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Remediation of Contaminants from Wastewater Using Algal Nanoparticles via Green Chemistry Approach: an Organized Review by Anuj Sharma; Kaushik Pal; Neha Saini; Sumit Kumar; Deepak Bansal; Sharma Mona is a Materials Science article available to read on EtoBox.

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## Abstract Bio-nanotechnology is one of the new and sound techniques that have various advantages over conventional methods of wastewater treatment. The utilization of nanomaterials like nanoparticles for wastewater treatment is emerging field of research. Both physical and chemical methods can be used for nanoparticle synthesis, but synthesis based on algae (biological method) has numerous advantages over others as it is environmentally friendly and sustainable. Top–down and bottom–up are the two approaches used for nanoparticle synthesis, generally, bio-reduction (bottom–up approach) is used to synthesize nanoparticles. Nanoparticles can be synthesized inside the cell of algae called intracellular synthesis and outside on the surface of the cell called extracellular synthesis. Temperature, pH, and reaction time are some of the factors that can influence the synthesis, size, and properties of nanoparticles. Characterization of nanoparticles is carried out with the help of the techniques like UV–visible spectroscopy (UV–vis), x-ray diffraction, Fourier transfer infrared spectroscopy, etc. Algal nanoparticles are highly efficient in the remediation of contaminants like heavy metals

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Author

Anuj Sharma; Kaushik Pal; Neha Saini; Sumit Kumar; Deepak Bansal; Sharma Mona

Publisher

IOP Publishing

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)