Abstract

The concept of Molten Salt Fast Reactor (MSFR) has been selecting by the Generation IV International forum as it presents interesting features in terms of safety, sustainability and economics. SAMOFAR project aims to provide the safety assessment of the MSFR concept based on the Thorium fuel cycle. This document provides the radiological assessments for the chemical plant, including shielding requirements and decay heat evaluations.

Highlights

  • Molten Salt Fast Reactor (MSFR) is one of the six fission reactor concepts that has been selected by the Generation IV International Forum [1] as it satisfies the goals of Generation IV reactors in terms of safety, sustainability, nonproliferation, waste management and economics

  • The MSFR concept is based on the design developed by the CNRS Grenoble [3], which is characterized by a fast neutron spectrum, a fluoride liquid fuel and using the Thorium fuel cycle

  • To perform the safety assessment related to the chemical plant, a new tool has been developed that permits to compute the different inventories involved in any locations of the reprocessing unit

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Summary

Introduction

Molten Salt Fast Reactor (MSFR) is one of the six fission reactor concepts that has been selected by the Generation IV International Forum [1] as it satisfies the goals of Generation IV reactors in terms of safety, sustainability, nonproliferation, waste management and economics. Within this framework, the project SAMOFAR (Safety Assessment of the Molten Salt Fast Reactor) aims to update the conceptual design, to deliver the experimental proof of concept of the safety features of the MSFR, to provide a safety assessment for both the reactor and the chemical plant and to deliver a roadmap for further exploitation of the project results [2]. This concerns the assessment of the radiological constraints associated to nuclides inventories involved in each chemical processes

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