alexa Nanomaterials as Sorbents to Remove Heavy Metal Ions in Wastewater Treatment
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
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Research Article

Nanomaterials as Sorbents to Remove Heavy Metal Ions in Wastewater Treatment

Xiangtao Wang1, Yifei Guo1*, Li Yang1, Meihua Han1, Jing Zhao1 and Xiaoliang Cheng2
1Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, P.R. China
2Mailstop 977-180A, Life Sciences Division, Lawrence Berkeley National Lab, Berkeley, USA
Corresponding Author : Yifei Guo
Institute of Medicinal Plant Development,
Chinese Academy of Medical Sciences, Peking Union Medical College, 151 Malianwa North Road, Beijing 100094, P. R. China,
E-mail: [email protected]
Received July 16, 2012; Accepted August 20, 2012; Published August 24, 2012
Citation: Wang X, Guo Y, Yang L, Han M, Zhao J, et al. (2012) Nanomaterials as Sorbents to Remove Heavy Metal Ions in Wastewater Treatment. J Environ Anal Toxicol 2:154. doi:10.4172/2161-0525.1000154
Copyright: © 2012 Wang X, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

Wastewater containing heavy metal ions is considered as the serious environmental problem in human society. Adsorption as the widely used method plays an important role in wastewater treatment, which is based on the physical interaction between metal ions and sorbents. With the development of nanotechnology, nanomaterials are used as the sorbents in wastewater treatment; several researches have proved that nanomaterials are the effective sorbents for the removal of heavy metal ions from wastewater due to their unique structure properties. Three kinds of nanomaterials are presented in this paper, including nanocarbon materials, nanometal particles, and polymer-supported nanoparticles.For heavy metal ions, all these nanomaterials show high selectivities and adsorption capacities. Besides, the adsorption isotherm model and adsorption kinetics are introduced briefly to understand the adsorption procedure.

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