Process for the selective removal of sulfur dioxide from effluen

Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component

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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.

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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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