US Patent Issued to CASALE on May 27 for "Pressure swing adsorption process for producing hydrogen and carbon dioxide" (Swiss, Dutch Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,242, issued on May 27, was assigned to CASALE SA (Lugano, Switzerland).

"Pressure swing adsorption process for producing hydrogen and carbon dioxide" was invented by Anne Streb (Zurich), Max Hefti (Zurich), Matteo Gazzani (Utrecht, Netherlands) and Marco Mazzotti (Zurich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pressure swing adsorption process (PSA) comprising the following steps: feeding an input gas containing H2, CO2 and impurities through a CO2 adsorbent material in a pressure vessel under a high pressure; withdrawing a first H2-rich product gas due to adsorption of CO2 in the adsorbent material; setting the pressure to an intermediate ...