Method and apparatus for cooling and neutralizing acid gases

Details Method and apparatus for cooling and neutralizing acid gases Method and apparatus for cooling and neutralizing acid gases

1981-03-30

1983-03-01

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

4232155, 423235, 423239, 423240, 423242, 423244, B01D 5334

Patent

active

043754554

ABSTRACT:
A process and apparatus for neutralizing hot acid gases is disclosed. Prior to neutralizing the gas, it is introduced into a zone, e.g., a cyclone to establish an upwardly, generaly spiral gas stream. This gas motion permits removal from the gas of larger particles which concentrate at the cyclone wall by centrifugal forces. The upwardly-moving gas stream which may or may not have a spiral motion is contacted with an upwardly-moving spray of a basic neutralizing liquid or slurry under conditions such that the spray droplets moderately overcome gravitational forces such that they experience a sufficiently long residence time in the cyclone to be evaporated to dryness. The product gas from the cyclone then can be treated further to remove small particles and salt product.

REFERENCES:
patent: 2155853 (1939-04-01), Anthony, Jr.
patent: 3233881 (1966-02-01), Smith
patent: 3739551 (1973-07-01), Eckert
patent: 3969482 (1976-07-01), Teller
patent: 3989797 (1976-11-01), Brady et al.
patent: 4147755 (1979-04-01), Gogineni et al.
patent: 4201753 (1980-05-01), Dayden
patent: 4208383 (1980-06-01), Kisters et al.
patent: 4293524 (1981-10-01), Teller et al.

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