Method for removing sulfur dioxide from flue gases

Details Method for removing sulfur dioxide from flue gases Method for removing sulfur dioxide from flue gases

1985-12-20

1987-05-19

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423244, 423640, C01B 1700, B01J 800

Patent

active

046666907

ABSTRACT:
A method for removing sulfur compounds from flue gases in which a slurry of calcium oxide and water is formed and exothermically reacted to form a hydrate containing calcium hydroxide in substantially saturated solution. The calcium hydroxide is converted to relatively fine particles as the saturated liquid is flashed to steam. The fine particles are passed in a counter-flow relationship with the flue gases so that the sulfur compounds from the flue gases react with the calcium hydroxide in the particles to form calcium sulfate.

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patent: 4324770 (1982-04-01), Bakke
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