Cobalt sulphate produced from deep seafloor
The cobalt sulphate produced from deep seafloor polymetallic nodules was made in partnership with The Metals Company (TMC) and SGS Canada.
The cobalt sulphate was produced in a testing programme applying TMC’s flowsheet design that processes high-grade nickel-copper-cobalt matte directly to high-purity cobalt sulphate and produces fertiliser products instead of solid waste or tailings.
The nodule processing was at a pilot scale.
This is in line with TMC’s aim to decrease reliance on land-based cobalt deposits.
The test work was carried out at SGS’ Metallurgical Center of Excellence testing facility in Lakefield, Ontario.
Based on samples of nickel-cobalt-copper matte first produced by TMC in 2021, the Extractive Metallurgy team at SGS tested TMC’s flowsheet.
This follows last month’s successful production of nickel sulphate.
The Metals Company is an explorer of lower-impact battery metals from seafloor polymetallic nodules.
SGS is an inspection, verification, testing and certification company.
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