ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,424, issued on March 18, was assigned to Orege (Voisins-le-Bretonneux, France).
"Method and device for anaerobic digestion" was invented by Patrice Capeau (Saragossa, Spain) and Pascal Gendrot (Mere, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method and a device for anaerobic digestion from an organic liquid sludge (21), comprising, in a known manner, a step of hydrolysis/acidogenesis of the sludge in a digester (47, 100), a step of acetogenesis for producing acetate from the hydrolysed sludge and a step of methanogenesis from the acetates for producing methane. The method comprises an initial step of creating ...