US Patent Issued to ConocoPhillips on Oct. 28 for "Systems and methods for removing nitrogen during liquefaction of natural gas" (Texas Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,455,114, issued on Oct. 28, was assigned to ConocoPhillips Co. (Houston).

"Systems and methods for removing nitrogen during liquefaction of natural gas" was invented by Will T. James (Houston), Matthew C. Gentry (Houston) and Wesley R. Qualls (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "Implementations described and claimed herein provide systems and methods for removing nitrogen during liquefaction of natural gas. In one implementation, a nitrogen rejection unit is used in an LNG facility to remove nitrogen from natural gas during an LNG liquefaction process. The nitrogen rejection unit contains at least two columns and at least one 3-stream...