Staged fluidized bed
Patent
·
OSTI ID:6929142
The invention relates to oil shale retorting and more particularly to staged fluidized bed oil shale retorting. Method and apparatus are disclosed 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.
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- Dept. of Energy
- Application Number:
- ON: DE84010985
- OSTI ID:
- 6929142
- Resource Relation:
- Other Information: Portions are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
04 OIL SHALES AND TAR SANDS
CHEMICAL REACTORS
DESIGN
OIL SHALES
RETORTING
FLUIDIZED BED
KINETICS
PARTICLE SIZE
TIME DEPENDENCE
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
SIZE
040402* - Oil Shales & Tar Sands- Surface Methods
CHEMICAL REACTORS
DESIGN
OIL SHALES
RETORTING
FLUIDIZED BED
KINETICS
PARTICLE SIZE
TIME DEPENDENCE
BITUMINOUS MATERIALS
CARBONACEOUS MATERIALS
CHEMICAL REACTIONS
DECOMPOSITION
ENERGY SOURCES
FOSSIL FUELS
FUELS
MATERIALS
SIZE
040402* - Oil Shales & Tar Sands- Surface Methods