Fuji Molten Salt Reactor

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The FUJI molten salt reactor is a molten-salt-fueled thorium fuel cycle thermal breeder reactor, using technology similar to the Oak Ridge National Laboratory's Molten Salt Reactor Experiment - liquid fluoride thorium reactor. It was being developed by the Japanese company International Thorium Energy & Molten-Salt Technology (IThEMS), together with partners from the Czech Republic. As a breeder reactor, it converts thorium into the nuclear fuel uranium-233. To achieve reasonable neutron economy, the chosen single-salt design results in significantly larger feasible size than a two-salt reactor (where blanket is separated from core, which involves graphite-tube manufacturing/sealing complications). Like all molten salt reactors, its core is chemically inert and under low pressure, helping to prevent explosions and toxic releases. The proposed design is rated at 200 MWe output.[1] The IThEMS consortium planned to first build a much smaller MiniFUJI 10 MWe reactor of the same design once it has secured an additional $300 million in funding.,[2] but closed in 2011 after being unable to secure it.[3]

The company Thorium Tech Solution acquired the FUJI design and some patents.[4]

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