Comprehensive Utilization of PCB Plating Waste Liquid: Methods and Benefits
Abstract Printed Circuit Board (PCB) manufacturing generates significant amounts of plating waste liquid containing heavy metals, acids, alkalis, and organic compounds. Improper disposal poses severe environmental and health risks. This paper explores various methods for the comprehensive utilization of PCB plating waste liquid, including metal recovery, chemical treatment, and resource recycling. By adopting these techniques,…