Process of making formcoke from non-caking or weakly caking coal

Details Process of making formcoke from non-caking or weakly caking coal Process of making formcoke from non-caking or weakly caking coal

1975-07-10

1977-06-21

Wolk, Morris O.

Distillation: processes, thermolytic

And shaping to desired form or configuration

Prior to charging to carbonizing zone

201 22, 201 23, 208 45, C10B 5308, C10B 5500

Patent

active

040309827

ABSTRACT:
Formcoke suitable for use in a blast furnace is made from a non-caking or weakly caking coal by converting the coal to an agglomeratable material consisting essentially of a blend of the entire product (without separation of extract and undissolved solids) obtained by solvent extraction of the coal in the presence of hydrogen and a suitable amount of hydrocarbonaceous solids. The agglomeratable material is agglomerated under low temperature carbonizing conditions and the agglomerates are thereafter calcined to produce strong formcoke.

REFERENCES:
patent: 2556154 (1951-06-01), Kern
patent: 3162594 (1964-12-01), Gorin
patent: 3401089 (1968-09-01), Friedrich et al.
patent: 3562783 (1971-02-01), Gorin
patent: 3748254 (1973-07-01), Gorin
patent: 3791956 (1974-02-01), Gorin et al.

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