Method and apparatus for heat treating carbonaceous material...

Details Method and apparatus for heat treating carbonaceous material... Method and apparatus for heat treating carbonaceous material...

C - Chemistry, Metallurgy

01

B

196/11, 23/302,

C01B 31/00 (2006.01) C09C 1/44 (2006.01) C10B 19/00 (2006.01) C10B 47/24 (2006.01) C10L 9/08 (2006.01)

Patent

CA 1091895

ABSTRACT OF THE DISCLOSURE A method and apparatus for the continuous high temperature treatment of sulfur-containing carbonaceous particles in an electrethermally heated fluidized bed is disclosed. In one aspect of the invention, a fiuidizing stream is passed through carbonaceous particles introduced into a fluidizing zone at a velocity sufficient to fluidize said carbonaceous particles. The carbonaceous particles are heated in a fluidized state, and controllably fed into and discharged from the fluidizing zone at a rate sufficient to assure that the sulfur content of the particles are reduced below 0.5%. In another aspect of the invention, at least a portion of the carbonaceous material is transformed from a relatively amorphous molecular state, into a graphite crystal- line state.

252653

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