US Patent Issued to BEIJING UNIVERSITY OF TECHNOLOGY on April 14 for "Method of pyrolysis for waste light-emitting electronic components and recovery for rare-earth element" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,599,946, issued on April 14, was assigned to BEIJING UNIVERSITY OF TECHNOLOGY (Beijing).

"Method of pyrolysis for waste light-emitting electronic components and recovery for rare-earth element" was invented by Yufeng Wu (Beijing) and Shuhao Zhang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention disclosed a method for recycling rare earth elements from waste light-emitting electronic components by pyrolysis and alkaline melting-acid leaching. Based on the pyrolysis properties of the organic polymer, through catalytic pyrolysis of the organic polymer material in electronic components and convert the carbon in the residue into water g...