Molten salt destruction of alkali and alkaline earth metals

Details Molten salt destruction of alkali and alkaline earth metals Molten salt destruction of alkali and alkaline earth metals

1993-07-13

1994-09-20

Walsh, Donald P.

Hazardous or toxic waste destruction or containment

Destruction or containment of radioactive waste

Chemical conversion to a stable solid for disposal

588201, 423163, 423165, 423186, 423189, 423190, 423197, 423 2, G21F 900

Patent

active

053486897

ABSTRACT:
A process for destroying alkali metal and alkaline earth metal-containing wastes, such as sodium, by feeding such waste into a molten bath containing a molten salt such as sodium carbonate, or a mixture of salts having a lower melting point, such as a mixture of sodium carbonate and an alkali metal halide, e.g. sodium chloride, or mixtures of alkali metal chlorides, feeding a mixture of carbon dioxide and oxygen into the molten salt bath and reacting the alkali metal or alkaline earth metal such as sodium in the waste with the carbon dioxide and oxygen to form alkali metal carbonate, e.g. sodium carbonate, in the molten salt bath.

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patent: 4643846 (1987-02-01), Kanai et al.
patent: 4800003 (1989-01-01), Peacey et al.
patent: 4895678 (1990-01-01), Ohtsuka et al.

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