PROCESS

• Main Authors: DUVENHAGE, Dawid, COWEN, Kenneth, KHARAS, Karl, ROBOTA, Heinz J, MUHLENKAMP, Jessica A, SCHRADER, Lucas D
• Format: Patent
• Language: English; French
• Published: 26.09.2024
• Subjects: CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention concerns a leaching composition for extracting cobalt from a waste material, wherein the composition comprises at least one chemically active organic lixiviant comprising at least one weakly acidic hydroxyl group, the organic lixiviant being effective to alter the oxidation state of co...