Method of producing binderless pellets from low rank coal

Details Method of producing binderless pellets from low rank coal Method of producing binderless pellets from low rank coal

1993-11-04

1995-05-02

Willis, Jr., Prince

Fuel and related compositions

Consolidated solids

'low-rank' coal

44593, 44608, 264 293, C10L 500

Patent

active

054115604

ABSTRACT:
The invention relates to a method and apparatus of forming pellets and in particular spherical binderless pellets from lower rank coals. The method includes the steps of feeding a pelletizing means 10, with a lower rank feedstock, 1; rotating the coal in said pelletizing means, 10, to form pellets in the absence of any binder, wherein the pellets are formed by compaction and layering of coal fines. The moisture content of the lower rank coal is at a level so as to at least substantially fill the voids within the coal.

REFERENCES:
patent: 4410472 (1983-10-01), Grubbs et al.
patent: 4701184 (1987-10-01), Harvey et al.

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