Radial secondary gas flow carbon black reaction method

Details Radial secondary gas flow carbon black reaction method Radial secondary gas flow carbon black reaction method

1978-05-04

1980-08-05

Vertiz, O. R.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423450, C01B 3102, C09C 148

Patent

active

042161932

ABSTRACT:
A method is provided for producing a carbon black with a tint residual below -6. The method entails introducing feedstock axially and generating a hot combustion gas vortex in a cylindrical precombustion section of a tubular carbon black reactor, producing a first mixture of feedstock and combustion gases, passing the mixture through an abruptly restricted passage axially connected to the precombustion section, abruptly expanding the first mixture into a frustoconical venturi converging section of the reactor with mixing of this first mixture with an additional flow of combustion gas at the exit of the converging section with the combustion gas entering the converging section in opposite, radial flow thereby forming a second mixture which is admitted into a reaction section of the carbon black reactor.

REFERENCES:
patent: 3877856 (1975-04-01), Cheng
patent: 4085197 (1978-04-01), Cheng
patent: 4088741 (1978-05-01), Takewell

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