SEPARATION OF ZIRCONIUM AND HAFNIUM USING ANION-EXCHANGE RESINS. PART III. RESOLUTION OF HAFNIA CONCENTRATES
Journal Article
·
· J. Sci. Ind. Research (India)
OSTI ID:4182913
The anion-exchange method of separating hafnium from zirconium previously reported for resolving a naturally occurring mixture (Hf/Zr, 3%) was modified and applied to hafnia concentrates. A complete separation of the two constituents was achieved on a suifate exchanger by elution with dilute sulfuric acid. About 50% of the eluting acid (pre-breakthrough volume) can be recycled. Gram loads of hafnia concentrates were found to give 93 to 95% recovery of pure hafnia (Zr/Hf, < 0.1%) on 1.5 x 120 cm resin columns. (auth)
- Research Organization:
- National Chemical Lab., Poona, India
- NSA Number:
- NSA-14-006349
- OSTI ID:
- 4182913
- Journal Information:
- J. Sci. Ind. Research (India), Journal Name: J. Sci. Ind. Research (India) Vol. Vol: 18B
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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