B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/1
B01D 53/22 (2006.01) B01D 61/24 (2006.01)
Patent
CA 2038239
ABSTRACT OF THE DISCLOSURE The subject invention relates to a process for the selective separation of at least one component of a gaseous feedstream comprising passing the feedstream containing the component through a separation unit, the separation unit containing a porous membrane having a feed side and a permeate side, and a pore size of from about 10Angstroms to about 200Angstroms, and having disposed in the pores of the porous membrane a facilitator liquid comprising a carrier dissolved in a suitable solvent, including: a) dissolving the component in the facilitator liquid on the feed side of the porous membrane at the feed gas/membrane interface; b) forming a component-carrier complex; c) diffusing the complex to the permeate side of the porous membrane; and d) releasing the component from the carrier. The invention further relates to a membrane for the selective separation of at least one component of a gaseous feedstream comprising a porous membrane, having pores of from about 10Angstroms to about 200Angstroms, the pores containing a facilitator liquid having an affinity for the component to be selectively separated, the membrane being capable of operating at a transmembrane pressure of about 100psig to about 300psig. The subject invention also relates to use of the above- identified process and membrane for the separation of vapor phase olefins from olefin-containing feed streams.
Davis James Critser
Eshraghi Reza
Valus Ronald James
Velikoff Alexander Evan
Gowling Lafleur Henderson Llp
Standard Oil Company (the)
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