Degradation Characteristics of Cationic Red X-GRL with Gd, La Co-doped PbO2 Electrode

Degradation Characteristics of Cationic Red X-GRL with Gd, La Co-doped PbO2 Electrode

Weidong LiHuayun Yang Qi Liu 

Polytechnic school, Qian jiang College of Hangzhou Normal University, Hangzhou 310036, China

College of Life and Environment Science, Hangzhou Normal University, Hangzhou 310036, China

Corresponding Author Email: 
lwd@hznu.edu.cn
Page: 
145-148
|
DOI: 
https://doi.org/10.14447/jnmes.v18i3.360
Received: 
18 June 2015
|
Accepted: 
3 July 2015
|
Published: 
31 August 2015
| Citation
Abstract: 

To enhance the degradation efficiency as purpose, the Gd2O3and La2Owere doped in the lead dioxide electrode by the thermal decomposition and electro-deposition technique for the treatment of simulated wastewater containing cationic red X-GRL (X-GRL). The optimized molar ratio of Pb:Gd:La of 200mol:3mol:1mol, and the optimal degradation conditions of current density 50 mA/cm2, 0.1 mol/L Na2SO4, initial quality concentration of X-GRL 100 mg/L, after 2 h degradation, the X-GRL and TOC removal of reached 97.81% and 51.28%, respectively. The efficiency of combustion (ηc) of rare earth co-doped electrode was increased by 0.257 than that of un-doped electrode.

Keywords: 

rare earth co-doped; PbO2 electrode; Gd2O3; La2O3; cationic red X-GRL

1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Acknowledgements

The authors are grateful for the financial support provided by the National Natural Science Foundation of China (21207028). the Zhejiang Provincial Natural Science Foundation of China (No. LY15B070013) and the Science Foundation of Education Bureau of Zhejiang Province, China (No.Y201224448).

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