Wastes containing critical metals are generated in various fields, such as energy and
computer manufacturing. Metal-bearing wastes are considered as secondary sources of …

Biohydrometallurgy has been commercially applied for the extraction of base metals from
low-grade sulfidic ores and the pre-treatment of refractory sulfidic gold-containing minerals …

Highlights•Synthetic microbial consortia extend the scope of metabolic engineering.•Division
of labor between subpopulations of a consortium may outperform monocultures.•Synthetic …

Acid-tolerant bacteria such as Streptococcus mutans, Acidobacterium capsulatum,
Escherichia coli, and Propionibacterium acidipropionici have developed several survival …

The bioleaching technology has been considered as a promising green technology for
remediation of contaminated sediments in recent years. Bioleaching technology was …

Bioleaching is a promising strategy to recover valuable metals from spent printed circuit
boards (PCBs). The performance of the process is catalyzed by microorganisms, which the …

Although Tween-20 was used as an important catalyst to increase chalcopyrite bioleaching
rate by acidophiles, the effect of Tween-20 on initial adhesion and biofilm development of …

Removal of metals from high pressure acid leaching (HPAL) residue was essential to
alleviate potential environmental threat and avoid valuable metals loss. However, cost …

Waste management of persistent polymers such as polyolefins (PO) 1 still represents a
major challenge, often leading to material loss from the value chain and contributing to …

Pine oil, commonly used as a flotation frother, could affect the bioleaching process. The
attachment and biofilm development of acidophiles on metal sulfides were essential for …