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Aqueous Adsorption of Heavy Metals on Metal Sulfide Nanomaterials: Synthesis and Application

by 1,2 and 1,*
1
School of Environmental Science and Engineering, Tianjin University, Tianjin 300350, China
2
Department of Geology and Mining Engineering, Faculty of Engineering, University of Liberia, Monrovia 1000, Liberia
*
Author to whom correspondence should be addressed.
Academic Editor: Laura Bulgariu
Water 2021, 13(13), 1843; https://doi.org/10.3390/w13131843
Received: 18 May 2021 / Revised: 17 June 2021 / Accepted: 24 June 2021 / Published: 1 July 2021
(This article belongs to the Section Wastewater Treatment and Reuse)
Heavy metals pollution of aqueous solutions generates considerable concerns as they adversely impact the environment and health of humans. Among the remediation technologies, adsorption with metal sulfide nanomaterials has proven to be a promising strategy due to their cost-effective, environmentally friendly, surface modulational, and amenable properties. Their excellent adsorption characteristics are attributed to the inherently exposed sulfur atoms that interact with heavy metals through various processes. This work presents a comprehensive overview of the sequestration of heavy metals from water using metal sulfide nanomaterials. The common methods of synthesis, the structures, and the supports for metal sulfide nano-adsorbents are accentuated. The adsorption mechanisms and governing conditions and parameters are stressed. Practical heavy metal remediation application in aqueous media using metal sulfide nanomaterials is highlighted, and the existing research gaps are underscored. View Full-Text
Keywords: metal sulfide; nanomaterial; adsorption; heavy metal; aqueous media; transition metal sulfide; cationic exchange; surface complexation; electrostatic attraction metal sulfide; nanomaterial; adsorption; heavy metal; aqueous media; transition metal sulfide; cationic exchange; surface complexation; electrostatic attraction
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MDPI and ACS Style

Kromah, V.; Zhang, G. Aqueous Adsorption of Heavy Metals on Metal Sulfide Nanomaterials: Synthesis and Application. Water 2021, 13, 1843. https://doi.org/10.3390/w13131843

AMA Style

Kromah V, Zhang G. Aqueous Adsorption of Heavy Metals on Metal Sulfide Nanomaterials: Synthesis and Application. Water. 2021; 13(13):1843. https://doi.org/10.3390/w13131843

Chicago/Turabian Style

Kromah, Varney, and Guanghui Zhang. 2021. "Aqueous Adsorption of Heavy Metals on Metal Sulfide Nanomaterials: Synthesis and Application" Water 13, no. 13: 1843. https://doi.org/10.3390/w13131843

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