Review of processes for the production of hafnium-free zirconium.

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dc.contributor.authorRoyston, Den_AU
dc.contributor.authorAlfredson, PGen_AU
dc.date.accessioned2007-11-22T04:33:32Zen_AU
dc.date.accessioned2010-04-30T04:41:32Zen_AU
dc.date.available2007-11-22T04:33:32Zen_AU
dc.date.available2010-04-30T04:41:32Zen_AU
dc.date.issued1970-10en_AU
dc.description.abstractThe three main industrial processes for the production of hafnium-free zirconium are described in terms of their head-end, zirconium-hafnium separation and zirconium metal forming steps. Possible improvements and alternative processes are outlined. Zirconium-hafnium separation schemes based on selective reduction of the chlorides or distillation and sublimation techniques show the most promise for future development in competition with the established hexone-thiocyanate and TBP-nitric acid solvent extraction schemes. Head-end steps involving direct chlorination of zircon in fluidised beds or caustic fusion and metal production via electrowinning warrant further development.en_AU
dc.identifier.citationRoyston, D., & Alfredson, P. (1970). Review of processes for the production of hafnium-free zirconium (AAEC/TM570). Lucas Heights, N.S.W.: Research Establishment, Australian Atomic Energy Commission.en_AU
dc.identifier.govdoc869en_AU
dc.identifier.isbn0642993947en_AU
dc.identifier.otherAAEC-TM-570en_AU
dc.identifier.placeofpublicationLucas Heights, New South Walesen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/859en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectZirconiumen_AU
dc.subjectHafniumen_AU
dc.subjectDistillationen_AU
dc.subjectSublimationen_AU
dc.subjectSolvent extractionen_AU
dc.subjectFluidized bedsen_AU
dc.titleReview of processes for the production of hafnium-free zirconium.en_AU
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