US Patent Issued to Fortum Battery Recycling on Aug. 11 for "Process for recovering and purifying lithium" (Finnish Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,896, issued on Aug. 11, was assigned to Fortum Battery Recycling Oy (Harjavalta, Finland).

"Process for recovering and purifying lithium" was invented by Paula Kivela (Espoo, Finland), Peik Ekman (Espoo, Finland), Pasi Kauppinen (Espoo, Finland), Kenneth Ekman (Espoo, Finland) and Ville Yrjana (Espoo, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the recovery and purification of lithium from lithium containing sources, like lithium ion battery materials, using ion exchange. A lithium salt containing solution is passed through an acid cation exchange resin, and a lithium raffinate and a mixture of other eleme...