ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,302, issued on April 1, was assigned to Ecolab USA Inc. (St. Paul, Minn.).
"Process to improve protein recovery in stillage processing streams" was invented by Lan Xiao (Naperville, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method of processing stillage from an ethanol production process. The method comprises treating stillage comprising oil, protein, and water upstream of a separation, concentration or evaporation step with at least one organic coagulant and at least one flocculant, thereby forming treated thin stillage comprising solids which include at least a portion of the oil and protein; and clarifying the treated stil...