Plutonium and Minor Actinide Transmutation by Long Irradiation in LWR

by A. Facchini, Nucl. Eng. Dept. Politecnico di, Milano, Milan, Italy,
V. Sanjust, Nucl. Eng. Dept. Politecnico di, Milano, Milan, Italy,



Document Type: Proceeding Paper

Part of: High Level Radioactive Waste Management 1993

Abstract:

An investigation was made on the conceptual possibility of burning in a thermal reactor MOX fuel together with special pins containing plutonium, minor actinides and long-lived fission products, recovered from the reprocessing and previously irradiated MOX fuel and mixed with an inter matrix. Preliminary calculations showed that the long- term radiotoxicity of the above special pins is reduced to reasonable levels when they are irradiated up to 20 ? 30 years, and cooled for some centuries. In particular, during the whole life such a reactor should be able to burn a considerable fraction of plutonium, minor actinides and long-lived fission products recovered from the MOX fuel irradiated along the same period of time.

Subject Headings: Radiation | Fuels | Waste treatment | Radioactive materials | Combustion | Waste disposal | Toxicity

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