US Patent Issued to UNIVERSIDAD DE CONCEPCION on May 26 for "Method for producing copper metal from copper concentrates without generating waste" (Chilean Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,738, issued on May 26, was assigned to UNIVERSIDAD DE CONCEPCION (Concepcion, Chile).

"Method for producing copper metal from copper concentrates without generating waste" was invented by Igor Wilkomirsky Fuica (Concepcion, Chile), Fernando Antonio Parada Luna (Concepcion, Chile), Eduardo Balladares Varela (Concepcion, Chile) and Roberto Parra Figueroa (Concepcion, Chile).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing copper metal from copper concentrates without generating waste by: (a) oxidizing copper concentrate; (b) cleaning and cooling the gases; (c) feeding to a reduction reactor; (d) cleaning the gases; (e) discharging h...