Isoura, SMM - Nickel sulphate refinery

Operated by Sumitomo Metal Mining (SMM), the Isoura plant is located in Niihama City, Japan. The plant produces nickel sulphate from third party nickel briquette feedstock. This feedstock is converted to nickel sulphate via dissolution in sulphuric acid. In 2021, the plant had a nickel sulphate capacity of 10.0kt (in contained Ni) in 2021 and produced 7.7kt (in contained Ni) in the same year. Wood Mackenzie’s asset reports are built from the bottom up, incorporating several granular data metrics to ultimately produce our industry-standard cash operating costs. This report contains a detailed asset note giving you a holistic view of the asset, including an operational overview through to a timeline of events from inception to now. This qualitative analysis is supplemented by the associated Excel download which enables interrogation of a whole series of cost and production metrics over the life of the asset.