Process for producing carbon black

Details Process for producing carbon black Process for producing carbon black

1992-09-04

1993-11-23

Lewis, Michael

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423456, C09C 150

Patent

active

052641996

ABSTRACT:
A process for producing carbon black by utilizing a reactor comprising a first gradually constricted reaction zone in which a mixture of a fuel and an oxygen-containing gas, is burned, a second gradually constricted reaction zone having a throat in which the resulting high temperature combustion gas is mixed and reacted with a hydrocarbon feedstock, and a third reaction zone provided with a quenching water spray for terminating the reaction, which comprises directing the high temperature combustion gas formed in the first reaction zone to form an axial stream flowing in substantially the same direction as the axial direction of the reactor, introducing the divided axial streams into the second reaction zone, and, in the second reaction zone, introducing the hydrocarbon feedstock from nozzles in a direction traversing the axial streams of the high temperature combustion gas.

REFERENCES:
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patent: 2769692 (1956-11-01), Heller
patent: 3301639 (1967-01-01), DeLand
patent: 4000250 (1976-12-01), Cheng
patent: 4039626 (1977-08-01), Johnson
patent: 4402929 (1983-09-01), Hunt
patent: 4729885 (1988-03-01), Cheng
patent: 4822588 (1989-04-01), Gravley et al.
patent: 5069892 (1991-12-01), Nakai

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