US Patent Issued to TONGJI UNIVERSITY on May 19 for "Real-time monitoring system and method for copper-arsenic sulfidation separation in copper electrolyte purification process" (Chinese Inventors)

ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,899, issued on May 19, was assigned to TONGJI UNIVERSITY (Shanghai).

"Real-time monitoring system and method for copper-arsenic sulfidation separation in copper electrolyte purification process" was invented by Linhua Jiang (Shanghai) and Ning Duan (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for monitoring copper-arsenic sulfidation separation in copper electrolyte purification process includes by PLC, timely acquiring changes in copper and arsenic concentrations in first-stage sulfidation monitoring module, determining a critical point where arsenic concentration slightly decreases, and interlocking gas inlet valve to close and...