US Patent Issued to BEIJING UNIVERSITY OF TECHNOLOGY on Jan. 27 for "Method of purifying sodium bromide from waste circuit boards pyrolysis coke" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,376, issued on Jan. 27, was assigned to BEIJING UNIVERSITY OF TECHNOLOGY (Beijing).

"Method of purifying sodium bromide from waste circuit boards pyrolysis coke" was invented by Yufeng Wu (Beijing), Gongqi Liu (Beijing) and De-an Pan (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing and purifying sodium bromide using the coke from waste circuit boards pyrolysis residues as reducing agent, belonging to the field of purifying sodium bromide and high-value utilization, and more particularly, relating to a method for reducing and purifying crude bromine salt obtained from waste circuit boards smelting ash by using the coke i...