A dielectrophoresis-assisted adsorption approach significantly facilitates the removal of cadmium species from wastewater

Hu, Jing, Chen, Huiying, Lan, Bihao, Geng, Junfeng ORCID: 0000-0001-6246-0342, Li, Hua and Xing, Xuan (2015) A dielectrophoresis-assisted adsorption approach significantly facilitates the removal of cadmium species from wastewater. Environmental Science: Water Research & Technology, 1 (2). pp. 199-203. ISSN 2053-1419

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Official URL: http://pubs.rsc.org/en/content/articlepdf/2015/EW/...

Abstract

A newly designed apparatus and process, including dielectrophoresis and adsorption to efficiently remove cadmium species from wastewater, is reported in this study. With this technique, cadmium ions are firstly adsorbed by shell powder particles, which are subsequently trapped and concentrated by a dielectrophoresis process. The factors affecting the metal removal efficiency are systematically investigated, which allows us to determine the optimal operation conditions. Our experimental data indicate that via the adsorption and dielectrophoresis steps, cadmium can be almost completely removed from wastewater as evidenced by the very high removal efficiency of 99.4%. This suggests that our dielectrophoresis-assisted adsorption approach is highly effective for the removal of cadmium, and the technique could be extended to the removal of other heavy metal ions from wastewater as well.

Item Type: Article
Uncontrolled Keywords: Environmental Engineering, Water Science and Technology
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: School of Engineering > Engineering
SWORD Depositor: JISC Publications Router
Depositing User: JISC Publications Router
Date Deposited: 05 Dec 2017 13:41
Last Modified: 06 Jul 2018 08:48
Identification Number: 10.1039/c4ew00036f
URI: http://ubir.bolton.ac.uk/id/eprint/1217

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