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Review

Nanotechnology in Wastewater Management: A New Paradigm Towards Wastewater Treatment

1
Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER)—Raebareli, Lucknow 226002, India
2
Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER)—Raebareli, Lucknow 226002, India
*
Authors to whom correspondence should be addressed.
Academic Editors: Maria Isabel Capela and Mohammadreza Kamali
Molecules 2021, 26(6), 1797; https://doi.org/10.3390/molecules26061797
Received: 30 January 2021 / Revised: 5 March 2021 / Accepted: 11 March 2021 / Published: 23 March 2021
(This article belongs to the Special Issue Materials and Technologies Used in Wastewater Treatment)
Clean and safe water is a fundamental human need for multi-faceted development of society and a thriving economy. Brisk rises in populations, expanding industrialization, urbanization and extensive agriculture practices have resulted in the generation of wastewater which have not only made the water dirty or polluted, but also deadly. Millions of people die every year due to diseases communicated through consumption of water contaminated by deleterious pathogens. Although various methods for wastewater treatment have been explored in the last few decades but their use is restrained by many limitations including use of chemicals, formation of disinfection by-products (DBPs), time consumption and expensiveness. Nanotechnology, manipulation of matter at a molecular or an atomic level to craft new structures, devices and systems having superior electronic, optical, magnetic, conductive and mechanical properties, is emerging as a promising technology, which has demonstrated remarkable feats in various fields including wastewater treatment. Nanomaterials encompass a high surface to volume ratio, a high sensitivity and reactivity, a high adsorption capacity, and ease of functionalization which makes them suitable for application in wastewater treatment. In this article we have reviewed the techniques being developed for wastewater treatment using nanotechnology based on adsorption and biosorption, nanofiltration, photocatalysis, disinfection and sensing technology. Furthermore, this review also highlights the fate of the nanomaterials in wastewater treatment as well as risks associated with their use. View Full-Text
Keywords: wastewater treatment; nanotechnology; adsorption and biosorption; nanofilters; photocatalysis; disinfection; sensors; carbon; metals; zeolites wastewater treatment; nanotechnology; adsorption and biosorption; nanofilters; photocatalysis; disinfection; sensors; carbon; metals; zeolites
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MDPI and ACS Style

Jain, K.; Patel, A.S.; Pardhi, V.P.; Flora, S.J.S. Nanotechnology in Wastewater Management: A New Paradigm Towards Wastewater Treatment. Molecules 2021, 26, 1797. https://doi.org/10.3390/molecules26061797

AMA Style

Jain K, Patel AS, Pardhi VP, Flora SJS. Nanotechnology in Wastewater Management: A New Paradigm Towards Wastewater Treatment. Molecules. 2021; 26(6):1797. https://doi.org/10.3390/molecules26061797

Chicago/Turabian Style

Jain, Keerti, Anand S. Patel, Vishwas P. Pardhi, and Swaran J.S. Flora 2021. "Nanotechnology in Wastewater Management: A New Paradigm Towards Wastewater Treatment" Molecules 26, no. 6: 1797. https://doi.org/10.3390/molecules26061797

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