"Synthesis of Cobalt Oxide and Magnesium Oxide Nanoparticles for Enhanced Wastewater Treatment Applications"

  • Ekta, Sanjeev Sharma
Keywords: Cobalt oxide nanoparticles, Magnesium oxide nanoparticles, Sol-gel synthesis, Wastewater treatment, Heavy metal removal, Organic pollutant degradation, Nanoparticles, Adsorption, Catalytic degradation, Environmental remediation

Abstract

The sol-gel synthesis, optimisation, and characterisation of cobalt oxide (CoO) and magnesium oxide (MgO) nanoparticles for wastewater treatment are examined in this paper. Due to their enormous surface area, reactivity, and capacity to catalyse organic pollutant breakdown and adsorb heavy metal ions, metal oxide nanoparticles are potential candidates for efficient and sustainable water filtration. To optimise nanoparticle size, shape, and surface properties, precursor concentration, calcination temperature, and time were adjusted. XRD, SEM, TEM, and FTIR were used to analyse the synthesised nanoparticles' structural and morphological properties. XRD revealed the nanoparticles' crystalline structures, including CoO (cubic phase) and MgO (well-defined cubic structure). The typical crystallite sizes for CoO and MgO were 22 and 18 nm, respectively, while TEM showed nanoparticle size distributions of 20-25 and 15-20 nm. The purity of metal oxide nanoparticles was validated by FTIR spectra showing Co-O and Mg-O bonding. Nanoparticles characterisation, batch adsorption, and catalytic degradation tests were performed to evaluate their efficacy in treating synthetic wastewater with heavy metals and organic contaminants. After 3 hours of treatment, CoO nanoparticles degraded methylene blue dye 92% efficiently. MgO nanoparticles effectively adsorb heavy metals like lead (Pb²⁺) and cadmium (Cd²⁺), with removal efficiencies of 88% and 85%, respectively. MgO nanoparticles' reduced size and increased surface area improved their aqueous metal ion adsorption. This study shows that CoO and MgO nanoparticles can remediate industrial wastewater by adsorbing and degrading organic and inorganic contaminants. Surface functionalisation of nanoparticle production may improve their efficiency and adaptability in wastewater treatment applications.

Author Biography

Ekta, Sanjeev Sharma

Professor Department of Chemistry School of Applied Sciences Om Sterling Global University Hisar (Haryana)

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Published
2024-06-02
How to Cite
Ekta, Sanjeev Sharma. (2024). "Synthesis of Cobalt Oxide and Magnesium Oxide Nanoparticles for Enhanced Wastewater Treatment Applications". Revista Electronica De Veterinaria, 25(1S), 1711-1718. https://doi.org/10.69980/redvet.v25i1S.1590