Thus, allowing also for reversion, this process can never exceed a maximum of about fifty percent efficiency unless the sodium values in the flux are recovered.
This flux-can not be fed directly back into the high temperature reactor, however, because the high sodium hydroxide content thereof would react with the graphite lining ofthe reactor and destroy it within a relatively short period of time.
The process was continuously monitored via the concentration change of CO and CO in off-gas.
Reduction rate values in experiments where 150-micron-diameter graphite flakes were submerged into the slag and left to float slowly to the top are about four times higher compared with when graphite flakes were dispersed at the top surface of liquid slag.
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In the process of condensing the sodium vapor, some dross is formed and must be separated from the molten sodium.It is said to be safer, stronger, denser, more thermally conductive and having a higher temperature tolerance.Challenges to implementation of the fuel include a complex conversion route from enriched UF6, the need to prevent oxidation during manufacturing and the need to define and license a final disposal route. Uranium tetrafluoride is exposed to ammonia gas under high pressure and temperature, which replaces the fluorine with nitrogen and generates hydrogen fluoride. 7566) This invention relates to a process for producing sodium and is particularly directed to an improved cyclical method of making sodium by the carbothermic reduction of sodium carbonate.This can be accomplished by fluxing the dross from the mixture of molten sodium and dross by adding thereto sodium hydroxide, but the amount of sodium hydroxide required for this fluxing operation is such that approximately 0.575 mole of sodium (in the form of the hydroxide) must be added for each mole of sodium recovered.