Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/289
Title: Production of uranium hexafluoride by the catalysed fluorox process: pilot plant and supporting bench-scale studies.
Authors: Janov, J
Charlton, BG
LePage, AH
Vilkaitis, VK
Issue Date: Apr-1982
Publisher: Australian Atomic Energy Commission
Citation: Janov, J., Charlton, B. G., LePage, A. H., & Vilkaitis, V. K. (1982). Production of uranium hexafluoride by the catalysed fluorox process pilot plant and supporting bench-scale studies (AAEC/E518). Lucas Heights, NSW: Research Establishment, Australian Atomic Energy Commission.
Abstract: The feasibility of producing UF 6 by the catalysed reaction of UF 4 with oxygen (the Fluorox process) was investigated in a 150 mm diameter fluidised bed reactor and in supporting bench-scale experiments. The rate of the Fluorox reaction in batch experiments was increased by an order of magnitude with 1 to 5 per cent catalyst (containing 3 to 4 per cent platinum on alumina). The maximum UF 6 production rate at 650 deg. C was 0.9 kg h -1. However the platinum catalyst was completely poisoned after production of only 1 and 20 kg UF 6 per kg of catalyst when using respectively French and British UF 4. Regeneration of the catalyst was demonstrated to be technically feasible by washing with water or ammonium oxalate solution or treating with hydrogen and hydrogen fluoride at 350-650 deg. C. However since the very fast rate of poisoning would necessitate higher catalyst concentrations and/or frequent regeneration the catalysed Fluorox process in unlikely to be economically competitive with the direct fluorination of UF sub 4.
Gov't Doc #: 383
URI: http://apo.ansto.gov.au/dspace/handle/10238/289
ISBN: 0642597375
Appears in Collections:Scientific and Technical Reports

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