In this review, resources of nickel and status of different processes/technologies in vogue or
being developed for extraction of nickel and associated metals from both primary and …

The mass% metal composition of deep sea nodules ranges from 10–28% Mn, 4–16% Fe,
0.3–1.6% Ni, 0.02–0.4% Co, and 0.1–1.8% Cu in mixed oxide matrices with alumina and …

This review examines the atmospheric leaching (AL) of nickel laterite ores with sulphuric
acid, specifically the limonite, smectite (clay) and saprolite fractions. The kinetics and …

Most existing hydrometallurgical processes for the leaching of nickel laterites employ
sulphuric acid. Alternative technologies that utilise other leaching agents such as …

The separation of high levels of iron from acid leaching liquor is a difficult task, especially in
the atmosphere acid leaching process for laterite ore. In this paper the removal of iron by …

Improved atmospheric acid leaching (AL) of complex, low grade nickel (Ni) laterite ores
warrants greater knowledge of the exact processes underpinning Ni and pay metal cobalt …

The reductive leaching behaviour of manganese (Mn) and cobalt (Co) in a laterite and a
pure manganese ore was investigated by varying and optimising various leaching …

The reductive leaching of nickel laterite has attracted the interest of many researchers due to
the enhanced kinetics of nickel and cobalt dissolution in the presence of acids and reducing …

Nickel, cobalt and iron were extracted from Caldag lateritic nickel ore under atmospheric
pressure acidic leaching conditions. The following variables were examined to understand …

Hydrochloric acid leaching of nickel from spent Ni–Al2O3 catalyst (12.7% Ni, 39.2% Al and
0.68% Fe) has been investigated at a range of conditions by varying particle size (50 …