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U.S. Department of Energy
Office of Scientific and Technical Information

Extraction process for removing metallic impurities from alkalide metals

Patent ·
OSTI ID:5452369

This patent describes a method for removing impurities from alkali metals except for sodium and lithium, comprising the steps of contacting molten lithium with a molten alkali metal containing impurities miscible in molten lithium metal for extracting essentially all of the impurities into the molten lithium metal, and thereafter separating the alkaki metal from the lithium metal containing the extracted impurities.

Assignee:
Dept. of Energy, Washington, DC
Patent Number(s):
US 4721525
OSTI ID:
5452369
Country of Publication:
United States
Language:
English