Method of making carbon black having low ash content from carbon

Details Method of making carbon black having low ash content from carbon Method of making carbon black having low ash content from carbon

1985-03-01

1986-05-20

Heller, Gregory A.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423450, 252373, C01B 3102, C09C 148, C07C 102

Patent

active

045900566

ABSTRACT:
Commercially acceptable carbon black may be produced from coal or other carbonaceous material with the ash content in the resultant product kept below approximately one percent (1%) by controlling the oxygen to coal weight ratio so that it is less than 0.4 and by starting the process with coal or other carbonaceous material in a size range of from 75 to 1700 microns.

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