Molten-salt reactor
Type of nuclear reactor cooled by molten salt
Molten-salt reactor
A molten-salt reactor (MSR) is a class of nuclear fission reactor in which the primary nuclear reactor coolant and/or the fuel is a mixture of molten salt with a fissile material. MSRs can be grouped by the role the salt plays. In salt-fuelled designs, the fuel is dissolved in the salt. In the Molten-Salt Reactor Experiment, the salt functioned as both fuel and coolant combined, and circulated through the core and out to pumps and heat exchangers. In the stable salt reactor, the fuel salt stays inside fixed fuel pins. In salt-cooled designs such as the fluoride salt-cooled high-temperature reactor (FHR), solid fuel is cooled by molten salt. Using salt as fuel and as coolant are separate choices: the dual fluid reactor, for example, uses salt fuel with a metal coolant. MSRs can use fast or moderated (thermal) neutrons, and can burn fuel or breed it. MSRs are distinguished from the similar liquid metal cooled reactor, which may use sodium metal coolant (as opposed to a sodium salt). The...
Read on Wikipedia · Image U.S. DOE Nuclear Energy Research Advisory Committee, Public domain
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