Molten salt is salt that is solid at standard temperature and pressure (STP) but enters the liquid phase due to elevated temperature. A salt that is normally liquid even at STP is usually called a room temperature ionic liquid, although technically molten salts are a class of ionic liquids.
Molten salts have a variety of uses. Molten chloride salt mixtures are commonly used as baths for various alloy heat treatments, such as annealing and martempering of steel. Cyanide and chloride salt mixtures are used for surface modification of alloys such as carburizing and nitrocarburizing of steel.
Cryolite (a fluoride salt) is used as a solvent for aluminium oxide in the production of aluminium in the Hall-Héroult process. Fluoride, chloride, and hydroxide salts can be used as solvents in pyroprocessing of nuclear fuel. Molten salts (fluoride, chloride, and nitrate) can also be used as heat transfer fluids as well as for thermal storage. This thermal storage is commonly used in molten salt power plants.
Molten salts, sometimes referred to as salt melts, are a family of products used for a wide range of applications like high-temperature process heating, heat treating and annealing of steel, and thermal storage in solar thermal power plants. These salts are composed of fluoride, chloride, and nitrate salts.
Molten salt By Product Type
Binary Molten Salt
Ternary Molten Salt
Molten salt Applications Type
Thermal Energy Storage
Chemical Industry
Metallurgical Production
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