NUCLEAR FUEL CYCLE - JAPAN ATOMIC ENERGY RES INST

Title:

NUCLEAR FUEL CYCLE

Document Type and Number:

WIPO Patent Application WO/1995/011509

Kind Code:

A1

Abstract:

A method of cycling a nuclear fuel for a fast breeder and a minor actinoids annihilation reactor, which provides a nuclear fuel cycle having technical advantages, such as a safety inherent in a nuclear reactor, a short fuel doubling time and a high uranium resources utilization factor, and economical advantages, comprising the steps of: preparing sphere pack type fuel pins including a nuclear fuel containing uranium-plutonium-mixed nitride fuel and a minor actinoids nitride fuel, and a sodium heat bonding material, installing the fuel pins in a reactor core and burning the same, subjecting the used fuel to fused salt electrolysis, converting the uranium, plutonium and minor actinoids deposited on a cathode into a high-order nitride, recovering the high-order nitride, converting the recovered high-order nitride into mononitride, and manufacturing a nuclear fuel, which contains a uranium-plutonium-mixed nitride fuel and a minor actinoids nitride fuel, from the mononitride.

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Inventors:

HANDA MUNEO
KOBAYASHI FUMIAKI
KATSUTA HIROJI

Application Number:

PCT/JP1994/001745

Publication Date:

April 27, 1995

Filing Date:

October 18, 1994

Export Citation:

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Assignee:

JAPAN ATOMIC ENERGY RES INST (JP)

International Classes:

C22B60/02; G21C1/02; G21C3/16; G21C3/30; G21C3/62; G21C19/44; G21C19/46; (IPC1-7): G21C3/62; G21C3/20; G21C19/44

Foreign References:

JPS61286788A	1986-12-17
JPH0196003A	1989-04-14
JPH04140694A	1992-05-14
JPH0552981A	1993-03-02
JPH04319699A	1992-11-10

Other References: