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<p>This article presents the engineering and physical design of a&#xa0;molten salt reactor (MSR) with circulating fuel based on LiF–BeF<sub>2</sub> salt mixtures, intended for the transmutation of neptunium (Np), americium (Am), and curium (Cm). Neutronic calculations demonstrate the feasibility of constructing a&#xa0;high-power MSR with a&#xa0;transmutation rate of at least 250 kg/year of Np, Am, and Cm. The proposed reactor layout suggests that a&#xa0;modular loop configuration is optimal for enhancing transmutation efficiency. In this design, the reactor, equipment, and primary circuit pipelines are arranged within a&#xa0;compact protective housing, which serves to minimize the volume of fuel salt outside the reactor core. Figure:&#xa0;6, Tables:&#xa0;4, References:&#xa0;3.</p>

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Engineering and physical design of a molten salt reactor for transmutation of Np, Am, and Cm from spent VVER fuel

  • 期刊论文

  • 发表日期：

    2025年3月1日

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  • A. V. Lopatkin,
  • I . T. Tret’yakov,
  • I. A. Larionov,
  • M. A. Tuktarov,
  • I. V. Zayko,
  • D. S. Klimenko

摘要

This article presents the engineering and physical design of a molten salt reactor (MSR) with circulating fuel based on LiF–BeF2 salt mixtures, intended for the transmutation of neptunium (Np), americium (Am), and curium (Cm). Neutronic calculations demonstrate the feasibility of constructing a high-power MSR with a transmutation rate of at least 250 kg/year of Np, Am, and Cm. The proposed reactor layout suggests that a modular loop configuration is optimal for enhancing transmutation efficiency. In this design, the reactor, equipment, and primary circuit pipelines are arranged within a compact protective housing, which serves to minimize the volume of fuel salt outside the reactor core. Figure: 6, Tables: 4, References: 3.