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2 051 106

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5064764/26, 1992-10-09

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Actual filing date

1992-10-09

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Published

1995-12-27

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Inventor

Pashkovskij A.A.Rogov P.V.Chernov A.I.Karchevskij A.V.Mel'Nikov B.I.Shargunov V.G.Moiseev Ju.P.Lozitskij Ju.N.Chepajkina L.I.Golovach S.V.

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Holder

Kombinat

METHOD OF ISOLATION OF NICKEL SULFATE FROM SOLUTION Russian patent published in 1995 - IPC

Abstract RU 2051106 C1

FIELD: inorganic chemistry. SUBSTANCE: parental solution containing nickel sulfate is acidified with sulfuric acid up to pH 2.5-6.0, evaporated and the end product is crystallized from evaporated solution by cooling for 2 stages with intermediate exposition at the constant temperature. Solution is cooled at the first stage at the rate 120-720 degree/hr, exposition is performed at 32-35 C for 4-5 hr. EFFECT: improved method of isolation. 1 tbl

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RU 2 051 106 C1

Authors

Pashkovskij A.A.

Rogov P.V.

Chernov A.I.

Karchevskij A.V.

Mel'Nikov B.I.

Shargunov V.G.

Moiseev Ju.P.

Lozitskij Ju.N.

Chepajkina L.I.

Golovach S.V.

Dates

1995-12-27—Published

1992-10-09—Filed

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