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

1980-06-18

1981-10-06

Thomas, Earl C.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422176, 422224, 423210, 4232155, 423239, 423242, 55235, 55236, 55260, 55459R, 261 79A, 261DIG54, 159 4R, 159 4B, 159 48R, B01J 1000, B01D 5334

Patent

active

042935245

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, generally spiral gas stream. This gas motion permits removal from the gas of larger particles which concentrate at the cyclone wall by centifugal 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: 2494465 (1950-01-01), Watson
patent: 2632523 (1953-03-01), Stephens et al.
patent: 3048956 (1962-08-01), Lundy et al.
patent: 3064408 (1962-11-01), Erga et al.
patent: 3113168 (1963-12-01), Kinney
patent: 3488039 (1970-01-01), Ekman
patent: 3544087 (1970-12-01), McIlvaine et al.

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