E-wastes being potential sources of numerous valuable metals are promoted to undergo
recycling and recovery under the umbrella of urban mining and circular economy. Thus, the …

Smart technologies and digitalisation have increased the consumption of scarce metals that
threaten the sustainability of intricated industries. Additionally, the growing streams of waste …

Recycling printed circuit boards (PCBs) in the e-waste stream is essential for ecological
protection and metal recycling for a circular economy. Efficient metal recovery from PCBs is …

This study explores the extraction of metals from spent mobile phone printed circuit boards
(SMPhPCBs) to address environmental and resource depletion concerns. The challenges in …

Leaching copper from waste printed circuit boards (WPCBs) by hydrometallurgy has always
been a hot research topic. At atmospheric pressure, hydrogen peroxide (H 2 O 2) was used …

Printed circuit boards (PCBs) make up a substantial amount of electronic waste (e-waste)
generated annually. Waste PCBs contain high quantities of copper and gold in comparison …

There is a growing interest in electronic wastes (e-wastes) recycling for metal recovery
because the fast depletion of worldwide reserves for primary resources is gradually …

Industrial waste is accumulating, while primary metal resources are depleting. Bioleaching
has been shown to be a cost-effective and environmentally friendly approach to metal …

Electrical instruments are an integral part of human life resulting in a vast electronic waste
generation (74.7 Mt by 2030), threatening human life and the environment due to its …

The bio-cyanidation process of various cyanogenic microorganisms is found to be a
sustainable and effective method for metals recovery from primary and secondary sources …