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Visible-Light-Responsive Nanostructured Materials for Photocatalytic Degradation of Persistent Organic Pollutants in Water

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Green Methods for Wastewater Treatment

Part of the book series: Environmental Chemistry for a Sustainable World ((ECSW,volume 35))

Abstract

Persistent organic pollutants (POPs) such as polychlorinated biphenyls and polycyclic aromatic hydrocarbons consist of a group of synthetic compounds that are characterized by their resistance to degradation, important long-range transportation, and harmful effects to the ecosystems and human well-being. Certainly, we cannot think about progress in human civilization without industrialization. However, the rapid evolution in chemical, agrochemical, and petrochemical industries and the population exponential growth in the last century have given rise to an important number of toxic, bioaccumulative, and persistent organic chemicals in the environment. Effective removal of persistent organic pollutants (POPs) from wastewater represents one key approach that could limit their potential environmental impacts. Among a variety of techniques reported for the treatment of organic compound-contaminated wastewater, heterogeneous photocatalytic method using visible-light-responsive semiconductors has been articulated as an efficient technology that holds good potential for the removal of POPs. This chapter gives an overview of the latest development in the design and synthesis of unique semiconductors with visible-light-driven catalytic degradation of POPs. Contextual information on the basic principles of heterogeneous photocatalysis, paths of visible-light response, and photocatalytic performance of innovative semiconductor materials are presented.

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Abbreviations

POPs:

Persistent organic pollutants

BPA:

Bisphenol A

DDT:

Dichlorodiphenyl trichloroethane

PFOA:

Perfluorooctanoic acid

HCB:

Hexachlorobenzene

PFOS:

Perfluorooctane sulfonate

PCBs:

Polychlorinated biphenyls

TNF-α:

Tumor necrosis factor α

PCDFs:

Polychlorinated dibenzofurans

HepG2:

Human hepatoblastoma cell line

PCDDs:

Polychlorinated dibenzodioxins

AOPs:

Advanced oxidation processes

PBBs:

Polybrominated biphenyls

CB:

Conduction band

PFOS:

Perfluorooctane sulfonate

VB:

Valence band

PFOSF:

Perfluorooctane sulfonyl fluoride

TTIP:

Titanium tetraisopropoxide

BDE209:

Decabromodiphenyl ether

GO:

Graphene oxide

PAHs:

Polycyclic aromatic hydrocarbons

UV:

Ultraviolet

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Correspondence to Arjun Maity .

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Paumo, H.K., Das, R., Bhaumik, M., Maity, A. (2020). Visible-Light-Responsive Nanostructured Materials for Photocatalytic Degradation of Persistent Organic Pollutants in Water. In: Naushad, M., Rajendran, S., Lichtfouse, E. (eds) Green Methods for Wastewater Treatment. Environmental Chemistry for a Sustainable World, vol 35. Springer, Cham. https://doi.org/10.1007/978-3-030-16427-0_1

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