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Carbon-based selenium: an easily fabricated environmental material for removing lead from the electrolytic wastewater

Zhida Zhu, Shuai Sun, and Xiaobi Jing

School of Mechanical Engineering, Yangzhou University, Yangzhou, China

 

E-mail: zdzhu@yzu.edu.cn

Received: 29 June 2021  Accepted: 12 September 2021

Abstract:

Developing techniques for removing lead from its aqueous solution is an important subject with great application prospect. In this article, it was found that by using very small amount of selenium dopant (0.34 w/w%), the carbon-based selenium materials (Se/C) could adsorb over 2.56 times more Pb than simple carbon for the Se-metal coordination features. The material was very practical and could be successfully employed in the treatment of industrial wastewater from a lead battery factory with a variety of impurities. It has been successfully applied as the key working material in our wastewater treatment equipment. The used Se/C containing heavy metals could be treated by the combustion method to give the solid wastes with very little weight for transport and storage (ca 0.18% of the wastewater weight), which were then sent to the solid waste treatment plant to recycle the metal resources. Since Se/C can be fabricated by using cheap, abundant and renewable carbohydrates as the carbon source, the cost of the material is relatively low, affording a practical material for lead waste treatment.

Keywords: Selenium; Carbon; Industrial wastewater; Lead; Heavy metal removing

Full paper is available at www.springerlink.com.

DOI: 10.1007/s11696-021-01875-6

 

Chemical Papers 76 (1) 401–408 (2022)

Tuesday, March 05, 2024

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