Optimizing Metal Recovery from Low-Grade TV Waste Printed Circuit Boards: Evaluation of Multi-Stage Physical Separation Processes

This chapter delves into the optimization of metal recovery from low-grade TV waste printed circuit boards (WPCBs) through multi-stage physical separation processes. The study focuses on the effectiveness of magnetic, electrostatic, and gravity separation methods in enhancing the recovery of copper and iron. Initial material preparation involves shredding and sieving, followed by sequential separations. Magnetic separation effectively isolates iron, achieving a high recovery rate, while electrostatic and gravity separation methods significantly improve copper recovery. The study concludes with a detailed analysis of the metal recovery yields and the potential for commercial application. The findings highlight the importance of optimizing separation processes to maximize metal recovery and minimize waste. The chapter also discusses the need for further research to recover copper from intermediate fractions, enhancing overall recovery yields.