Technical Feasibility of an Integral Fast Reactor (IFR) as a Future Option for Fast Reactor Cycles

Sasakawa Peace Foundation
February 26, 2018

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The concept of an Integral Fast Reactor (IFR), which integrates a sodium-cooled small metal-fueled fast reactor with pyroprocessing facilities, could be an option for future fast reactor cycles. The Sasakawa Peace Foundation in 2016 commissioned a paper and hosted meetings to explore this idea. In examining the technical feasibility of using such a system for processing fuel debris from the Fukushima Dai-ichi nuclear power plant and recycling it as reactor fuel, the paper examines three topics: 1) pyroprocessing systems; 2) small metal-fueled fast reactors; and 3) the safety design concept of a small metal-fueled fast reactor. The paper concludes that such an experiment could be a possible subject of future U.S.-Japan cooperation, and would have a total construction cost in the range of cost in the range of $2 to 3 billion.

 

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