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 …

Among the different extraction techniques used at analytical and preparative scale,
supercritical fluid extraction (SFE) is one of the most used. This review covers the most …

Supercritical carbon dioxide (SC‐CO2) is CO2 that is stored beyond its critical point of 7.4
MPa and 31.1° C. Given the request for consumption of a green solvent for the environment …

Phytomining of noble metals (NMs) offers a promising possibility of metal extraction at sites
where traditional mining activities or recovering NMs from low-grade minerals are not …

In the past several decades, many technologies to recover platinum group metals (PGMs)
and rhenium (Re) from electronic waste and spent catalysts have been developed and …

The car industry is one of the technological applications which more platinum-group metals
(PGM) employs. Therefore, the recovery of the PGMs from the car catalytic converters could …

The spent automobile catalysts (SAC) is the major secondary source of palladium and the
production of SAC is increasing rapidly over years. The price of palladium keeps rising over …

Recovery of PGMs (especially rhodium, platinum, and palladium) from different spent
manufactured products (like catalytic converters) is considered as an important task as they …

The recovery of platinum group metals (PGMs) from secondary raw materials has become a
topic of critical importance mainly due to the gradual depletion of their natural resources and …

Utilising additive manufacturing (AM), reactors with composite structures, featuring locally
tuned geometries and controlled porosity, can effectively be employed in chemical reactions …