Distillation: processes – thermolytic – Including burning of vaporized product
Patent
1973-05-25
1976-08-31
Sofer, Jack
Distillation: processes, thermolytic
Including burning of vaporized product
201 28, 201 29, 201 31, 201 37, 202121, 48111, 432 15, 432 58, C10B 4700, C10B 2118, C10B 104, C10J 300
Patent
active
039779475
ABSTRACT:
A continuous process is described whereby particulate woody materials are carbonized in a fluidized bed to form solid and gaseous fuel. The process includes injecting particulate woody materials, on a continuous basis, into a fluidized bed of previously carbonized material. Off-gas from carbonization with entrained charcoal fines is continuously removed from above the bed, and coarse charcoal is continuously removed from the surface of the bed. If desired, a high ash, coarse fraction may also be continuously removed from immediately above the bed grid. The off-gas and entrained fine charcoal are separated in a cyclone system, and the charcoal fines with the coarse charcoal fraction from the bed surface are collected for use as solid fuel. Off-gas from the separator may be scrubbed, if desired, or utilized directly as an enriched gaseous fuel. Alternate embodiments of the apparatus of this invention include an oval-shaped bed, or a toroidal bed with a plurality of feeders disposed at preselected positions extending into the bed to maximize the efficiency of the bed.
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Sofer Jack
The Kingsford Company
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