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Title: SEPARATING HAFNIUM FROM ZIRCONIUM

Abstract

Substantially complete separation of zirconium from hafnium may be obtained by elution of ion exchange material, on which compounds of the elements are adsorbed, with an approximately normal solution of sulfuric acid. Preferably the acid concentration is between 0.8 N amd 1.2 N, amd should not exceed 1.5 N;. Increasing the concentration of sulfate ion in the eluting solution by addition of a soluble sulfate, such as sodium sulfate, has been found to be advantageous. The preferred ion exchange materials are sulfonated polystyrene resins such as Dowex 50,'' and are preferably arranged in a column through which the solutions are passed.

Inventors:
; ;
Issue Date:
OSTI Identifier:
4314218
Patent Number(s):
2759792
Assignee:
U.S. Atomic Energy Commission
Patent Classifications (CPCs):
C - CHEMISTRY C01 - INORGANIC CHEMISTRY C01G - COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C - CHEMISTRY C22 - METALLURGY C22B - PRODUCTION AND REFINING OF METALS
NSA Number:
NSA-12-004584
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-58
Country of Publication:
United States
Language:
English
Subject:
PATENTS; ADSORPTION; DOWEX; ENRICHMENT; HAFNIUM; ION EXCHANGE MATERIALS; PATENT; POLYSTYRENE; RESINS; SEPARATION PROCESSES; SODIUM SULFATES; SOLUTIONS; SULFATES; SULFURIC ACID; ZIRCONIUM

Citation Formats

Lister, B A.J., Duncan, J F, and Hutcheon, J M. SEPARATING HAFNIUM FROM ZIRCONIUM. United States: N. p., 1956. Web.
Lister, B A.J., Duncan, J F, & Hutcheon, J M. SEPARATING HAFNIUM FROM ZIRCONIUM. United States.
Lister, B A.J., Duncan, J F, and Hutcheon, J M. Tue . "SEPARATING HAFNIUM FROM ZIRCONIUM". United States.
@article{osti_4314218,
title = {SEPARATING HAFNIUM FROM ZIRCONIUM},
author = {Lister, B A.J. and Duncan, J F and Hutcheon, J M},
abstractNote = {Substantially complete separation of zirconium from hafnium may be obtained by elution of ion exchange material, on which compounds of the elements are adsorbed, with an approximately normal solution of sulfuric acid. Preferably the acid concentration is between 0.8 N amd 1.2 N, amd should not exceed 1.5 N;. Increasing the concentration of sulfate ion in the eluting solution by addition of a soluble sulfate, such as sodium sulfate, has been found to be advantageous. The preferred ion exchange materials are sulfonated polystyrene resins such as Dowex 50,'' and are preferably arranged in a column through which the solutions are passed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1956},
month = {8}
}