US Patent Issued to UMICORE on Oct. 7 for "Recovery of nickel and cobalt from black mass" (Belgian Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,209, issued on Oct. 7, was assigned to UMICORE (Brussels).

"Recovery of nickel and cobalt from black mass" was invented by Ryohei Yagi (Olen, Belgium) and Lennart Scheunis (Olen, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention lies in the field of pyrometallurgy and discloses a process and a slag suitable for the recovery of Ni and Co from Li-ion batteries or their waste, particularly from Black Mass.The slag composition is defined according to: 25%greater thanMnOgreater than70%; Al2O3+0.5 MnOgreater than45% SiO2less than5%; Li2Oless than1%; MnO+Li2O+Al2O3+CaO+SiO2+FeO+MgO+P2O5less than90%; and, wherein (CaO+2 Li2O+0.4 Mn...