Regeneration of lime from sulfates for fluidized-bed combustion. [Patent application; US DOE]
Patent
·
OSTI ID:6330144
In a fluidized-bed combustor the evolving sulfur oxides are reacted with CaO to form calcium sulfate which is then decomposed in the presence of carbonaceous material, such as the fly ash recovered from the combustion, at temperatures of about 900/sup 0/ to 1000/sup 0/C, to regenerate lime. The regenerated lime is then recycled to the fluidized bed combustor to further react with the evolving sulfur oxides. The lime regenerated in this manner is quite effective in removing the sulfur oxides.
- Assignee:
- Dept. of Energy
- OSTI ID:
- 6330144
- Country of Publication:
- United States
- Language:
- English
Similar Records
Regeneration of lime from sulfates for fluidized-bed combustion
Regeneration of lime from sulfates for fluidized-bed combustion
Regeneration of lime from sulfates for fluidized-bed combustion
Patent
·
Tue Apr 08 00:00:00 EST 1980
·
OSTI ID:6330144
Regeneration of lime from sulfates for fluidized-bed combustion
Patent
·
Tue Jan 01 00:00:00 EST 1980
·
OSTI ID:6330144
Regeneration of lime from sulfates for fluidized-bed combustion
Patent
·
Tue Apr 08 00:00:00 EST 1980
·
OSTI ID:6330144
Related Subjects
01 COAL, LIGNITE, AND PEAT
CALCIUM OXIDES
REGENERATION
CALCIUM SULFATES
CHEMICAL REACTIONS
CARBONACEOUS MATERIALS
ADSORBENTS
CALCIUM HYDROXIDES
COAL
FLUIDIZED-BED COMBUSTION
FLY ASH
SULFUR DIOXIDE
TEMPERATURE DEPENDENCE
WASTE PRODUCT UTILIZATION
AEROSOL WASTES
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
COMBUSTION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
HYDROXIDES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
SULFATES
SULFUR COMPOUNDS
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
WASTES
010800* - Coal
Lignite
& Peat- Waste Management
CALCIUM OXIDES
REGENERATION
CALCIUM SULFATES
CHEMICAL REACTIONS
CARBONACEOUS MATERIALS
ADSORBENTS
CALCIUM HYDROXIDES
COAL
FLUIDIZED-BED COMBUSTION
FLY ASH
SULFUR DIOXIDE
TEMPERATURE DEPENDENCE
WASTE PRODUCT UTILIZATION
AEROSOL WASTES
ALKALINE EARTH METAL COMPOUNDS
CALCIUM COMPOUNDS
CHALCOGENIDES
COMBUSTION
ENERGY SOURCES
FOSSIL FUELS
FUELS
HYDROGEN COMPOUNDS
HYDROXIDES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
SULFATES
SULFUR COMPOUNDS
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
WASTES
010800* - Coal
Lignite
& Peat- Waste Management