Process for separating, especially in multiple stages, acid comp

Details Process for separating, especially in multiple stages, acid comp Process for separating, especially in multiple stages, acid comp

1982-07-21

1984-10-16

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423236, 423238, B01D 5334

Patent

active

044774206

ABSTRACT:
A process of separating in multiple stages acid components in coke oven gas such as CO.sub.2, HCN and particularly H.sub.2 S by ammonia scrubbing wherein the ammonia used in scrubbing is deacidified to remove the acid components and is recirculated to the scrubbing process at least in part as substantially pure liquid ammonia.

REFERENCES:
patent: 3556721 (1971-01-01), Radusch
patent: 4009243 (1977-02-01), Weber et al.

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