The present disclosure provides processes for the recovery of olefins from
a mixture. Such processes include: (1) passing the mixture to a first
surface of a porous membrane, wherein the porous membrane is in a first
contactor; (2) passing a complexing composition to a second surface of
the porous membrane in the first contactor, wherein the complexing
composition includes a metal ion that is capable of reversibly binding
the olefins; (3) extracting at least a portion of the olefins from the
mixture; wherein extracting includes binding the olefins to the metal ion
of the complexing composition; and wherein extracting produces a mixture
depleted in olefins and a complexing composition enriched in olefins; and
(4) inducing a release of the olefins from the complexing composition
enriched in olefins. In some embodiments, the processes of the present
disclosure can further include passing the complexing composition
enriched in olefins to a second contactor; wherein the induction step
occurs in the second contactor. In other embodiments, the processes of
the present disclosure can further include passing the released olefins
from the induction step to a third contactor. In additional embodiments,
the processes of the present disclosure can also include recycling the
complexing composition after the olefins are released in the induction
step.