ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,939, issued on June 17, was assigned to TOPSOE A/S (Kgs. Lyngby, Denmark).
"Plant and process for producing hydrogen with improved operation of a low temperature CO 2 removal unit" was invented by Steffen Spangsberg Christensen (Kgs. Lyngby, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plant and process for producing a hydrogen rich gas are provided, said process including the steps of: steam reforming a hydrocarbon feed into a synthesis gas; shifting the synthesis gas and conducting the shifted gas to a hydrogen purification unit, subjecting CO2-rich off-gas from the hydrogen purification unit to a carbon dioxide removal in a low temper...