电流对电积法回收微生物浸出wPCB中铜的影响  

Effect of Electric Current on Bioleaching and Recovering of Copper in wPCB by Electrodeposition

作　　者：闫争 曹侃[1] 

机构地区：[1]常州纺织服装职业技术学院,江苏常州213000

出　　处：《环境卫生工程》2014年第3期69-71,共3页Environmental Sanitation Engineering

摘　　要：在不同电流作用下通过电积回收微生物浸出的废弃线路板(wPCB)中铜,发现并非电流越大回收率越高。过高的电流非但不利于细菌浸出铜,也不利于阴极电积铜,从而影响回收率。在20 mA电场作用下,72 h回收率最高达到97.3%。Under different strength of electric current, the copper from waste circuit board （wPCB） was recovered and bioleached by electrodeposition. The result showed that it can not have the higher recovery rate with the more electric current increasing. The high electric current is not only against bacterial leaching of copper, but also not conducive to the negative electrodeposition of copper, thus affecting the recovery rate. In the electric field of 20 mA, the recovery rate for 72 h reached 97. 3%.

关 键 词：电积铜 微生物 wPCB 

分 类 号：X705[环境科学与工程—环境工程]