ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,868, issued on April 14, was assigned to Air Products and Chemicals Inc. (Allentown, Pa.).
"Desulfurization of carbon dioxide-containing gases" was invented by Kamlesh Ghodasara (Borehamwood, Great Britain), Paul Higginbotham (Guildford, Great Britain), Jeffrey R. Hufton (Fogelsville, Pa.), Shubhra Jyoti Bhadra (Macungie, Pa.) and Maulik R. Shelat (Macungie, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Sulfur-containing compounds are removed from crude CO2 by conversion to elemental sulfur in a Claus process and subsequently by hydrogenation of the Claus tail gas to convert residual sulfur-containing compounds into H2S which, after cooling to...