Precious metals are widely applied in many industry fields due to their excellent corrosion
resistance, good electrical conductivity and high catalytic activity. However, the reserves of …

Metal-bearing solid wastes are an important secondary source of metals. Compared to
mining from ores, the recovery of metals, especially precious metals from rich secondary …

This paper provides an overview of the various processes used in the recovery of platinum
group metals (PGMs) from spent catalysts. PGM recovery is interesting due to their vast …

In the last decades, a worldwide investment in the recovery or substitution of platinum group
metals (PGMs) has been financed. PGMs have been classified as critical raw materials …

With the rapid increase of new energy industry, the shortage of critical metals for new energy
industry, such as Ni, Co, V, and Pt, has received global attention. The hazardous spent …

Platinum is one of the precious metals with many applications, including in catalysis,
electronic devices and jewelry. However, its limited resources are becoming depleted. To …

Platinum group metals (PGMs) are widely applied in the field of catalysts due to their
excellent catalyst activity and high-temperature stability. The rapid generation of the waste …

Spent catalysts from automobile industry contain environmentally critical and economically
valuable metals such as Pt, Pd, Fe, Ni, Mn, and Cr. In this paper, we report the solvent …

Recovery of platinum group metals (PGMs; Platinum, Palladium, and Rhodium) from spent
automotive catalysts (SAC) is important due to the need for resource conservation. SAC …

Several economical and industrial applications related to environmental protection and
energy conversion/storage have posed a high demand for platinum-group metals (PGMs) …