Nanotechnology is a multidisciplinary area with a wide range of
applications. Recent developments in nanotechnology and nanoscience have also
triggered the development of new nanomaterials (NMs), enhancing the hazards to
human health and the environment. There has been a rise in interest in creating
ecologically friendly techniques for producing metallic nanoparticles (MNPs). The aim
is to reduce the harmful effects of synthetic technologies, the chemicals used in
association with them, and the derivative products. A useful strategy in green
nanotechnology is the utilization of various biomolecules for the fabrication of NPs.
MNPs that are inexpensive, energy-efficient, nontoxic, and beneficial to the
environment have been produced using biological resources, including bacteria, algae,
fungi, and plants. Plant components are mainly employed as capping and reducing
agents in green synthesis. MNPs of various sizes and forms have been created using
bark, leaves, fruits, and flower extracts. In this chapter, we have addressed the green
synthesis of palladium NPs to remove positive ions, negative ions, and dye from
wastewater, their potential applications and the directions for future research.
Keywords: Application of nanoparticles, Dye removal, Green synthesis, Ions removal, Leaf extracts, Palladium nanoparticles, Wastewater treatment.
