Process for drying and stabilizing coal

Details Process for drying and stabilizing coal Process for drying and stabilizing coal

1978-07-17

1980-03-11

Dees, Carl F.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 1G, 34 10, C10L 500

Patent

active

041926501

ABSTRACT:
A process for stabilizing lignitic and subbituminous coal containing from about 25 to about 40% by weight water which comprises treating said dried coal with steam at a temperature of from about 100.degree. C. to about 115.degree. C. so as to enable said coal to be rehydrated to a moisture level of from about 2% to about 10% by weight whereby said coal is stabilized against spontaneous combustion.

REFERENCES:
patent: 2610115 (1952-09-01), Lykken
patent: 3723079 (1973-03-01), Seitzer
patent: 3800427 (1974-04-01), Kemmetmueller
patent: 3896557 (1975-07-01), Seitzer et al.
patent: 3992784 (1976-11-01), Verschuur et al.
patent: 4043763 (1977-08-01), Norman et al.

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