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U.S. Department of Energy
Office of Scientific and Technical Information

Staged fluidized bed

Patent ·
OSTI ID:6089820

Method and apparatus for narrowing the distribution of residence times of any size particle and equalizing the residence times of large and small particles in fluidized beds. Particles are moved up one fluidized column and down a second fluidized column with the relative heights selected to equalize residence times of large and small particles. Additional pairs of columns are staged to narrow the distribution of residence times and provide complete processing of the material.

Assignee:
Dept. of Energy
Patent Number(s):
US 4481080
OSTI ID:
6089820
Country of Publication:
United States
Language:
English