Membrane gas separation processes

Details Membrane gas separation processes Membrane gas separation processes

B - Operations, Transporting

01

D

183/2

B01D 53/22 (2006.01) C07C 7/144 (2006.01)

Patent

CA 1220729

36-21-6323A MEMBRANE GAS SEPARATION PROCESSES ABSTRACT OF THE DISCLOSURE This invention relates to membrane gas separation of carbon dioxide and methane containing gas mixtures. More particularly the invention relates to apparatus and processes for recovering a methane-enriched non-permeate gas of natural gas pipe line quality from mixtures of carbon dioxide and methane where membrane permeate gases contain substantially all of the carbon dioxide of the feed gas mixture. An aspect of the process of this invention is that a significant portion of the carbon dioxide containing permeate gas can be utilized as combustion engine fuel to drive feed gas compressors utilized in the process.

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