Applications of Nanomaterials for Heavy Metal Removal from Water and Soil: A Review

Guo Yu, Xinshuai Wang, Jie Liu, Pingping Jiang, Shaohong You, Na Ding, Qianjun Guo and Fanyu Lin
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Guo Yu: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Xinshuai Wang: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Jie Liu: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Pingping Jiang: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Shaohong You: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Na Ding: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Qianjun Guo: College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
Fanyu Lin: Third Institute of Oceanography, Ministry of Natural Resources, Xiamen 200136, China

Sustainability, 2021, vol. 13, issue 2, 1-14

Abstract: Heavy metals are toxic and non-biodegradable environmental contaminants that seriously threaten human health. The remediation of heavy metal-contaminated water and soil is an urgent issue from both environmental and biological points of view. Recently, nanomaterials with excellent adsorption capacities, great chemical reactivity, active atomicity, and environmentally friendly performance have attracted widespread interest as potential adsorbents for heavy metal removal. This review first introduces the application of nanomaterials for removing heavy metal ions from the environment. Then, the environmental factors affecting the adsorption of nanomaterials, their toxicity, and environmental risks are discussed. Finally, the challenges and opportunities of applying nanomaterials in environmental remediation are discussed, which can provide perspectives for future in-depth studies and applications.

Keywords: nanomaterials; heavy metals; remediation; nanotoxicity (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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