Gas: heating and illuminating – Processes – Wood
Patent
1982-11-02
1985-02-12
Bashore, S. Leon
Gas: heating and illuminating
Processes
Wood
48 66, 48 68, 48111, 48206, 110229, 110248, 252373, C10J 302, C10J 316, C10J 342
Patent
active
044989091
ABSTRACT:
A process for continuously gasifying wood, wood chips, wood charcoal, or other low-ash biomass material in a mechanically-ashed gasifier using a fixed bed gasification system to obtain a gaseous product relatively rich in carbon monoxide and hydrogen. Product gas comprising carbon monoxide, hydrogen, and carbon dioxide, together with methane and other diluents, is withdrawn from the gasification chamber. Sufficient noncombustible, particulate, refractory material is fed to the gasifier to provide an adequately deep layer of noncombustible solids on a moveable grate which supports the fuel bed, the object being to prevent damage to the grate and the grate-actuating mechanism caused by overheating, when the ash bed becomes too thin. The product gases from the gasification chamber may be used as raw synthesis gas for the production of, for example, methanol or as furnace heating gases.
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T. B. Reed (editor), Biomass Gasification Principles and Technology, Noyes Data Corporation, Park Ridge, N.J., 1981, p. 229.
H. H. Lowry (editor), Chemistry of Coal Utilization, John Wiley & Sons, Inc., New York, 1963, pp. 949-951.
Symposium Papers, Advances in Coal Utilization Technology, Institute of Gas Technology, May 1979, p. 18.
Ashworth Robert A.
Butler Michael F.
Milner Geoffrey
Bashore S. Leon
DM International Inc.
Hastings K. M.
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