Journal
CHEMOSPHERE
Volume 263, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2020.128005
Keywords
Sustainable nanomaterials; Carbon nanotubes; Graphene; Carbon dots; Quantum dots; Wastewater treatment
Categories
Funding
- Iranian Nano Council
- University of Qom
- Isfahan University of Medical Sciences
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The supply of safe drinking water is a global challenge, and the use of environmentally sustainable nanomaterials as efficient adsorbents, especially carbon-based nanomaterials, has shown promising results in wastewater treatment and purification. Carbon and graphene quantum dots-derived nanomaterials hold significant potential for treating industrial wastewater and pharmaceutical-laden wastes.
The supply of safe drinking and clean water is becoming increasingly challenging proposition throughout the world. The deployment of environmentally sustainable nanomaterials with unique advantages namely high efficiency and selectivity, earth-abundance, recyclability, low-cost of production processes, and stability, has been a priority although several important challenges and constraints still remained unresolved. Carbon nanomaterials namely activated carbon, multi-walled- and single-walled carbon nanotubes, have been developed and applied as adsorbents for wastewater treatment and purification; graphene and graphene oxide-based nanomaterials as well as carbon and graphene quantum dotsderived nanomaterials have shown significant promise for water and wastewater treatment and purification, especially, for industrial- and pharmaceutical-laden wastes. This review encompasses advanced carbonaceous nanomaterials and methodologies that are deployed for the elimination of contaminants and ionic metals in aqueous media, and as novel nanosorbents for wastewater, drinking and ground water treatment. Additionally, recent trends and challenges pertaining to the sustainable carbon and graphene quantum dots-derived nanomaterials and their appliances for treating and purifying wastewater are highlighted. (C) 2020 Elsevier Ltd. All rights reserved.
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