US Patent Issued to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES on Nov. 18 for "Method for the gasification of a black liquor" (French Inventor)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,689, issued on Nov. 18, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).

"Method for the gasification of a black liquor" was invented by Geert Haarlemmer (Grenoble, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for transforming a black liquor, comprising the following steps: a) supplying a black liquor, b) gasifying the black liquor by means of supercritical water gasification in the presence of a hydrogenated carbon-free fuel, by means of which reaction products are formed, c) cooling the reaction products, by means of which a gaseous mixture is obtained which comprises at least methane and a ...