Carbon black process

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

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C09C 150

Patent

active

040396266

ABSTRACT:
A method and apparatus for introducing combustion gases into a carbon black furnace, the method involving the introduction of the combustion gases at variable velocities to affect the structure of the black by affecting the extent of the contact between the hydrocarbon feed and the combustion gases. The apparatus includes means for varying the introduction velocity of the combustion gases.

REFERENCES:
patent: 3301639 (1967-01-01), DeLand
patent: 3355247 (1967-11-01), Krejci et al.
patent: 3490869 (1970-01-01), Heller
patent: 3522005 (1970-07-01), Braddock

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