Exhaust gas scrubbing process

Details Exhaust gas scrubbing process Exhaust gas scrubbing process

1976-04-23

1977-12-06

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423242, 423395, C01B 2100, C01B 1700

Patent

active

040617432

ABSTRACT:
Nitrogen oxides, or both sulfur oxides and nitrogen oxides are efficiently and economically removed from exhaust gas containing the same with an aqueous scrubbing suspension of alkaline earth metal compounds. The aqueous scrubbing suspension of alkaline earth metal compounds further contains (a) thiourea or thiosulfates or mixtures thereof and (b) copper ion or iron ion or a mixture thereof.

REFERENCES:
patent: 3565575 (1971-02-01), Warshaw
patent: 3801696 (1974-04-01), Mark
patent: 3836630 (1974-09-01), Noguchi et al.
patent: 3892837 (1975-07-01), Uchiyama et al.
patent: 3932585 (1976-01-01), Moriguchi et al.
patent: 3957949 (1976-05-01), Senjo et al.
patent: 4035470 (1977-07-01), Senjo et al.

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