期刊
SEPARATION SCIENCE AND TECHNOLOGY
卷 50, 期 16, 页码 2587-2595出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2015.1061005
关键词
E-waste; hydrometallurgy; iodine; gold; recycling
资金
- The Scientific and Technological Research Council of Turkey (TUBITAK)
- Marie Curie Actions under FP7
- Research Projects Coordination Unit of the Suleyman Demirel University [BAP 3710-YL2-13]
Printed circuit board (PCB) is the essential part of electronic devices and has an important source of base and precious metals with high economic potential. In this study, selective leaching of gold from PCB was performed in an iodine-hydrogen peroxide (I-2-H2O2) solution system. The effects of different parameters such as iodine concentrations, H2O2 concentrations and solids-% on the gold leaching dynamics were investigated. The results show that increasing solids-% has a negative influence on the gold leaching. However, gold recovery from the e-wastes in a solution containing 3% iodine, 1% H2O2 with solids-% of 15% resulted with 100% recovery among all leaching tests.
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