Fe-Cu-Pb合金液-液相分离及废旧电路板混合金属分级分离与回收

陈斌,何杰,孙小钧,赵九洲,江鸿翔,张丽丽,郝红日

Liquid-Liquid Phase Separation of Fe-Cu-Pb Alloy and Its Application in Metal Separation and Recycling of Waste Printed Circuit Boards

Bin CHEN,Jie HE,Xiaojun SUN,Jiuzhou ZHAO,Hongxiang JIANG,Lili ZHANG,Hongri HAO

表3 次要金属在不同分离物料中的回收率(H)

Table 3 The recycling rate (H) of various minor metals in different separated substance

Separated substance Cr Co Ni Si Ag Au Zn Sn Bi Cd In Fe-rich 94.9 93.6 80.8 93.7 - - 3.2 4.1 - - - Cu-rich 5.1 6.4 18.3 6.3 92.6 95.1 83.2 31.6 1.5 19.0 9.4 Pb-rich - - 0.9 - 7.4 4.9 13.6 64.3 98.5 81.0 90.6