Using Electroplating Sludge and Rice Husk Biochar for the Photocatalytic Degradation of Phenols in Aqueous Environment
Main Article Content
Abstract
In this study, electroplating sludge and rice husk were utilized for the synthesis of photocatalytic material for the degradation of phenols in aqueous environment. The characterization of the synthesized material was evaluated using EDX, SEM, and FTIR. The results indicated the presence of C, O, and other elements such as Ca, Si, Ni, Zn, Cu, Al, and Fe along with the porous structure of the biochar, which contributed to the removal of phenols. The influence of various parameters, including pH (3-10) and catalyst dosage (0.8 - 2 mg/L), was investigated. The results showed that after 240 mins of reaction, a degradation effectiveness of 54% was achieved for a phenol concentration of 20 ppm with the catalytic dosage of 1.5 mg/L under UVC irradiation. This study offers a flexible and scalable framework for the reuse of electroplating sludge in an environmentally friendly manner. By repurposing the treated waste as catalyst for phenol breakdown, the simple technique offers broad adoption while improving sustainability and resource efficiency.
References
D. Da’na, H. Qiblawey, Effective Removal of Phenol from Wastewater Using a Hybrid Process of Graphene Oxide Adsorption and UV-irradiation, Environmental Technology & Innovation, Vol. 27, 2022, pp. 102525, https://doi.org/10.1016/j.eti.2022.102525.
[2] M. Fatima, B. Li, M. R. Al Shehhi, X. Feng,
K. Wang, Treatment of Phenolic-wastewater by Hybrid Technologies: A Review, Journal of Water Process Engineering, Vol. 57, 2024, pp. 104695, https://doi.org/10.1016/j.jwpe.2023.104695.
[3] K. G. Pavithra, P. S. Rajan, J. Arun,
K. Brindhadevi, Q. H. Le, A. Pugazhendhi, A Review on Recent Advancements in Extraction, Removal and Recovery of Phenols from Phenolic Wastewater: Challenges and Future Outlook, Environmental Research, Vol. 237, Part 2, 2023, pp. 117005, https://doi.org/10.1016/j.envres.2023.117005.
[4] M. Seloglu, R. Orhan, V. Selen, G. Dursun, Analysis of Photocatalytic Degradation of Phenol by Zinc Oxide Using Response Surface Methodology, Chemistry Open, Vol. 13, 2024,
pp. e202300238, https://doi.org/10.1002/open.202300238.
[5] D. V. Hien, H. M. Trang, N. T. Mai, D. V. Thanh, N. M. Dung, T. T. Huong, N. M. Khai, T. T. M. Hang, Recycling Electroplating Sludge as an Efficient Photocatalyst for Degradation of Ciprofloxacin in Aqueous Solution, Journal of the Air & Waste Management Association, Vol. 75, No. 3, 2025, pp. 252-265, https://doi:10.1080/10962247.2024.2446361.
[6] M. N. Deyala, M. B. Nahla, Phenol Removal from Wastewater Using Waste Products, Journal of Environmental Chemical Engineering, Vol. 8,
No. 1, 2020, pp. 103592, https://doi.org/10.1016/j.jece.2019.103592.
[7] B. Abeer, H. Mohammad, A. Arwa,
T. Muhammad, A. Amani, Efficient Removal of Phenol Compounds from Water Environment Using Ziziphus Leaves Adsorbent, Science of the Total Environment, Vol. 761, 2021, pp. 143229, https://doi.org/10.1016/j.scitotenv.2020.143229.
[8] S. Galeas, S. V. Ramírez, P. I. Pontón, V. H. Guerrero, V. Goetz, Photocatalytic Degradation of Phenol under Visible Light Irradiation by Using Ferrous Oxalate Synthesized from Iron-rich Mineral Sands via a Green Hydrothermal Route, Environmental Technology & Innovation, Vol. 32, 2023, pp. 103325, https://doi.org/10.1016/j.eti.2023.103325.
[9] M. Norouzi, A. Fazeli, O. Tavakoli, Photocatalytic Degradation of Phenol under Visible Light Using Electrospun Ag/TiO2 as a 2D Nano-Powder: Optimizing Calcination Temperature and Promoter Content, Advanced Powder Technology, Vol. 33, No. 11, 2022, pp. 103792, https://doi.org/10.1016/j.apt.2022.103792.