Method of producing pelletized fixed sulfur fuel

Details Method of producing pelletized fixed sulfur fuel Method of producing pelletized fixed sulfur fuel

1977-01-27

1978-09-05

Wolk, Morris O.

Distillation: processes, thermolytic

And shaping to desired form or configuration

Prior to charging to carbonizing zone

44 1F, 110342, 110345, 201 8, 201 17, 201 20, C10B 5308, C10B 5706, C10B 5710

Patent

active

041117557

ABSTRACT:
A fixed sulfur fuel is produced by proportioning sulfur-bearing coal and limestone in amounts which will cause the calcium in the limestone to react with a large amount of sulfur in the coal. The proportioned mixture is ground and blended and then balled or compacted to form pellets. By means of either a carbonizing or pyrolyzing technique conducted in a traveling grate machine, where the pellets are heated to at least 800.degree. F., the coal is pyrolyzed or carbonized, the limestone is calcined, and the sulfur is fixed in a calcium compound which remains stable in the ash after the pellets are burned as a fuel.

REFERENCES:
patent: 191530 (1877-06-01), Hornbostel
patent: 2025882 (1935-12-01), Michot-Duport
patent: 2955991 (1960-10-01), Tufty
patent: 3481834 (1969-12-01), Squires
patent: 3540387 (1968-10-01), McLaren et al.
patent: 3823676 (1974-07-01), Cook et al.
patent: 3907648 (1975-09-01), Nire et al.

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