US Patent Issued to HALDOR TOPSOE on Feb. 10 for "Method for production of elemental sulfur and sulfuric acid" (Danish Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,580, issued on Feb. 10, was assigned to HALDOR TOPSOE A/S (Kgs. Lyngby, Denmark).

"Method for production of elemental sulfur and sulfuric acid" was invented by Morten Thellefsen (Hillerod, Denmark) and Mads Lykke (Bronshoj, Denmark).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for production of elemental sulfur from a feedstock gas including from 15% to 100 vol % H2S and a stream of sulfuric acid, the process including: a) providing a Claus reaction furnace feed stream substoichiometric oxygen with respect to the Claus reaction, b) directing to a reaction furnace zone operating at elevated temperature such as above 900deg C., c) directing...