Selective absorbtion of so.sub.2 from gases containing the same

Details Selective absorbtion of so.sub.2 from gases containing the same Selective absorbtion of so.sub.2 from gases containing the same

B - Operations, Transporting

01

D

23/350

B01D 47/00 (2006.01) B01D 53/14 (2006.01)

Patent

CA 1235885

ABSTRACT OF THE DISCLOSURE There is disclosed a process for selectively removing and recovering sulfur dioxide from a gas stream containing the same by contacting the gas with an absorbent (an aqueous solution of a piperazinone or a morpholinone) and thermally regenerating the absorbent (i.e. releasing the sulfur dioxide from the absorbent) for reuse in the contacting step.

486130

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