US Patent Issued on Oct. 6 for "Method for employing corn plant residue in the production of direct reduced iron" (Illinois Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,421, issued on Oct. 6.

"Method for employing corn plant residue in the production of direct reduced iron" was invented by Alvin D. Shulman (Highland Park, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Direct reduced iron (DRI) is produced at a facility comprising a catalytic reformer physically associated with a vertical shaft furnace. A biogas is produced by anaerobically fermenting an annually renewable biomass, such as corn plant residue (stover). The biogas consists essentially of methane and carbon dioxide (CH4+CO2). The carbon dioxide is retained, and the biogas with the retained carbon dioxide is introduced into the catalytic reformer wh...