陶瓷基PbO2电极的制备及其处理Ni-EDTA络合废水

徐小凤,卓琼芳,陈中颖,任秀文,刘静静,邱永福,李衍亮,谢水波

Preparation of a ceramic-based lead dioxide electrode and its application in treatment of Ni-EDTA complex wastewater

Xiaofeng Xu,Qiongfang Zhuo,Zhongying Chen,Xiuwen Ren,Jingjing Liu,Yongfu Qiu,Yanliang Li,Shuibo Xie

表1 不同电极去除Ni-EDTA的反应动力学参数

Table 1 Degradation kinetics constant of Ni-EDTA removal in different electrodes

阳极种类 去除率/% R2 反应速率常数/min-1 陶瓷/α-PbO2 85.33 0.964 4 0.011 6 陶瓷/α-PbO2/β-PbO2 88.26 0.957 5 0.012 2 陶瓷/α-PbO2/β-PbO2-PTFE 94.88 0.961 3 0.016 2