Process for the gasification of fuels
Patent
·
OSTI ID:5501176
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 Product gas comprising carbon monoxide, hydrogen, and carbon dioxide, together with methane and other diluents, is withdrawn from the gasification chamber.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.
- Assignee:
- DM International Inc.
- Patent Number(s):
- US 4498909
- OSTI ID:
- 5501176
- Country of Publication:
- United States
- Language:
- English
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