Photocatalytic Reduction of Cr(VI) and Pb(II) with Biogenically Synthesized Copper Oxide Nanoparticles Using an Extract of the Myriophyllum spicatum Plant
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Myriophyllum spicatum Leaf Extract’s Preparation
2.3. Biogenic Synthesis of CuO Nanoparticles
2.4. Characterization of the Prepared CuO Nanoparticles
2.5. Photocatalytic Reduction of Cr(VI) and Pb(II) in Water
3. Results and Discussion
3.1. X-ray Diffraction (XRD) Studies
3.2. Fourier Transform Infrared (FT-IR) Spectroscopy
3.3. Morphological Studies
3.4. Photocatalyst Reduction of Cr(VI) to Cr(III) and Pb(II) to Pb(0)
3.5. The Effects of Solution pH on the Cr(VI) and Pb(II) Reduction
3.6. Effect of Catalyst Dosage on the Metal Reduction Process
3.7. Effect of the Concentration of Metals on Their Reduction Process
3.8. Mechanism of the Biogenic CuO Photocatalytic Process in the Reduction of Cr(VI) and Pb(II)
3.9. Reusability of the Copper Oxide Nanoparticles on Cr(VI)
Photocatalysts | Pollutant Treated | % Reduction | References |
---|---|---|---|
Biogenic CuO nanoparticles | Cr(VI) | 89.2 | This study |
CuO-Kaolin | Cr(VI) in electroplating wastewater | 79.6% | [80] |
Cupriavidus basilensis CuO | Cr(VI) | 44.7% | [81] |
CuO-ceramic ultrafiltration membrane | Cr(VI) | 88.08% | [82] |
Doped CuO | Cr(VI) | 72% | [83] |
Undoped CuO | Cr(VI) | 56% | [83] |
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Oyewo, O.A.; Makgato, S.S. Photocatalytic Reduction of Cr(VI) and Pb(II) with Biogenically Synthesized Copper Oxide Nanoparticles Using an Extract of the Myriophyllum spicatum Plant. J 2023, 6, 564-578. https://doi.org/10.3390/j6040037
Oyewo OA, Makgato SS. Photocatalytic Reduction of Cr(VI) and Pb(II) with Biogenically Synthesized Copper Oxide Nanoparticles Using an Extract of the Myriophyllum spicatum Plant. J. 2023; 6(4):564-578. https://doi.org/10.3390/j6040037
Chicago/Turabian StyleOyewo, Opeyemi A., and Seshibe S. Makgato. 2023. "Photocatalytic Reduction of Cr(VI) and Pb(II) with Biogenically Synthesized Copper Oxide Nanoparticles Using an Extract of the Myriophyllum spicatum Plant" J 6, no. 4: 564-578. https://doi.org/10.3390/j6040037