Method for production of carbon black and start-up thereof

Details Method for production of carbon black and start-up thereof Method for production of carbon black and start-up thereof

1984-07-23

1985-09-17

Heller, Gregory A.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423449, C01B 3102, C09C 148

Patent

active

045420076

ABSTRACT:
In a method of producing carbon black in which a carbonaceous material is burned in the presence of a combustion supporting gas, burning is terminated, by the addition of a quench fluid, to produce hot combustion gas containing carbon black, heat values are recovered from the hot combustion gas, by passing the same in indirect heat exchange with water, the combustion supporting gas and/or a carbonaceous material (usually a liquid feed material), to produce a combustion gas of reduced temperature and part of the combustion gas of reduced temperature is utilized as the quench fluid startup is improved by using a normally gaseous carbonaceous material as a feed, withdrawing at least part of the hot combustion gas, usually after using the same to produce steam, utilizing the withdrawn hot combustion gas at the quench until the combustion gas of reduced temperature reaches a predetermined temperature, usually about 500.degree. F., and then substituting a liquid carbonaceous material as at least part of the feed and substituting part of the combustion gas of reduced temperature for the withdrawn hot combustion gas.

REFERENCES:
patent: 3369870 (1968-02-01), Ganz et al.
patent: 3645685 (1972-02-01), Crouch
patent: 4309400 (1982-01-01), Murray
patent: 4368162 (1983-01-01), Mills et al.
patent: 4372936 (1983-02-01), Surovikin et al.

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