Process for removing SO from a gaseous mixture (OP-3409)

Details Process for removing SO from a gaseous mixture (OP-3409) Process for removing SO from a gaseous mixture (OP-3409)

1989-01-13

1990-09-11

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423242, C01B 2100, C01B 1700

Patent

active

049561618

ABSTRACT:
A gas desulfurization process is provided in which a gaseous mixture comprising sulfur oxides is contacted in an absorption zone, at absorption conditions, with an aqueous composition comprising ammonium carbonate, or ammonium bicarbonate or mixtures thereof, in an amount such that the product of the partial pressures of the sulfur oxides and ammonia over said aqueous composition is below a specified limit, to produce a gaseous product having a decreased content of sulfur oxides and a decreased appearance of blue haze. A combination nitrogen oxides removal (deNO.sub.x) and desulfurization (deSO.sub.x) process is also provided.

REFERENCES:
patent: 3843789 (1974-10-01), Spector et al.
patent: 3900554 (1975-08-01), Lyon
patent: 4325713 (1982-04-01), Rosenberg et al.

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