Emission control process for combustion flue gases

Details Emission control process for combustion flue gases Emission control process for combustion flue gases

1984-05-29

1987-05-05

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423240, 423244, B01J 800, C01B 2100, C01B 1700, C01B 700

Patent

active

046631364

ABSTRACT:
A process and apparatus is described for removing acid gas and fly ash directly from hot flue gas without the necessity of pretreating the gas. In addition, valuable heat energy is conserved in this process. The process involves three stages of operation which, when operated in sequence, allows condensation to form on the scrubbing medium without any preconditioning step. The process is particularly useful for removing SO.sub.2 or SO.sub.3 from flue gas.

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Shale, C. C., and Stewart, G. W., "A New Technique for Dry Removal of SO.sub.2," U.S. Dept. of Energy, Morgantown, W.V.

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