Process and apparatus for the thermal treatment of coal

Details Process and apparatus for the thermal treatment of coal Process and apparatus for the thermal treatment of coal

1979-03-22

1981-07-21

Grimley, Arthur T.

Electric heating

Metal heating

Of cylinders

34 1, 219 1055F, H05B 678

Patent

active

042800331

ABSTRACT:
Coal, particularly ground coal, is thermally treated at a treatment zone by exposing the coal to microwave radiation, preferably at a frequency of from 20 to 3,000 MHz. The treatment zone may be a system for forming the coal into pellets or briquettes. The treatment zone may also be an area between a coal supply bin and a furnace or oven for utilization of the coal, whereby the coal is dried and/or preheated before use in the furnace or oven.

REFERENCES:
patent: 3449213 (1969-06-01), Knapp et al.
patent: 3560347 (1971-02-01), Knapp et al.
patent: 3622733 (1971-11-01), Smith et al.
patent: 3872603 (1975-03-01), Williams et al.
patent: 3992287 (1976-11-01), Rhys
patent: 4045639 (1977-08-01), Meisel
Aronov, S. G. High-Frequency Heating of Coal, The Engineers Digest, vol. 17, No. 4, Apr. 1956, pp. 133-135.

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