Process adapted to produce synthesis gas and activated carbon fr

Details Process adapted to produce synthesis gas and activated carbon fr Process adapted to produce synthesis gas and activated carbon fr

1988-05-06

1989-11-28

Woodard, Joye L.

Gas: heating and illuminating

Processes

Producer

48209, 48DIG10, 201 25, 201 34, 201 36, 252373, 502419, 502433, C10B 4906, C10J 314, C01B 3110

Patent

active

048834998

ABSTRACT:
An improved gasification system, in which synthesis gas is produced through the operation of a fuel gas production bed comprising an upper layer (66) of organic input material, typically in the form of pellets or briquettes of substantially uniform size and configuration, two intermediate layers, one intermediate layer (70) for carbonizing the input material, and the other intermediate layer (72) for partially oxidizing and substantially completely pyrolyzing the input material and a lower layer (68) of tar-free charcoal. The length of the gas production bed from the top of the upper intermediate layer to the point where gas exits from the gas production bed is approximately at least 1.5 times the diameter of the bed, but not less than 7 feet. The removal of charcoal from the gas production bed is controlled and the operation of the bed otherwise controlled such that the charcoal produced during the process is activated carbon. A multi-stage gas cooling system is provided to bring the gas quickly and efficiently to a relatively low temperature for end use.

REFERENCES:
patent: 1753984 (1930-04-01), Enssle
patent: 1865667 (1932-07-01), Bailleul
patent: 3525674 (1970-08-01), Barneby
patent: 4106999 (1978-08-01), Koppelman et al.
patent: 4230602 (1980-10-01), Bowen et al.
patent: 4530702 (1985-07-01), Fetters et al.

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