Method and apparatus for decomposing ammonia fumes having a high

Details Method and apparatus for decomposing ammonia fumes having a high Method and apparatus for decomposing ammonia fumes having a high

1978-06-16

1980-01-01

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423210, 423224, 423351, B01D 5334

Patent

active

041817060

ABSTRACT:
A method of decomposing ammonia fumes which have a high hydrogen sulfide content, in particular, deacidizer fumes from an NH.sub.3 --H.sub.2 S closed-circuit scrubber of coke oven gases, in which the washed-out NH.sub.2 is enriched. The inventive method comprises burning a heating fuel with an amount of oxygen to generate combustion gases having a low oxygen content, heating the deacidizer fumes by direct contact with the combustion gases in order to form a hot mixture of the gases and deacidizer fumes and subsequently directing the hot mixture through a decomposition zone. In addition the ammonia fumes are directed in an annular jacket around the housing to an annular discharge at the periphery of the coke oven gas flame.

REFERENCES:
patent: 3505027 (1970-04-01), Breitbach et al.
patent: 3540189 (1970-11-01), Siewers et al.
patent: 3661507 (1972-05-01), Breitbach et al.
patent: 3822337 (1974-07-01), Wunderlich et al.
patent: 3915655 (1975-10-01), Grulich et al.
patent: 3970743 (1976-07-01), Beavon
patent: 3987154 (1976-10-01), Legas
patent: 4050990 (1977-09-01), Lorenz

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