Graphene-Based Nanomaterials for Water Remediation Applications

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Handbook of Green and Sustainable Nanotechnology

Abstract

Due to rapid industrialization and modernization, degradation in the quality of natural and man-made water bodies has become rampant today. The detrimental effects of water contamination have led to substantial economic, social, and health impacts. In water remediation applications, the large family of graphene-based nanomaterials (GBNs) including graphene (G), graphene oxide (GO), and reduced graphene oxide (rGO) have been explored as a promising solution. In the mitigation of various pollutants, which also extends to the mitigation of bacteria/microbial infestation, various modified GBNs have been proposed. The growing field of polluted water bodies management includes adsorption and photocatalytic degradation, among the different technologies developed. In the present chapter, a comprehensive discussion on the recent assessment of GBN for the adsorption and photodegradation of certain pollutants, such as organic dyes, heavy metals, emerging contaminants, and oil have been presented. Efforts have also been made to collate the application of several photocatalytic antibacterial disinfections using GBNs published in recent years. Finally, by paying specific attention to the opportunities and challenges that lie ahead, we address the prospects of GBNs. The authors humbly believe that this write-up will at least provide a general understanding of GBNs in the application of water remediation.

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Abbreviations

3D:

Three-dimensional

CB:

Conduction band

G:

Graphene

GBN:

Graphene-based nanomaterial

GO:

Graphene oxide

IPD:

Intraparticle diffusion

MGO:

Magnetic graphene oxide

NP:

Nanoparticle

PFO:

Pseudo-first order

PSO:

Pseudo-second order

rGH:

Reduced graphene hydrogel

rGO:

Reduced graphene oxide

ROS:

Reactive oxygen species

TC:

Tetracycline

VB:

Valence band

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Correspondence to Yoshito Andou .

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Zheng, A.L.T., Che Abdullah, C.A., Andou, Y. (2023). Graphene-Based Nanomaterials for Water Remediation Applications. In: Shanker, U., Hussain, C.M., Rani, M. (eds) Handbook of Green and Sustainable Nanotechnology. Springer, Cham. https://doi.org/10.1007/978-3-031-16101-8_36

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