The supply risk for some critical rare-earth elements (REEs), which are instrumental in many
cleantech applications, has sparked the development of innovative recycling schemes for …

Mining is an important industry, accounting for 6.9% of global GDP. However, global
development promotes accelerated demand, resulting in the accumulation of hazardous …

Nowadays, nearly 50% of the hydrogen produced worldwide comes from Steam Methane
Reforming (SMR) at an environmental burden of 10.5 t CO2, eq/t H2, accelerating the …

Mining and metallurgical processes produce significant amounts of waste. In South Africa,
mining and metallurgical wastes constitute one of the biggest challenges to the environment …

This work explores the mineral carbonation of stainless steel slags in search for a technically
and economically feasible treatment solution that steers these waste residues away from …

The environmental impact of Ordinary Portland Cement (OPC) is significant because its
production emits large amounts of CO2. Further, OPC durability is limited largely due to …

Efficient utilisation and recycling of industrial waste along with minimum exploitation of
natural resources are major challenge towards the circular economy and sustainability of the …

This work aims to assess the possibility of using ladle metallurgy and argon oxygen
decarburization stainless steel slag as a hydraulic binder after mechanical activation …

Abstract Non-stabilized Argon Oxygen Decarburisation (AODNS) slag in powdered form was
examined for its carbon dioxide sequestration capacity and for its potential utilisation in the …

A novel aluminothermic smelting reduction (ASR) process was investigated for cleaning
waste copper slag; this process is not only able to recover valuable iron, but also eliminates …