Method and apparatus for the purification of gases which contain

Details Method and apparatus for the purification of gases which contain Method and apparatus for the purification of gases which contain

1982-06-15

1984-09-04

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55 92, 55 94, 55235, 55242, 261116, 261117, 261DIG54, 423242, B01D 4700

Patent

active

044694938

ABSTRACT:
The invention relates to a method and apparatus for the purification of gases, and especially to the purification of industrial flue gases, of solid and/or gaseous impurities. In the method, the gases are scrubbed during a scrubbing stage by spraying into them scrubbing liquid and water, and the drops of liquid are removed from the gases during a drop separation stage. Prior to the scrubbing stage the hot gases are moistened in a pre-moistening stage by spraying into them scrubbing liquid in such a manner that the scrubbing liquid partly vaporizes. The scrubbing liquid is preferably sprayed countercurrently in relation to the gases. The apparatus for the purification of gases consists of a scrubbing unit (3, 4), a drop separation unit (5), devices for circulating the scrubbing liquid countercurrently in relation to the gases, devices for the cooling, regeneration and recycling of the scrubbing liquid, and a pre-moistening unit (2) for the moistening of the gases.

REFERENCES:
patent: 2575359 (1951-11-01), Ortgies
patent: 2696275 (1954-12-01), Pring
patent: 3456928 (1969-07-01), Selway
patent: 3773472 (1973-11-01), Hausberg et al.
patent: 3877488 (1975-04-01), Baturay et al.
patent: 4328011 (1982-05-01), Geides et al.
patent: 4374813 (1983-02-01), Chen et al.

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