Process for the selective removal of sulfur dioxide from effluen

Details Process for the selective removal of sulfur dioxide from effluen Process for the selective removal of sulfur dioxide from effluen

1979-03-01

1980-05-06

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423243, B01D 5334

Patent

active

042017521

ABSTRACT:
Method for scrubbing SO.sub.2 from effluent gases using aqueous monoethanolamine and the corresponding sulfite as the solvent. The method is especially useful where the effluent gases contain an abundance of CO.sub.2 relative to SO.sub.2.

REFERENCES:
patent: 3719742 (1973-03-01), Terrana et al.
patent: 3790660 (1974-02-01), Earl et al.
patent: 3873673 (1975-03-01), Teague et al.
patent: 3904735 (1975-09-01), Atwood et al.
patent: 4071602 (1978-01-01), Pearce
patent: 4113849 (1978-09-01), Atwood
patent: 4122149 (1978-10-01), Dunnery et al.

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