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Construction and XRD analysis of La@Co3O4@g-C3N4 nanostructures for removal of Co ions from contaminated water

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Abstract

The current study used La-Co3O4@g-C3N4 nanostructures (LCoCN) produced by ultrasonic-and sol-gel processes to remove Co (II) ions from aqueous solutions. The successful development of the composite was verified by XRD which revealed both nitride and metal oxides phases. The EDX and XPS study confirmed its elemental composition from the blended precursors. LCoCN nanostructures demonstrated a minute pore volume of 0.72 cm3.g−1 and a specific surface area of 33.677 m2/g. In addition, at a pH of 5.0, LCoCN demonstrated exceptional adsorption efficacy for Co (II). The Langmuir isotherm equilibrium was observed during the adsorption of Co (II), and it is estimated that the theoretical maximal adsorption capacity of Co (II) is 573.6 mg/g. The high precision with which the pseudo-first-order model describes the kinetic constant for Co ion adsorption onto LCoCN nanostructures is highlighted by its excellent fit to the experimental data. Thus, assessment of the adsorption potential of LCoCN in this work presented its satisfactory inherent potential with great adsorption aptitude to eliminate cobalt ions from aqueous solution demonstrating its practical applicability as an adsorbent.

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Funding

This work was supported and funded by the Deanship of Scientific Research at Imam Mohammad Ibn Saud Islamic University (IMSIU) (Grant No. IMSIU-RG23032).

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Authors and Affiliations

  1. Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 5701, 11432, Riyadh, Saudi Arabia

    Hanan Alhussain, Nuha Y. Elamin & Laila S. Alqarni

  2. Department of Chemistry, College of Science, Qassim University, 51452, Buraidah, Saudi Arabia

    A. Modwi

  3. Department of Chemistry & Industrial Chemistry, College of Applied & Industrial Sciences, Bahri University, Khartoum, Sudan

    Kamal K. Taha

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  1. Hanan Alhussain
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All authors participated in the study’s design, preparation of materials, data collection, and analysis. Each author submitted feedback on earlier article drafts. All authors read and authorized the completed manuscript.

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Alhussain, H., Elamin, N.Y., Alqarni, L.S. et al. Construction and XRD analysis of La@Co3O4@g-C3N4 nanostructures for removal of Co ions from contaminated water. J Mater Sci: Mater Electron 35, 588 (2024). https://doi.org/10.1007/s10854-024-12326-9

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