) используется хлорид палладия(II), а восстановление ведут при температуре (50-110)°С (20-50) %-ным водным раствором формиата натрия или (20-70)%-ным водным раствором формиата аммония, подкисленного концентрированной муравьиной или ледяной уксусной кислотой до значения рН (3-5), подогретого до (50-110)°С и взятого в количестве (110-150)% от мольного количества палладия, в присутствии уксусной кислоты, взятой в количестве (200-400)% от мольного количества палладия, в виде (70-100)%-ого водного раствора. ! 2. Способ по п.1, отличающийся тем, что восстановление ведут водным раствором формиата натрия или водным раствором формиата аммония, взятого в количестве (50-100)% от мольного количества палладия, в присутствии муравьиной кислоты, взятой в количестве (200-400)% от мольного количества палладия, в виде (60-95)%-ого водного раствора. ! 3. Способ получения палладия, растворимого в азотной кислоте, включающий восстановление суспензии порошка соединения палладия(II), отличающийся тем, что в качестве соединения палладия(II) используется хлорид палладия(II), а восстановление ведут при температуре (50-110)°С водным раствором муравьиной кислоты, взятой в количестве (200-500)% от мольного количества палладия, в виде концентрированного (60-95)%-ого водного раствора, с добавлением (5-15)%-ого водного раствора аммиака до достижении рН раствора значения (3-5). 1. A method of producing palladium, soluble in nitric acid, including the restoration of a suspension of a powder of a palladium (II) compound, characterized in that palladium (II) chloride is used as a palladium (II) compound, and the reduction is carried out at a temperature of (50-110) ° With (20-50)% aqueous solution of sodium formate or (20-70)% aqueous solution of ammonium formate acidified with concentrated formic or glacial acetic acid to pH (3-5), heated to (50-110) ° C and taken in the amount of (110-150)% of the molar amount of palladium, in the presence of acetic acid, taken in the amount of (200-400)% of the molar amount of palladium, in the form of (70-100)% aqueous solution. ! 2. The method according to claim 1, characterized in that the reduction is carried out with an aqueous solution of sodium formate or an aqueous solution of ammonium formate taken in an amount (50-100)% of the molar amount of palladium, in the presence of formic acid taken in an amount (200-400 )% of the molar amount of palladium, in the form of (60-95)% - th aqueous solution. ! 3. A method of producing palladium, soluble in nitric acid, including the restoration of a suspension of a powder of a palladium (II) compound, characterized in that palladium (II) chloride is used as a palladium (II) compound, and the reduction is carried out at a temperature of (50-110) ° With an aqueous solution of formic acid, taken in an amount of (200-500)% of the molar amount of palladium, in the form of a concentrated (60-95)% aqueous solution, with the addition of (5-15)% aqueous ammonia until pH is reached solution values (3-5).
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2010151748/02A RU2463366C2 (en) | 2010-12-16 | 2010-12-16 | Method to produce palladium soluble in nitric acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2010151748/02A RU2463366C2 (en) | 2010-12-16 | 2010-12-16 | Method to produce palladium soluble in nitric acid |
Publications (2)
Publication Number | Publication Date |
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RU2010151748A true RU2010151748A (en) | 2012-06-27 |
RU2463366C2 RU2463366C2 (en) | 2012-10-10 |
Family
ID=46681492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2010151748/02A RU2463366C2 (en) | 2010-12-16 | 2010-12-16 | Method to produce palladium soluble in nitric acid |
Country Status (1)
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RU (1) | RU2463366C2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2579593C1 (en) * | 2014-12-19 | 2016-04-10 | Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) | Method of producing nitrosyl chloride compounds of palladium |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2113252A (en) * | 1981-08-12 | 1983-08-03 | Robert Henry Perrin | Recovery of metals from solutions |
GB2103659A (en) * | 1981-08-12 | 1983-02-23 | Robert Henry Perrin | Recovery of precious metals from solutions |
RU2136769C1 (en) * | 1998-09-03 | 1999-09-10 | Оао "Институт Гинцветмет" | Method of producing of palladium metal powder |
RU2186863C1 (en) * | 2000-12-25 | 2002-08-10 | ОАО "Красноярский завод цветных металлов им. В.Н.Гулидова" | Method of palladium powder production |
RU2242429C1 (en) * | 2003-07-07 | 2004-12-20 | Закрытое акционерное общество "Прерамет" | Method for production of palladium nitrate |
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2010
- 2010-12-16 RU RU2010151748/02A patent/RU2463366C2/en not_active IP Right Cessation
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Publication number | Publication date |
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RU2463366C2 (en) | 2012-10-10 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20121217 |