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[en] Plutonium use based on FBRs will enable a large reduction in the dependence on imported natural uranium. The prototype FBR Monju is being developed as a national project with the long term aim of accumulating experience to reach the technical level for the FBRs to be competitive with that of LWRs. The construction (started in 1985) and layout are described and the principal Monju plant design characteristics are given. 1 fig., 1 tab
Journal
[en] The construction of the 280-MW MONJU, started from October 1985, a Japanese national project by Power Reactor and Nuclear Fuel Development Corporation (PNC), has been completed in April 1991 as scheduled. Fuji Electric has supplied the fuel handling and storage system, such as the ex-vessel transfer machine and ex-vessel storage tank, and the radioactive gaseous and liquid waste treatment system. Fuji Electric have carried out the design, fabrication and construction, utilizing the experience obtained in JOYO and the results of R and D for MONJU, under the direction of PNC and Japan Atomic Power Co. responsible for administration at the site. (author)
Journal
[en] MONJU is a prototype fast breeder reactor in Japan designed to have a 280-MW(electric) output. The Power Reactor and Nuclear Fuel Development Corporation (PNC) started its construction in the autumn of 1985 in Tsuruga. The loading of the core fuel assemblies was started in October 1993, and the preoperational test is ongoing. MONJU uses 198 mixed-oxide (MOX) fuel assemblies as core fuel and 172 depleted uranium assemblies as blanket fuel. Assemblies loaded in-core and stored in the ex-vessel storage tank (EVST) reside in liquid sodium. These plutonium-containing fuel assemblies, MOX, and irradiated depleted uranium are regarded as in the difficult-to-access area, and the flows of fuel assemblies into and out of the area must be verified. Flow is verified by fuel flow monitors measuring radiation, which can limit inspector attendance during fuel handling
Journal
[en] Pre-operational tests of the Monju fast breeder reactor (FBR) by the Power Reactor and Nuclear Fuel Development Corporation (PNC) are now under way in Japan at the Siraki site located on the Tsuruga Peninsula of Fukui Prefecture, about 400 km west of Tokyo. Monju is a 280 MWe loop-type power reactor using plutonium-uranium mixed oxide as the fuel and liquid sodium as the coolant. The Monju plant incorporates the results of numerous research and development (R and D) activities, as well as the experience gained from the design, construction and operation of the experimental fast reactor Joyo at the Oarai Engineering Center (OEC) of PNC). The start of pre-operational tests follows the completion of construction on schedule in April 1991. The Monju reactor achieved first criticality on 5 April 1994, and nuclear heating tests were in progress during July 1995. (author)
Source
Uranium Inst., London (United Kingdom); 191 p; ISBN 0 946777 32 2; 
; 1995; p. 74-78; The Uranium Institute; London (United Kingdom); 20. international symposium on uranium and nuclear energy: 1995; London (United Kingdom); 6-8 Sep 1995
; 1995; p. 74-78; The Uranium Institute; London (United Kingdom); 20. international symposium on uranium and nuclear energy: 1995; London (United Kingdom); 6-8 Sep 1995
No abstract available
Source
British Nuclear Energy Society, London; p. 101-104; ISBN 0727700014; ; 1974; Thomas Telford; London; International conference on fast reactor power stations; London, UK; 11 Mar 1974
; 1974; Thomas Telford; London; International conference on fast reactor power stations; London, UK; 11 Mar 1974
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