Heavy metal contamination is a global issue, where the prevalent contaminants are arsenic
(As), cadmium (Cd), chromium (Cr)(VI), mercury (Hg), and lead (Pb). More often, they are …

Owing to industrial evolution, a huge mass of toxic metals, including Co, Cu, Cr, Mn, Ni, Pb,
and Zn, and metalloids, such as As and Sb, has inevitably been released into the natural …

Spent lithium-ion batteries have caused global concern owing to their rich resource metal
content and high potential for polluting the environment. In the present study, a green …

Tungsten is recognized as a critical metal due to its unique properties, economic
importance, and limited sources of supply. It has wide applications where hardness, high …

Solid wastes containing potentially toxic elements (PTEs) are widely generated around the
globe. Critical concerns have been raised over their impacts on human health and the …

Solid metalliferous wastes (sludges, dusts, residues, slags, red mud and tailing wastes)
originating from ferrous and non-ferrous metallurgical industries are a serious environmental …

The accumulation of mine tailings on Earth is a serious environmental challenge. The
importance for the recovery of heavy metals, together with the economic benefits of precious …

The technology for recycling the spent coin cells is pressing needed due to a large amount
of generated spent coin cells. However, there is little information about the recycling …

Two parallel biofilters applying sulfur/pyrite-based autotrophic denitrification were
investigated for removing COD, TP and TN by a coordinated process. Results demonstrated …

This review paper explores the potential of bioleaching as a sustainable alternative for
recovering metals from solid matrices. With over 12 billion tons of solid waste annually …