Gas: heating and illuminating – Processes – Fuel mixtures
Patent
1989-11-20
1992-04-21
Woodard, Joye L.
Gas: heating and illuminating
Processes
Fuel mixtures
48203, 48209, 201 20, 201 34, 201 36, 423DIG20, C10J 306, C10J 314
Patent
active
051063905
ABSTRACT:
An improve 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 which in one embodiment includes toxic waste material, 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 residence time of the input material in the intermediate layers and the lower layers is such that activated carbon may be produced and/or the toxic waste input destroyed.
REFERENCES:
patent: 3746521 (1973-07-01), Giddings
patent: 4421524 (1983-12-01), Chittick
patent: 4530702 (1985-07-01), Fetters et al.
patent: 4781944 (1988-11-01), Jones
Beierle Frederick P.
Mazzawi Mounir
American Power and Waste Management Ltd.
Woodard Joye L.
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