EPJ Nuclear Sci. Technol.
Volume 5, 2019
Progress in the Science and Technology of Nuclear Reactors using Molten Salts
|Number of page(s)
|Fuel cycle evaluation
|15 November 2019
Breed-and-burn fuel cycle in molten salt reactors
Paul Scherrer Institut, Nuclear Energy and Safety Division, Laboratory for Scientific Computing and Modelling,
2 École Polytechnique Fédérale de Lausanne, Laboratory for Reactor Physics and Systems Behavior, 1015 Lausanne, Switzerland
* e-mail: firstname.lastname@example.org
Received in final form: 1 July 2019
Accepted: 12 August 2019
Published online: 15 November 2019
The operation of a reactor on an open but self-sustainable cycle without actinide separation is known as breed-and-burn. It has mostly been envisioned for use in solid-fueled fast-spectrum reactors such as sodium-cooled fast reactors. In this paper the applicability of breed-and-burn to molten salt reactors is investigated first on a cell level using a modified neutron excess method. Several candidate fuel salts are selected and their performance in a conceptual three-dimensional reactor is investigated. Chloride-fueled single-fluid breed-and-burn molten salt reactors using enriched chlorine are shown to be feasible from a neutronics and fuel cycle point of view at the cost of large fuel inventories.
© B. Hombourger et al. published by EDP Sciences, 2019
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