US Patent Issued to BEIJING UNIVERSITY OF TECHNOLOGY on June 17 for "Method for recovering high-purity sodium bromide from bromine-containing crude salt" (Chinese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,955, issued on June 17, was assigned to BEIJING UNIVERSITY OF TECHNOLOGY (Beijing).

"Method for recovering high-purity sodium bromide from bromine-containing crude salt" was invented by Dean Pan (Beijing) and Guanjun Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention belongs to the field of bromine recovery from waste circuit board, and particularly relates to a method for recovering high-purity sodium bromide from bromine-containing crude salt. The invention mainly includes the steps of acidification oxidation, multi-stage extraction, and cooperative back extraction. Compared with traditional chlorine oxidation and single urea...