Methods for producing feedstock for a fixed bed gasifier from fi

Details Methods for producing feedstock for a fixed bed gasifier from fi Methods for producing feedstock for a fixed bed gasifier from fi

1979-11-16

1981-07-14

Bashore, S. Leon

Gas: heating and illuminating

Processes

Coal

44 1F, 44 10C, 44 23, 201 31, 201 33, 252373, C10J 300

Patent

active

042784476

ABSTRACT:
A process for producing a feedstock for a fixed bed gasifier from finely-divided coal by treating the coal in a first stirred semi-fluidized carbonizer reaction zone to produce particulate coal derived solids larger than the finely-divided coal charged to the first carbonizer and thereafter charging the particulate coal derived solids so produced to a second stirred semi-fluidized carbonizer reaction zone to produce particulate coal derived solids of a size consist greater than 1/4 inch which is charged to a fixed bed gasifier.

REFERENCES:
patent: 1682195 (1928-08-01), Sheehan
patent: 2288087 (1942-06-01), Hanson et al.
patent: 3368012 (1968-02-01), Erickson
patent: 3401089 (1968-09-01), Friedrich et al.
patent: 3454382 (1962-07-01), Hamilton
patent: 3692505 (1972-09-01), Reichl
patent: 4071329 (1978-01-01), Eales
patent: 4073627 (1978-02-01), Anderson
patent: 4078903 (1978-03-01), Eales
Struck et al., "Small Continuous Unit for Fluidized Coal Carbonization," I & EC Process Design and Development, vol. 6, p. 85, Jan. 1967.

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