Method for refining metal carbides containing free carbon

Details Method for refining metal carbides containing free carbon Method for refining metal carbides containing free carbon

1980-01-02

1982-04-27

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Binary compound

422139, 423DIG16, 423439, 423440, C01B 3130, C01B 3134, C01B 3136

Patent

active

043270670

ABSTRACT:
Metal carbide powders containing free carbon which have heretofore been difficult to refine can be refined excellently by charging the metal carbide powders in a fluidizing bed consisting of fluidized heat-resistant particles and having a temperature of a determined range to burn and remove the free carbon contained therein, and by subsequently discharging refined metal carbide powders and combustion gas from an upper part of the fluidizing bed for recovery of the refined metal carbide powders.

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