Gas/liquid contact processes

Details Gas/liquid contact processes Gas/liquid contact processes

1984-05-30

1985-07-23

Lacey, David L.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

55 8, 55 90, 55126, 55230, 55259, 422169, 159 4S, C01B 1700, B01D 4706, B01D 5000

Patent

active

045308225

ABSTRACT:
In a process involving contacting a gas with a liquid whereby to cool and/or clean the gas, the liquid is sprayed into the gas by a rotary-cup atomizer or other "air-assisted" atomizer in which the spray is produced by impacting a film of the liquid with a high pressure air stream. The atomizer has a low spray angle which is beneficial to ensuring good contact with the gas. The method is particularly applicable to processes where the liquid is an abrasive slurry or solution, as in a process of desulphurizing a hot flue gas by spray drying in a tower.

REFERENCES:
patent: 4198380 (1980-04-01), Kohl
"Dry FGD and Particulate Control System", K. A. Moore et al., 1979.
"C-E Dry Scrubber Systems: Application to Western Coals", J. R. Martin et al., 1980.
"Dry SO.sub.2 Scrubbing at Antelope Valley Station", R. A. Davis et al., 1979.
"Basin Electric's Involvement with Dry Flue Gas Desulphurisation", K. E. Janssen et al., 1979.
Spray Drying Handbook, Third Edition, by K. Masters, published 1979, pp. 169-177.

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