US Patent Issued on June 16 for "4-stage membrane process with sweep for biogas upgrading" (Missouri Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,126, issued on June 16.

"4-stage membrane process with sweep for biogas upgrading" was invented by Matthew P. O'Brien (House Springs, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are membrane-based gas separation methods and systems. The methods and systems may, in particular, be used for separating a feed stream comprising methane and carbon dioxide (such as for example a biogas feed stream) in order to provide a methane product stream (such as for example a biomethane stream)."

The patent was filed on Jan. 16, 2024, under Application No. 18/413,323.

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