ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,139, issued on Nov. 4, was assigned to Battelle Memorial Institute (Richland, Wash.).
"Solvent extraction system and process for hydrothermal liquefaction" was invented by David B. Spry (Prairieville, La.), Emily N. Diaz (Kennewick, Wash.), Uriah J. Kilgore (Kennewick, Wash.) and Michael R. Thorson (Richland, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method can include: in a heat exchanger, cooling a biocrude oil emulsion stream received from a biocrude oil emulsion source, wherein the emulsion can include a biocrude oil phase, an aqueous phase, and solids; in a first mixing vessel, mixing the emulsion with a solvent to dissolve the bioc...