Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
1974-12-13
1977-05-24
Sebastian, Leland A.
Chemistry of inorganic compounds
Carbon or compound thereof
Elemental carbon
13 7, C01B 3102, H05B 100
Patent
active
040256103
ABSTRACT:
A grain coke is packed in a vertical furnace between a pair of opposite electrodes for passing current through the coke, thus heating the same to a temperature of above 1400.degree. C, preferably 1500.degree. C for more than 10 minutes. Coke is loaded into the furnace from an upper portion and heat treated coke is cooled and then discharged from the bottom. Inert or reducing gas may be introduced into the lower portion of the furnace and discharged from the upper portion thereby cooling heat treated coke and preheating loaded coke.
REFERENCES:
patent: 598549 (1898-02-01), Wing
patent: 1671673 (1928-05-01), Doerschuk et al.
patent: 2681943 (1954-06-01), Hartwick
patent: 3578069 (1971-05-01), Morel et al.
patent: 3684446 (1972-08-01), Markel
Ando Ryo
Nagaoka Seishiro
Suzuki Gyoichi
Yamaoka Yogiro
Yoshikoshi Hideyuki
Nippon Kokan Kabushiki Kaisha
Sebastian Leland A.
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