![Hydrometallurgical Recycling Hydrometallurgical Recycling](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjUmY2qZNehiCUCdtpwq_jjaKHeUJA_mTC3W98VNy2m_kzYI1nHEMyvm6Oy20Q5Meznv1V-CyFC3UalqDZ6xkn8DrS29qHVF143DBAu3OBbOD_71xYk1ehLJ1UiQzIcrZoPCWF8TW6BZIE/s200/Chemical+Engineering.jpg)
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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