METHOD FOR SEPARATION OF RARE-EARTH ELEMENTS Russian patent published in 1995 - IPC

Abstract RU 2039705 C1

FIELD: separation of rare- earth elements. SUBSTANCE: water phase contains solution of neodymium chlorides in hydrochloric acid. Organic phase solution of D2EGFK in toluene. Phases are contacted so that they layers remain immiscible. Contact time is 1-4 s. Phases are separated. Separation efficiency is 1.25-1.63. EFFECT: higher efficiency. 2 cl, 2 tbl

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RU 2 039 705 C1

Authors

Kizim Nikolaj Fedorovich

Davydov Jurij Petrovich

Tarasov Valerij Vasil'Evich

Dates

1995-07-20Published

1991-01-18Filed