METHOD FOR PRODUCING GRANULATED SOLID EXTRACTION SOLUTIONS ON THE BASE OF MACROCYCLE POLYETHER Russian patent published in 1994 - IPC

Abstract RU 2009139 C1

FIELD: hydrometallurgy, analytic chemistry. SUBSTANCE: melted mixture of fusible inert organic compound, macrocycle polyether and halogenated organic solvent is dispersed in the medium of starch aqueous solution. Starch solution concentration is 0.5-2.0% , quantity of halogenated organic solvent is 10-30% . The process takes place at 70-80 C. Mixture is cooled by mixing. Granules are washed by deionized water. Uncompletely chlorinated organic compounds are used as organic solvent. EFFECT: improves efficiency of the method. 2 cl, 4 tbl

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RU 2 009 139 C1

Authors

Jakshin V.V.

Vilkova O.M.

Tsarenko N.A.

Dates

1994-03-15—Published

1992-02-05—Filed