Production of carbon black from coal

Details Production of carbon black from coal Production of carbon black from coal

1975-06-02

1976-08-17

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423450, 423455, 423456, 232595, C09C 150

Patent

active

039755045

ABSTRACT:
A method and apparatus for producing carbon black by pyrolytic decomposition of coal with hot combustion gases. In a cylindrically shaped vertical reactor coal is tangentially introduced, thus establishing a helically flowing mass of pulverized coal. This mass is contacted with hot combustion gases. Fine ashes are withdrawn from the upper portion of the reactor at the periphery and coarse ashes are withdrawn from the lower portion of the reactor from the periphery. Carbon black-containing gases are withdrawn from the area of the vertical axis of the reactor overhead.

REFERENCES:
patent: 2656254 (1953-10-01), Heller
patent: 2716053 (1955-08-01), Mayland
patent: 3073681 (1963-01-01), Ceresna
patent: 3076695 (1963-02-01), Claassen et al.
patent: 3175888 (1965-03-01), Krejci
patent: 3404960 (1968-10-01), Mansfield
patent: 3424556 (1969-01-01), Johnson
patent: 3728437 (1973-04-01), VanderVeen
patent: 3773904 (1973-11-01), Iyengar et al.

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