Abstract
Water contamination by pollutants has become one of the most critical health problem worldwide. In the current era, the supply of high-quality drinking water to the society with cheaper technology is a key requirement for growing the economy. The foremost challenge is to develop innovative wastewater treatment technologies with low production cost and enhanced efficiency. Concomitantly, the role of nanotechnology in pollution remediation, drinking, and wastewater treatment has proven to be promising according to numerous pilot-scale, laboratory, and in situ studies. Remarkable nanoscale features, namely excellent adsorption properties, enhanced photocatalysis, and high reactivity, have fostered dynamic innovation globally. This review focuses on the state-of-art of treatment techniques with nano-based materials, for example graphene and carbon nanotubes, metal nanoparticles such as silver, iron, zinc and magnesium, and metal oxide nanoparticles and magnetic-core composites including cobalt, nickel, and iron. Furthermore, we compare emerging and conventional technologies in terms of production cost and performance for both organic and inorganic pollutants. In addition, challenges and future aspects of engineered nanomaterials to environmental applications in wastewater treatment are also outlined.
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(reproduced with permission of Rodrigues et al. 2013). Copyright 2013 Elsevier
(Reproduced with permission of Das et al. 2014). Copyright 2014 Elsevier
(reproduced with permission of Balaji Mohana et al. 2018). Copyright 2018 Elsevier
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Authors are grateful to Durban University of Technology and National Research Foundation of South Africa for their financial support in the form of NRF-DST Innovation Doctoral Scholarship (UID: 107643) to carry out this work.
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Madhura, L., Singh, S., Kanchi, S. et al. Nanotechnology-based water quality management for wastewater treatment. Environ Chem Lett 17, 65–121 (2019). https://doi.org/10.1007/s10311-018-0778-8
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DOI: https://doi.org/10.1007/s10311-018-0778-8