This study
provides an up-to-date review of recycling of printed circuit boards (PCBs),
specifically in hydrometallurgical treatment.
Waste printed
circuit boards, which are rich in base and precious metals, are the essential
component of end-of-life electrical and electronic equipment. From the
economic and environmental perspectives, the efficient recycling of PCBs is of
importance.
For the
extraction of metals from PCBs, a large amount of work has been done to
establish an environmentally friendly and economic way to recover metals from
PCBs based on physical, pyrometallurgical and hydrometallurgical processes.
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