Rapid Transmutation of High-Level Nuclear Wastes in a Catalyzed Fusion-Driven System |
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Authors: | Nesrin Demir Gamze Genç Taner Altunok Hüseyin Yap?c? |
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Affiliation: | (1) Erciyes üniversitesi Mühendislik Fakültesi, 38039 Kayseri, Turkey;(2) Kara Harp Okulu, Savunma Bilimleri Enstitüsü, 06654 Ankara, Turkey |
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Abstract: | The aim of this study is to investigate the high-level waste (HLW) transmutation potential of fusion-driven transmuter (FDT)
based on catalyzed D–D fusion plasma for various fuel fractions. The Minor actinide (MA) (237Np, 241Am, 243Am and 244Cm) and long-lived fission product (LLFP) (99Tc, 129I and 135Cs) nuclides discharged from high burn-up pressured water reactor-mixed oxide spent fuel are considered as the HLW. The volume
fractions of the MA and LLFP are raised from 10 to 20% stepped by 2% and 10 to 80% stepped by 5%, respectively. The transmutation
analyses have been performed for an operation period (OP) of up to 6 years by 75% plant factor (η) under a first-wall neutron load (P) of 5 MW/m2 by using two different computer codes, the XSDRNPM/SCALE4.4a neutron transport code and the MCNP4B Monte Carlo code. The
numerical results bring out that the considered FDT has a high neutronic performance for an effective and rapid transmutation
of MA and LLFP as well as the energy generation along the OP. |
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Keywords: | Nuclear waste transmutation Catalyzed fusion Fusion-driven systems High level waste Long-lived fission products |
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