RU96104389A - METHOD FOR EXTRACTING METAL FROM ITS ORGANIC COMPLEX - Google Patents

METHOD FOR EXTRACTING METAL FROM ITS ORGANIC COMPLEX

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Publication number
RU96104389A
RU96104389A RU96104389/02A RU96104389A RU96104389A RU 96104389 A RU96104389 A RU 96104389A RU 96104389/02 A RU96104389/02 A RU 96104389/02A RU 96104389 A RU96104389 A RU 96104389A RU 96104389 A RU96104389 A RU 96104389A
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RU
Russia
Prior art keywords
complex
aqueous solution
carbon atoms
solution
organic
Prior art date
Application number
RU96104389/02A
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Russian (ru)
Other versions
RU2125477C1 (en
Inventor
Карло Купертино Доменико
Энтони Таскер Петер
Original Assignee
Зенека Лимитед
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Publication date
Priority claimed from GB939316641A external-priority patent/GB9316641D0/en
Application filed by Зенека Лимитед filed Critical Зенека Лимитед
Publication of RU96104389A publication Critical patent/RU96104389A/en
Application granted granted Critical
Publication of RU2125477C1 publication Critical patent/RU2125477C1/en

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Claims (1)

1. Способ извлечения металла из его органического комплекса, включающий обработку комплекса слабокислым водным раствором хлорида аммония, содержание хлорида в котором составляет по меньшей мере 4 мол., концентрация кислоты до 0,5 мол. превышает концентрацию, которая стехиометрически необходима для десорбирования металла, вследствие чего упомянутый комплекс разлагается и металлические ионы переходят в водный раствор.1. The method of extracting metal from its organic complex, which includes processing the complex with a weakly acidic aqueous solution of ammonium chloride, the chloride content of which is at least 4 mol., The acid concentration up to 0.5 mol. exceeds the concentration, which is stoichiometrically necessary for the desorption of the metal, as a result of which the said complex decomposes and the metal ions pass into the aqueous solution. 2. Способ по п.1, отличающийся тем, что содержит обработку раствора комплекса в несмешивающемся с водой органическом растворителе. 2. The method according to claim 1, characterized in that it contains the processing of a solution of the complex in a water-immiscible organic solvent. 3. Способ по п.2, отличающийся тем, что раствор комплекса в несмешивающемся с водой органическом растворителе представляет собой продукт экстракции водного раствора металлической соли раствором органического экстрагента в несмешивающемся с водой органическом растворителе. 3. The method according to claim 2, characterized in that the solution of the complex in a water-immiscible organic solvent is the product of the extraction of an aqueous solution of a metal salt with a solution of an organic extractant in a water-immiscible organic solvent. 4. Способ по п.3, отличающийся тем, что органический экстрагент содержит фосфорорганическое соединение формулы I
Figure 00000001

где R представляет разветвленный алкильный радикал, содержащий по меньшей мере 12 углеродных атомов, который может необязательно нести один или несколько заместителей, инертных в экстракционных условиях, а n обозначает 0 или 1.4. The method according to claim 3, characterized in that the organic extractant contains an organophosphorus compound of formula I
Figure 00000001

where R is a branched alkyl radical containing at least 12 carbon atoms, which may optionally bear one or more substituents that are inert under the extraction conditions, and n is 0 or 1. 5. Способ по п.4, отличающийся тем, что R представляет собой разветвленный алкильный радикал, содержащий по меньшей мере 16 углеродных атомов. 5. The method according to claim 4, wherein R is a branched alkyl radical containing at least 16 carbon atoms. 6. Способ по п.4 или 5, отличающийся тем, что R представляет собой радикал формулы II
Figure 00000002

где R1 и R2 представляют прямоцепочечные или разветвленные алкильные радикалы, которые вместе содержат по меньшей мере 14 углеродных атомов, и R1 содержит на 2 углеродных атома больше, чем R2.6. The method according to p. 4 or 5, wherein R is a radical of formula II
Figure 00000002

where R 1 and R 2 are straight-chain or branched alkyl radicals, which together contain at least 14 carbon atoms, and R 1 contains 2 carbon atoms more than R 2 . 7. Способ по п.6, отличающийся тем, что R представляет собой радикал формулы
Figure 00000003

8. Способ по п. 1, отличающийся тем, что органический комплекс представляет собой продукт обработки водного раствора металлической соли хелатообразующей смолой.7. The method according to claim 6, wherein R is a radical of the formula
Figure 00000003

8. The method according to p. 1, characterized in that the organic complex is the product of the processing of an aqueous solution of a metal salt with a chelating resin. 9. Способ по любому из пп.1 - 8, отличающийся тем, что содержание хлорида в слабокислом водном растворе хлорида аммония составляет по меньшей мере 5 мол. 9. The method according to any of paragraphs.1 to 8, characterized in that the chloride content in a weakly acidic aqueous solution of ammonium chloride is at least 5 mol. 10. Способ по любому из пп.1 - 9, отличающийся тем, что органический комплекс представляет собой комплекс сурьмы или висмута. 10. The method according to any of paragraphs.1 to 9, characterized in that the organic complex is a complex of antimony or bismuth.
RU96104389/02A 1993-08-11 1994-08-03 Method for isolation of metal from its organic complexes RU2125477C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9316641.1 1993-08-11
GB939316641A GB9316641D0 (en) 1993-08-11 1993-08-11 Chemical process
PCT/GB1994/001702 WO1995004835A1 (en) 1993-08-11 1994-08-03 A process for recovering metals

Publications (2)

Publication Number Publication Date
RU96104389A true RU96104389A (en) 1998-05-27
RU2125477C1 RU2125477C1 (en) 1999-01-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU96104389/02A RU2125477C1 (en) 1993-08-11 1994-08-03 Method for isolation of metal from its organic complexes

Country Status (13)

Country Link
EP (1) EP0713536B1 (en)
JP (1) JPH09504573A (en)
AT (1) ATE166671T1 (en)
AU (1) AU679092B2 (en)
BR (1) BR9407241A (en)
CA (1) CA2168036A1 (en)
DE (1) DE69410613T2 (en)
ES (1) ES2116603T3 (en)
FI (1) FI108733B (en)
GB (2) GB9316641D0 (en)
RU (1) RU2125477C1 (en)
WO (1) WO1995004835A1 (en)
ZA (1) ZA945940B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2156504B1 (en) * 1998-10-07 2002-02-01 Consejo Superior Investigacion PROCEDURE FOR THE SEPARATION COPPER (II) MOLIBDENE (VI) OF AQUOUS ACIDS BY LIQUID-LIQUID EXTRACTION.
CN101535510B (en) 2006-11-15 2012-09-05 株式会社半导体能源研究所 Method for collecting metal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3607007A (en) * 1969-06-30 1971-09-21 Sylvania Electric Prod Separation of molybdenum values from tungsten values by solvent extraction
US4235713A (en) * 1978-06-06 1980-11-25 Redondo Abad Angel Luis Process for the elimination of accumulated iron in organic phases of fluid-fluid extraction that contain di-2-ethyl-hexyl phosphoric acid
US4272492A (en) * 1979-05-31 1981-06-09 Jensen Wayne H Selective extraction and recovery of copper
US4409189A (en) * 1982-07-13 1983-10-11 The United States Of America As Represented By The Secretary Of The Interior Recovery of tungsten from brines
US4500498A (en) * 1984-01-19 1985-02-19 Cato Research, Inc. Ammonium chloride-ammonium hydroxide strip for the recovery of anhydrous zinc chloride
GB9303017D0 (en) * 1992-02-25 1993-03-31 Zeneca Ltd Chemical process

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