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Plant Mediated Nanomaterials: An Overview on Preparation Strategies, Characterisation, and Their Potential Application in Remediation of Wastewater

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Modern Approaches in Waste Bioremediation

Abstract

Waste water containing inorganic/organic pollutants and heavy metals has become a major problem nowadays. Some heavy metals are toxic even if they are present in trace amount. So, removal through adsorption of these heavy metals is necessary as they are non-biodegradable and can easily enter in the soil and consequently harm plants and other life-forms. Nanotechnology provides a potential approach for environmental remediation as it helps in photocatalytic degradation of dyes and heavy metal adsorption from aqueous environment. Nanoparticles can be synthesized from various techniques including chemical, physical and biological. Synthesis of nanoparticles from plants is an eco-friendly, inexpensive and simple way to remediate environmental pollutants. Here, we reviewed the synthesis of nanoparticles using a wide range of plants. Plant extracts, contains a number of bioactive compounds, which serve as reducing and capping agent for the metal precursor. Plant based nanomaterials have shown ability to selectively sense the toxic hazardous heavy metals like Pb, As, Ni, Hg, Cr, Zi, Co, Fe, Mn, Pd and Se in various environmental niche. The chapter commences with the introduction to environmental degradation and discusses the phytonanoparticles synthesis approaches and their characterization. Besides this, it illustrates on role of various plant bioactive compounds in synthesis of nanomaterials. Further, it discusses role of various plant mediated nanomaterials in remediation of dyes and heavy metals. The article concludes by highlighting challenges and prospects of this emerging green technology for environmental pollution remediation.

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The authors declare that they have no conflict of interest.

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Correspondence to Navneeta Bharadvaja .

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Kumari, N., Kumar, L., Bharadvaja, N. (2023). Plant Mediated Nanomaterials: An Overview on Preparation Strategies, Characterisation, and Their Potential Application in Remediation of Wastewater. In: Shah, M.P. (eds) Modern Approaches in Waste Bioremediation. Springer, Cham. https://doi.org/10.1007/978-3-031-24086-7_15

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