
A molten salt reactor (MSR) is a class of nuclear fission reactors in which the primary coolant, or even the fuel itself, is a molten salt mixture. MSRs run at higher temperatures than water-cooled reactors for higher thermodynamic efficiency, while staying at low vapor pressure. The nuclear fuel may be solid or dissolved in the coolant itself. In...
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http://en.wikipedia.org/wiki/Molten_salt_reactor

A thermal treatment unit that rapidly heats waste in a heat-conducting fluid bath of carbonate salt.
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https://www.encyclo.co.uk/local/20094
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