<strong>Fe-Cu-Pb</strong>合金液<strong>-</strong>液相分离及废旧电路板混合金属分级分离与回收

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^1,²,何杰^1,²(

),孙小钧^1,²,赵九洲^1,²,江鸿翔¹,张丽丽¹,郝红日¹

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

Bin CHEN^1,²,Jie HE^1,²(

),Xiaojun SUN^1,²,Jiuzhou ZHAO^1,²,Hongxiang JIANG¹,Lili ZHANG¹,Hongri HAO¹

图7. 超重力场中，M_FeC-M_PCB-M_Pb-M_Al (质量比M_FeC∶M_PCB∶M_Pb∶M_A=0.8∶1∶1.1∶0.1)、M_FeC-M_PCB (质量比M_FeC∶M_PCB=0.8∶1)和M_{Cu-rich zone}-M_Pb-M_Al (质量比M_{Cu-rich zone}∶M_Pb∶M_Al=1∶1.1∶0.1)铸锭切面的OM像(n=4500 r/min)，及离心分离得到的Cu枝晶与富Pb物质

Fig.7. OM images of the sections of M_FeC-M_PCB-M_Pb-M_Al (mass ratio M_FeC∶M_PCB∶M_Pb∶M_Al=0.8∶1∶1.1∶0.1) (a), M_FeC-M_PCB (mass ratio M_FeC∶M_PCB=0.8∶1) (b), M_{Cu-rich zone}-M_Pb-M_Al (mass ratio M_{Cu-rich zone}∶M_Pb∶M_Al=1∶1.1∶0.1) (c) ingots solidified in super-gravity field (rotation rate n=4500 r/min); and Cu dendrites (d) and Pb-rich substance (e) obtained by centrifugal separation