Process for purifying flue gases

Details Process for purifying flue gases Process for purifying flue gases

1977-03-28

1978-10-24

Lutter, Frank W.

Liquid heaters and vaporizers

Plants

Feed water heaters

55 85, 55 89, 55222, 55257HE, 55269, 261151, 261161, 261DIG77, F22B 3318

Patent

active

041215419

ABSTRACT:
A process is provided for removing pollutants from flue gases generated in a steam generating power plant. The flue gases are partially cooled and directly contacted with a portion of the cooling water of a circulating cooling water system used to remove waste heat of the generated steam in a waste heat condenser. The pollutants are thereby washed out of the flue gases into the cooling water and thereafter removed from the cooling water. The heat exchange of the cooling water and the flue gases can take place in a cooling tower, wherein ambient cooling air is drawn in to cool the circulating cooling water. The flue gases can also be further cooled prior to the direct washing thereof by indirect heat exchange in the cooling tower with said upwardly moving cooling air and washed flue gases.

REFERENCES:
patent: 3011966 (1961-12-01), Jahentz et al.
patent: 3320906 (1967-05-01), Domahidy
patent: 3613333 (1971-10-01), Gardenier
patent: 3666246 (1972-05-01), Cohen
patent: 3789804 (1974-02-01), Aguet
patent: 3792572 (1974-02-01), Turbin
patent: 3800505 (1974-04-01), Traues, Jr.
patent: 4036606 (1977-07-01), Lenk et al.

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