NICKEL DESORPTION METHOD

FIELD: hydrometallurgy of nonferrous metals. SUBSTANCE: invention dealing with desorption of nickel from sorbent can be applied in electroplating practice to concentrate nickel solutions when solving environmental problems. Concentration of nickel in eluate and decrease in total volume of process so...

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Main Authors ABROS'KIN I.E, JUTVALINA E.I, JAKOVLEV I.I, UKRAINTSEVA EH.A, USHAKOV A.V, MIT'KIN V.N, JUDANOV N.F, MIROSHNIK N.P, CHEKHOVA G.N
Format Patent
LanguageEnglish
Published 27.01.1998
Edition6
Subjects
CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
FERROUS OR NON-FERROUS ALLOYS
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:FIELD: hydrometallurgy of nonferrous metals. SUBSTANCE: invention dealing with desorption of nickel from sorbent can be applied in electroplating practice to concentrate nickel solutions when solving environmental problems. Concentration of nickel in eluate and decrease in total volume of process solutions is achieved by treating sorbent with 12-25% sodium sulfate, sodium chloride, or ammonium chloride solution at 17-18 C using discrete eluate takeoff followed by washing sorbent by water in the same conditions. EFFECT: improved environmental condition.
Bibliography:Application Number: RU19950118629