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Process for the recovery of strontium from acid solutions

Patent ·
OSTI ID:7275782
;

The invention is a process for selectively extracting strontium and technetium values from aqueous nitric acid waste solutions containing these and other fission product values. The extractant is a macrocyclic polyether in a diluent which is insoluble in water, but which will itself dissolve a small amount of water. The process will extract strontium and technetium values from nitric acid solutions which are up to 6 molar in nitric acid. 5 figs.

DOE Contract Number:
W-31109-ENG-38
Assignee:
Dept. of Energy, Washington, DC (United States)
Patent Number(s):
US 5100585; A
Application Number:
PPN: US 7-506125
OSTI ID:
7275782
Country of Publication:
United States
Language:
English

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Related Subjects

052001* -- Nuclear Fuels-- Waste Processing
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
ALCOHOLS
ALKALINE EARTH METALS
CONCENTRATION RATIO
ELEMENTS
EXTRACTION
GLYCOLS
HYDROXY COMPOUNDS
MANAGEMENT
MATERIALS RECOVERY
METALS
ORGANIC COMPOUNDS
ORGANIC POLYMERS
POLYETHYLENE GLYCOLS
POLYMERS
PROCESSING
RADIOACTIVE WASTE MANAGEMENT
RADIOACTIVE WASTE PROCESSING
SEPARATION PROCESSES
STRONTIUM
TECHNETIUM
TRANSITION ELEMENTS
WASTE MANAGEMENT
WASTE PROCESSING