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Title: Pilot plant development of processes for the production of nuclear grade uranium oxide.
Authors: Alfredson, PG
Keywords: Pilot plants
Solvent extraction
Uranium dioxide
Issue Date: Nov-1972
Publisher: Australian Atomic Energy Commission
Citation: Alfredson, P. G. (1972). Pilot plant development of processes for the production of nuclear grade uranium oxide (AAEC/E245). Lucas Heights N.S.W.: Australian Atomic Energy Commission, Research Establishment.
Abstract: Most types of nuclear power reactors use fuel in the form of high density-uranium dioxide pellets clad in Zircaloy. Sinterable uranium dioxide powder is usually produced via the ammonium diuranate (ADU) route. This involves dissolution of uranium ore concentrates (yellow cake) in nitric acid, purification by solvent extraction using tributyl phosphate in kerosene, precipitation of ADU, filtration, drying, calcination and reduction with hydrogen to give uranium dioxide powder. The AAEC has carried out pilot plant development of these processes to demonstrate the production of nuclear grade uranium dioxide from Australian yellow cake and to improve the processes and technology wherever possible.
Gov't Doc #: 239
ISBN: 0642995214
Appears in Collections:Scientific and Technical Reports

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