Method of purging of waste gases

Details Method of purging of waste gases Method of purging of waste gases

1983-09-23

1988-06-28

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

423242, 423244, 110343, C01B 700, C01B 1700, B01J 800

Patent

active

047537850

ABSTRACT:
A method of purging waste gases by adding to the gas, while it flows through an absorber, a neutralizing agent, such as lime, together with a liquid substance under such conditions that the liquid is evaporated and that a dry salt is left as reaction product. The absorption results in a reaction of the noxious compounds in the waste gases with the neutralizing agent, whereby dry salts are formed, which are removed from the absorber. The same neutralizing agent in the form of the aqueous solution or aqueous suspension may be used as the liquid substance. The liquid substance is supplied into the absorber downstream of the neutralized agent in the solid pulverized state.

REFERENCES:
patent: 3411864 (1968-11-01), Pallinger
patent: 3520649 (1970-07-01), Tomany et al.
patent: 3969482 (1976-07-01), Teller
patent: 3995005 (1976-11-01), Teller
patent: 4309393 (1982-01-01), Nguyen

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