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Application

95118647/02, 1995-10-31

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Actual filing date

1995-10-31

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Published

1998-01-27

(72)

Inventor

Chekhova G.N.Mit'Kin V.N.Judanov N.F.Jakovlev I.I.Ukraintseva Eh.A.Abros'Kin I.E.Jutvalina E.I.Miroshnik N.P.Ushakov A.V.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Khimkontsentratov"Institut Neorganicheskoj Khimii So Ran

NICKEL UTILIZATION METHOD Russian patent published in 1998 - IPC

Abstract RU 2103390 C1

FIELD: hydrometallurgy of nonferrous metals. SUBSTANCE: simplifying utilization of nickel by way of isolating the latter as commercial product in a single process step, decreasing total volume of process solutions and reagents enabling creation of closed circuit is achieved when treating nickel-containing sorbent with water and ammonium sulfate at ratio 1:(0.6-1.8): (0.4-1.2) and further separating commercial product and regenerated sorbent. Mother liquor with ammonium sulfate added is utilized to treat a new portion of nickel-containing sorbent. EFFECT: simplified nickel utilization. 2 cl

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RU 2 103 390 C1

Authors

Chekhova G.N.

Mit'Kin V.N.

Judanov N.F.

Jakovlev I.I.

Ukraintseva Eh.A.

Abros'Kin I.E.

Jutvalina E.I.

Miroshnik N.P.

Ushakov A.V.

Dates

1998-01-27—Published

1995-10-31—Filed

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