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- Title
Green Synthesized Cerium Oxide Nanoparticles as Efficient Adsorbent for Removal of Fluoride Ion from Aqueous Solution.
- Authors
Kashyap, Komal; Verma, Dakeshwar Kumar; Pattanayak, Subrat Kumar; Khan, Fahmida
- Abstract
The preparation of cerium oxide nanoparticles from seed extract of Litchi chinensis was synthesized by a green synthesis method. Chemical and physical properties of the synthesized adsorbent were confirmed by Fourier transform infrared spectrometer (FT-IR), powder X-ray diffraction technique (PXRD), high-resolution transmission electron microscope (HR-TEM), scanning electron microscope (SEM), energy dispersive spectrum (EDS), and Raman spectrum. The batch process is used to calculate the removal efficacy of fluoride ion from the aqueous solution at different pH, temperature, contact duration, and initial fluoride concentration. The maximum removal efficiency was observed to be attained at pH 7 in one hour. The Langmuir model as well as the pseudo-second-order model provides accurate description for the adsorption isotherm and kinetics. According to HR-TEM analysis, the size of the cerium oxide nanoparticle is having 10 nm with spherical shape. The results from this study indicated the ability of cerium oxide nanoparticles prepared from Litchi chinensis, to remove fluoride in water, and had possibility to clean wastewater treatment.
- Subjects
CERIUM oxides; TRANSMISSION electron microscopes; FOURIER transform spectrometers; X-ray powder diffraction; ADSORPTION kinetics; SCANNING electron microscopes
- Publication
Water, Air & Soil Pollution, 2023, Vol 234, Issue 3, p1
- ISSN
0049-6979
- Publication type
Article
- DOI
10.1007/s11270-023-06191-1