Copper tailings are a common byproduct of copper production, containing high levels of
heavy metals which are released into the environment. Conventional methods have …

Manganese nodules from ocean bed are potential resources of Cu, Ni, and Co for which
land-based deposits are scarce in India. The present work describes a novel approach of …

Current study investigates the SO2 leaching of low-grade ferruginous manganese ores to
selectively recover manganese as MnSO4 and subsequently produce battery grade …

Assessment of deep-sea polymetallic nodules processing technologies has assumed
renewed importance in the context of the current thrust for supply of metals such as Cu, Ni …

The worldwide imperative for transitioning to sustainable energy depends on the availability
of essential minerals such as copper, lithium, nickel, cobalt, and rare earth elements. Some …

There is a significant deficit between the supply and demand of critical metals, leading to
look for new ways to get high-value elements from mine tailings. In this study, the …

The polymetallic manganese nodules of Indian Ocean contain 0.1-1.2% Cu, 0.26-1.1% Ni
and upto 0.1% Co [1], making it a rich source of Co and Ni for the subcontinent, for which …