Method for heat treating carbonaceous material in a fluidized be

Details Method for heat treating carbonaceous material in a fluidized be Method for heat treating carbonaceous material in a fluidized be

1978-07-21

1979-07-10

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423DIG16, 423460, 423461, C01B 3102, C01B 3104

Patent

active

041608135

ABSTRACT:
A method and apparatus for the continuous high temperature treatment of sulfur-containing carbonaceous particles in an electrothermally heated fluidized bed is disclosed. In one aspect of the invention, a fluidizing 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 crystalline state.

REFERENCES:
patent: 1004923 (1911-10-01), Smith
patent: 2780527 (1957-02-01), Marisic et al.
patent: 3006838 (1961-10-01), Johnson
patent: 3009781 (1961-11-01), Johnson et al.
patent: 3130133 (1964-04-01), Loevenstein
patent: 3305661 (1967-02-01), Shine et al.
patent: 3684446 (1972-08-01), Markel
Goldberger et al., "Chemical Engineering Progress", vol. 61, No. 2, 1965, pp. 63-67.
Reh "Chemical Engineering Progress", vol. 67, No. 2, 1971, pp. 58-63.

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