US Patent Issued to Air Products and Chemicals on Nov. 3 for "Process and apparatus for xenon and or krypton recovery" (British Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,780,659, issued on Nov. 3, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).

"Process and apparatus for xenon and or krypton recovery" was invented by Ian Zone (Surrey, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Recovering xenon and/or krypton from a feed gas can include utilization of a purge stream from a separation column positioned and configured to output at least one stream of fluid that is substantially nitrogen and at least one stream of fluid that is substantially oxygen. The purge stream can be split so that a first portion of the purge stream is fed as a liquid adjacent to a top of a purge treatment column and...