Potential application of nanotechnology in wastewater management: A paradigm shift

•Nanotechniques employed for wastewater management are reviewed in the current article.•They are formulated on adsorption, biosorption, photocatalysis, nanofiltration, sensing and monitoring technologies.•Nanotechniques employ reusable particles and are thermally and mechanically stable.•Hazards ass...

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Bibliographic Details
Published in:Materials letters 2022-05, Vol.315, p.131975, Article 131975
Main Authors: Khanna, Namrata, Singh, Suruchi, Chatterji, Tanushri
Format: Article
Language:English
Subjects:
Drinking water
Materials science
Nanofiltration
Nanomaterials
Nanotechnology
Wastewater management
Wastewater treatment
Water treatment
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Summary:•Nanotechniques employed for wastewater management are reviewed in the current article.•They are formulated on adsorption, biosorption, photocatalysis, nanofiltration, sensing and monitoring technologies.•Nanotechniques employ reusable particles and are thermally and mechanically stable.•Hazards associated with their use are mainly due to their leaching into water, inhibiting growth of aquatic plankton. Water contamination adversely affects the environment and human health and has significant socioeconomic implications. Scarcity of potable water requires effective strategies for wastewater treatment. Conventional strategies release disinfection byproducts (DBPs), consume time and are expensive. Nanotechnology uses molecules or atoms to develop new devices with enhanced optical, conductive, magnetic, mechanical, and electronic characteristics. It is an emerging viable technique for wastewater purification, but its implementation needs to be explored. In this review, we specify nanotechniques for wastewater treatment, formulated on processes of adsorption, biosorption, photocatalysis, nanofiltration, sensing and monitoring technologies. Additionally, we also interpret the future of wastewater treatment through nanotechnology and the risks associated.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2022.131975