Document Type and Number:
Japanese Patent JPS6247479
Kind Code:
B2
Abstract:
A process for improving low quality coal is disclosed, comprising subjecting a crushed low quality coal to a press treatment and a heat treatment. The process of the invention permits the production of improved coal from low quality coal, said improved coal having a high mechanical strength and a high density, and so forth, which realize the ease of handling in storage and transportation without a danger of spontaneous combustion.
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Inventors:
NAKAI MASAYUKI
Application Number:
JP3298382A
Publication Date:
October 08, 1987
Filing Date:
March 04, 1982
Export Citation:
Assignee:
IDEMITSU KOSAN CO
International Classes:
C10L5/00; C10F5/04; C10F7/04; C10L9/00; C10L9/08
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