Process for preparing sulfur-containing coal or lignite for combustion
Patent
·
OSTI ID:6278511
An improved process for preparing a coal or lignite fuel that contains sulfur for combustion wherein reduced amounts of sulfur-containing air contaminants are emitted from the combustion. In a process whereby coal or lignite that contains sulfur is pulverized and subsequently mixed with a finely divided inorganic material, the improvement comprises precipitating the inorganic material onto the pulverized coal to achieve greater absorbency of SO/sub 2/ emissions upon combustion of the coal. The inorganic material can be at least one of the oxide, hydroxide or carbonate of sodium, potassium, calcium or barium; or it can be dolomite. (Official Gazette)
- Assignee:
- Atlantic Richfield Co.
- Patent Number(s):
- US 4148613
- OSTI ID:
- 6278511
- Resource Relation:
- Patent File Date: Filed date 27 Dec 1977
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
AIR POLLUTION ABATEMENT
COAL PREPARATION
FLUE GAS
DESULFURIZATION
SULFUR DIOXIDE
ADSORPTION
COAL
COMBUSTION
LIGNITE
BROWN COAL
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
COMMINUTION
ENERGY SOURCES
FOSSIL FUELS
FUELS
GASEOUS WASTES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION ABATEMENT
SORPTION
SULFUR COMPOUNDS
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
WASTES
010800* - Coal
Lignite
& Peat- Waste Management
AIR POLLUTION ABATEMENT
COAL PREPARATION
FLUE GAS
DESULFURIZATION
SULFUR DIOXIDE
ADSORPTION
COAL
COMBUSTION
LIGNITE
BROWN COAL
CARBONACEOUS MATERIALS
CHALCOGENIDES
CHEMICAL REACTIONS
COMMINUTION
ENERGY SOURCES
FOSSIL FUELS
FUELS
GASEOUS WASTES
OXIDATION
OXIDES
OXYGEN COMPOUNDS
POLLUTION ABATEMENT
SORPTION
SULFUR COMPOUNDS
SULFUR OXIDES
THERMOCHEMICAL PROCESSES
WASTES
010800* - Coal
Lignite
& Peat- Waste Management