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Abstract

At present, the textile industries are growing very fast to meet the demand of exponentially growing population. They discharge effluent in an open environment, which is responsible for causing serious health concerns to the life forms and polluting the environment due to the presence of dye. So, it is necessary to degrade the harmful dyes from the effluent before their discharge in the surroundings. Several conventional methods are in use for dye removal such as activated carbon adsorption, ozonation, electrochemical oxidation, forward osmosis, biological degradation, coagulation, and flocculation, but these methods are inefficient in successful degradation of dye from the effluent and are also not environmentally friendly. Nowadays, nanomaterials have found a wide range of applications in different fields such as analytical, cosmetics, agriculture, electronics, and medical applications. This is due to their unique properties like small in size, large surface area, highly electrocatalytic, biocompatible, antimicrobial properties, and so on. These unique properties have attracted different researchers to use them for degradation of dyes from the effluent of various industries. This review highlights the toxicity caused by the dye-containing effluent and the mechanism of degradation of dye using nanomaterials. The chapter also emphasizes on the use of nanomaterials (nanoparticles, carbon nanotubes, nanorods, graphene sheets, and fullerene structure) for dye removal.

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Acknowledgments

Author sincerely acknowledges University Institute of Engineering & Technology, Maharshi Dayanand University, Rohtak, India, for providing necessary facilities.

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Correspondence to Vikas Dhull .

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Questions

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  1. 1.

    Write a note on classification of dyes.

  2. 2.

    What are the toxic effects of dyes on the environment and living beings?

  3. 3.

    Discuss in detail conventional methods used to remove dyes.

  4. 4.

    Write down different types of nanomaterials along with their properties.

  5. 5.

    How nanomaterials can be used for removal of dyes and what are their inherent properties, which make them an excellent candidate for dye removal?

  6. 6.

    Discuss the mechanism dye removal via photodegradation.

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Dhull, R., Rathee, K., Dhull, V. (2023). Nanoparticles in Dye Degradation: Achievement and Confronts. In: Kumar, R., Kumar, R., Chaudhary, S. (eds) Advanced Functional Nanoparticles "Boon or Bane" for Environment Remediation Applications. Environmental Contamination Remediation and Management. Springer, Cham. https://doi.org/10.1007/978-3-031-24416-2_7

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