Method of removing gaseous pollutants from flue gas

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture

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Details

423235, 423240, 423242, 159 4A, 159 4S, 159 48R, 261 89, B01D 5334

Patent

active

042462428

ABSTRACT:
A spray dryer apparatus is used to bring a water solution or slurry of finely-divided, basic reactant into intimate contact with a flue gas bearing acidic gases or vapors. The basic material reacts with the acids in the flue gas to form a particulate precipitate, while the water from the solution or slurry is fully evaporated in the gas stream. Conventional means are then utilized to remove the particulate reaction product from the flowing gas stream.

REFERENCES:
patent: 1221505 (1917-04-01), Bradley et al.
patent: 1830174 (1931-11-01), Peebles
patent: 2231309 (1941-02-01), Weber
patent: 3635665 (1972-01-01), Mattern
patent: 3785111 (1974-01-01), McIlvaine
patent: 3895994 (1975-07-01), Saguchi et al.
patent: 3969482 (1976-07-01), Teller
patent: 3995005 (1976-11-01), Teller

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