Sulfur getter efficiency
AssigneeThe Standard Oil Company
InventorStephen C. Paspek
Life of this patent
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Abstract
The efficiency with which a sulfur getter such as limestone captures sulfur produced during combustion of a coal getter mixture is enhanced by intimately mixing the coal and the getter together in the form of an aqueous slurry also containing a gelling agent.
Claims11
In a process for reducing the emission of sulfur dioxide during the combustion of sulfur-containing coal wherein a calcium compound is mixed with the coal to capture sulfur liberated during combustion, the improvement wherein said coal and said calcium-containing compound prior to combustion are mixed together in an aqueous slurry also containing a gelling agent.
A fuel composition comprising powdered coal containing sulfur, a calcium-containing compound capable of capturing said sulfur when said composition is burned, a gelling agent and water, said composition containing sufficient gelling agent and water so that said composition is a gel.
Dependencies are inferred from the claim text.