Nanomaterials for the Removal of Heavy Metals from Wastewater

Removal of contaminants in wastewater, such as heavy metals, has become a severe problem in the world. Numerous technologies have been developed to deal with this problem. As an emerging technology, nanotechnology has been gaining increasing interest and many nanomaterials have been developed to rem...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2019-03, Vol.9 (3), p.424
Main Authors: Yang, Jinyue, Hou, Baohong, Wang, Jingkang, Tian, Beiqian, Bi, Jingtao, Wang, Na, Li, Xin, Huang, Xin
Format: Article
Language:English
Subjects:
carbon-based nanomaterials
heavy metal
metal oxide
nanocomposite
nanomaterials
Review
wastewater
zero-valent metal
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Summary:Removal of contaminants in wastewater, such as heavy metals, has become a severe problem in the world. Numerous technologies have been developed to deal with this problem. As an emerging technology, nanotechnology has been gaining increasing interest and many nanomaterials have been developed to remove heavy metals from polluted water, due to their excellent features resulting from the nanometer effect. In this work, novel nanomaterials, including carbon-based nanomaterials, zero-valent metal, metal-oxide based nanomaterials, and nanocomposites, and their applications for the removal of heavy metal ions from wastewater were systematically reviewed. Their efficiency, limitations, and advantages were compared and discussed. Furthermore, the promising perspective of nanomaterials in environmental applications was also discussed and potential directions for future work were suggested.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano9030424