The Fluorination of Uranium from Dried Solids and Its Application to the Fluoride Volatility Process PDF Download
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Author: Carl E. Johnson Publisher: ISBN: Category : Fluorination Languages : en Pages : 42
Book Description
The ADF fluoride volatility process employs the unit processes of dissolution, fluidized bed drying and fluorination to recover fissile material from reactor fuels. Variables that affect the removal from dried solids representative of those obtained from dissolver solutions of high zirconium alloy fuels were studied. Variables investigated were particle size, additives, temperature, time, hydrofluorination and pyrolysis. Application of the study of Dresden and APPR type fuels was also considered.
Author: Carl E. Johnson Publisher: ISBN: Category : Fluorination Languages : en Pages : 42
Book Description
The ADF fluoride volatility process employs the unit processes of dissolution, fluidized bed drying and fluorination to recover fissile material from reactor fuels. Variables that affect the removal from dried solids representative of those obtained from dissolver solutions of high zirconium alloy fuels were studied. Variables investigated were particle size, additives, temperature, time, hydrofluorination and pyrolysis. Application of the study of Dresden and APPR type fuels was also considered.
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The fluorination of uranium from dried solids representative of those obtained from the fluid-bed drying of dissolver solutions of high zirconium alloy fuels. e.g. Dresden and Army Package Power Reactor fuels, was studied under a variety of conditions. Variables investigated were particle size, additives, temperature, time. hydrofluorination, and pyrolysis. Temperatures in excess of 650 deg C were needed to ensure complete removal of uranium from the solid. Pyrolysis with HF of previously fluorinated materials aided in uranium removal from the zirconium solid. (C.J.O.).
Author: R. L. Jarry Publisher: ISBN: Category : Fluidized reactors Languages : en Pages : 46
Book Description
Work in the development of fluid-bed fluoride volatility processes is described. In these processes, uranium and plutonium in spent nuclear fuels are converted into hexafluoride compounds in a fluid-bed reactor. The uranium and plutonium hexafluorides are volatile and can be separated from fission products, cladding, and alloying materials by techniques such as vaporization and distillation. The experimental work was directed toward devising a fluorination procedure for uranium and plutonium dioxides which would result in a high degree of removal of uranium and plutonium as hexafluorides.
Author: N. Levitz Publisher: ISBN: Category : Chemical reactions Languages : en Pages : 110
Book Description
A process scheme for the recovery of uranium from fuel elements has been developed. The scheme combines continuous fluid-bed drying and fluoride volatility techniques after initial dissolution of the fuel element in the appropriate aqueous system, hence the designation ADF, Aqueous Dry Fluorination Process. The application of this process to the recovery of uranium from highly enriched, low uranium-zirconium alloy plate-type fuels is described.
Author: Carl E. Johnson
Author: Carl E. Johnson
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Author: Robert K. Steunenberg
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Author: Earl W. Mautz
Author: G. I. Gathers
Author: R. L. Jarry
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Author: N. Levitz