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2 200 131

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Application

2002106723/12, 2002-03-15

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Start date

2002-03-15

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Actual filing date

2002-03-15

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Published

2003-03-10

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Inventor

Karmannikov V.P.Bukin V.I.Jurasova O.V.Draenkov A.N.Evstifeev A.A.Ozhigov A.V.Bljudenov I.V.Jaushev M.G.

(73)

Holder

Karmannikov Vladimir Pavlovich

PALLADIUM EXTRACTION METHOD Russian patent published in 2003 - IPC

Abstract RU 2200131 C1

FIELD: precious metal technology. SUBSTANCE: palladium is extracted with sulfide-containing extractant and then reextracted with ammonium chloride/sodium carbonate mixture (10-214 and 10-100 g/l, respectively). Contacting time during reextraction varies between 5 and 30 min and ratio of organic to aqueous phases is 1:(0.1-3). EFFECT: enabled recovery of palladium both from sulfide and from sulfoxide extractants, reduced phase separation time. 3 cl, 5 ex

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RU 2 200 131 C1

Authors

Karmannikov V.P.

Bukin V.I.

Jurasova O.V.

Draenkov A.N.

Evstifeev A.A.

Ozhigov A.V.

Bljudenov I.V.

Jaushev M.G.

Dates

2003-03-10—Published

2002-03-15—Filed