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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …