Apparatus for refining metal carbides containing free carbon

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

1981-12-28

1983-11-15

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

422145, 422146, 422147, 423345, C01B 3136, C01B 3130, C01B 3134, B01J 832

Patent

active

044155352

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.

REFERENCES:
patent: 2952617 (1960-09-01), Haig
patent: 3233981 (1966-02-01), Scott
patent: 3264751 (1966-08-01), McEntee
patent: 4135885 (1979-01-01), Wormser et al.

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