Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1985-01-24
1988-04-12
Cline, William R.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
423449, 423DIG5, 422109, 422150, 422156, 422158, 165 36, 165103, 165901, 165921, C01B 3102, C09C 148
Patent
active
047375310
ABSTRACT:
In a heat exchange unit that recovers waste heat from carbon black smoke by preheating oxygen-containing gas such as air being passed to a carbon black producing reactor, a control loop is provided that automatically diverts the oxygen-containing gas being preheated through a by-pass line if the temperature of the effluent smoke being removed from the heat exchange is below a minimum temperature value in order to minimize the deposition of carbon on the heat exchange surfaces in said heat exchange zone.
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Cline William R.
Ford John K.
Phillips Petroleum Co.
Umphlett A. W.
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