2019 Annual Meeting

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Oral presentation

III. Fission Energy Engineering » 301-2 Reactor Design, Nuclear Energy Strategy, Nuclear Transmutation

[1K12-14] Nuclear Transmutation

Wed. Mar 20, 2019 3:50 PM - 4:40 PM Room K (Common Education Bildg. 2 3F No.33)

Chair:Satoshi Wada(TOSHIBA ESS)

3:50 PM - 4:05 PM

[1K12] Rhenium Production with Low Specific Radioactivity By Irradiating Fast neutrons

Study of Reducing Specific Radioactivity of Rhenium

*Tsugio Yokoyama1, Masaki Ozawa2 (1. Toshiba Technical Services International Corporation, 2. Tokyo Tech)

Keywords:Nuclear transmutation, Fast neutron, Neutron absorber, Rhenium, Specific radioactivity

Rhenium isotope composition produced by irradiating tungsten in fast reactors has been evaluated by a continuous energy Monte Carlo code. The specific radioactivity of the rhenium is reduced by approx. 1/30 that of natural rhenium by selecting neutron energy and configration of moderator and absorber.