Sustainable recovery and recycling of scrap copper and alloy resources: A review

X Li, B Ma, C Wang, Y Chen - Sustainable Materials and Technologies, 2024 - Elsevier
Copper, as a bulk metal, has been widely used around the world in the past decades.
Historical consumption determines the supply of materials for recycling, as the scrap copper …

[HTML][HTML] Different approaches for sustainable recovery of precious metals from electronic wastes: Techno-economic evaluation and future perspectives

L Ji, Y Song, AT Nakhjiri - Ain Shams Engineering Journal, 2024 - Elsevier
Nowadays, it is estimated that approximately 50–60 million metric tons of electronic waste (e-
waste) is produced all around the world, in which modern countries are responsible for the …

Sequential recovery of copper, nickel, gold, silver and zinc from WPCBs of obsolete mobile phones through hydrometallurgical recycling

MD Rao, KK Singh - Materials Today: Proceedings, 2024 - Elsevier
Waste printed circuit board (WPCB) of an obsolete mobile phone is a valuable source of
base and precious metals. Alternatively, WPCBs also contain various lethal and toxic …

Exploring the pretreatment routes of waste printed circuit boards for enhanced metal recovery

R Jha, R Sharma, M Agrawal, MD Rao… - Materials Today …, 2024 - Elsevier
Obsolete printed circuit boards (PCBs) have been identified as secondary resources of
valuable metals (Au, Ag, Cu, etc.) at the same time environmental contaminants in case of …

Techno-economic analysis of the sequential recovery of valuable metals from waste tantalum capacitors in Indian context

M Agrawal, R Singh, KK Singh - Process Safety and Environmental …, 2023 - Elsevier
The necessity for urban mining of metals has arisen due to the growing demand for metals
brought about by technological innovation, the depletion of natural resources, and the …

Life cycle analysis on sequential recovery of copper and gold from waste printed circuit boards

MD Rao, RB Meshram, KK Singh, CA Morrison… - Waste Management, 2023 - Elsevier
Informal recycling activities of waste printed circuit boards, such as pyrolysis and landfilling,
cause severe environmental harm to society. Pyrolysis of resin and polymer fraction leads to …

Synthesis and Characterisation of PVC-based non-plasticised polymer inclusion membranes for selective metal extraction

R Jha, M Agrawal, KK Singh - Canadian Metallurgical Quarterly, 2024 - Taylor & Francis
ABSTRACT Polymer Inclusion Membranes (PIMs) are one of the most capable systems for
metal separation from multi-metallic solutions. This process offers some advantages over …

Exploration of polymer inclusion membrane for nickel recovery from waste printed circuit boards

R Jha, KK Singh - Process Safety and Environmental Protection, 2024 - Elsevier
In this study, the selective recovery of nickel ions from waste printed circuit boards (WPCBs)
solution through polymer inclusion membranes (PIMs) containing 5-nonylsalicylaldoxime …

Extraction of metal ions from water using a novel liquid membrane containing ZIF-8 nanoparticles, an ionic liquid, and benzo-18-crown-6

A Adhami, J Towfighi, H Kazemzadeh… - … : Water Research & …, 2025 - pubs.rsc.org
As a promising type of separation membrane, liquid membranes have been broadly studied.
Developing and designing a liquid membrane that shows high performance and stability for …

Copper leaching from ultrasonically treated milled waste printed circuit boards: investigation of parameters optimization and kinetics

R Jha, MD Rao, KK Singh - Environmental Science and Pollution …, 2024 - Springer
Waste printed circuit boards (WPCBs) encompass abundant metals (gold, silver, and
copper), along with other harmful materials including brominated epoxy resins, plastics, and …