The present invention is a method for removing SO2 from a gas stream containing it, and which may also contain other gases commonly associated with hydrocarbon streams or combustion gases, by employing as an absorbent therefor {HEAD ~ an aqueous solution} of {TAIL ~ an N hydroxyalkyl 2 piperazinone} or an alkyl or aryl substituted derivative thereof 
of
The present invention is a method for removing SO2 from a gas stream containing it , and which may also contain other gases commonly associated with hydrocarbon streams or combustion gases , by employing as an absorbent therefor { HEAD ~ an aqueous solution } of { TAIL ~ an N hydroxyalkyl 2 piperazinone } or an alkyl or aryl substituted derivative thereof
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