Sustainable Synthesis of Carbon Nanotubes from Potatoes Peel for Oil Spill Remediation
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Main Article Content

Afolabi Adenike Mistura 
Yahaya Mansur Ibrahim 
Jamilu Usman 

Abstract

The environmental challenge posed by oil spills necessitates the development of sustainable remediation strategies. Traditional methods often rely on hazardous chemicals that threaten ecosystems and human health, underscoring the need for alternative solutions. This research aimed to synthesize carbon nanotubes (CNTs) from potato peels using a controlled pyrolysis process and evaluate their potential as eco-friendly adsorbents for crude oil remediation. Potato peels, were carbonized at 300°C. Results revealed that the CNTs exhibited a maximum adsorption capacity of 9538.17 mg/g at 6.0 g dosage, achieving a removal efficiency of 97.997%. FTIR analysis identified functional groups such as hydroxyl (-OH) and carboxyl (-COOH) at the range of 15000 – 25000 cm-1 that enhance adsorption, Potato peels' UV-Vis spectra reveal a π-π* transition in carbon-based materials, and a minimal impurity after 220 nm, indicating high purity of CNTs synthesis and SEM confirmed the formation of a porous CNT network. The CNTs performed optimally at pH 6.8, with 95.14% removal efficiency, and at lower temperatures, with 96.77% removal at 20°C. Optimal adsorption was observed at a contact time of 90 minutes, achieving a crude oil removal efficiency of 95.997%. Analysis using Langmuir, Freundlich and Temkin isotherm models revealed high R² values across all the three models suggesting complex interactions where both monolayer and multilayer formations occur alongside significant intermolecular forces affecting binding energies which demonstrated the potentials of potato peel-derived CNTs as sustainable, cost-effective adsorbents, offering an eco-friendly approach to oil spill remediation Future research should be focused on optimizing the synthesis process, assess long-term environmental impacts, and conduct cost-benefit analyses.

Article Details

Afolabi, A. M., Yahaya, M. I., & Jamilu, U. (2025). Sustainable Synthesis of Carbon Nanotubes from Potatoes Peel for Oil Spill Remediation. African Journal of Environmental Sciences and Renewable Energy, 18(1), 1-29. https://doi.org/10.62154/ajesre.2025.018.010587
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Copyright (c) 2025 Afolabi Adenike Mistura, Yahaya Mansur Ibrahim, Jamilu Usman (Author)

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This work is licensed under a Creative Commons Attribution 4.0 International License.

Afolabi Adenike Mistura, Sokoto State University, Sokoto, Nigeria.

Department of Pure and Industrial Chemistry,

Sokoto State University, Sokoto, Nigeria.

Yahaya Mansur Ibrahim, Sokoto State University, Sokoto, Nigeria.

Department of Pure and Industrial Chemistry,

Sokoto State University, Sokoto, Nigeria.

Jamilu Usman, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.

Interdisciplinary Research Center for Membranes & Water Security,

King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia.

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