Treatment of Wastewater by Anodic Oxidation Using SnO2 Rotating Cylinder Electrode
DOI:
https://doi.org/10.22153/kej.2026.11.001Keywords:
Anodic oxidation; Electrodeposition; Rotating cylinder electrode; Cu/SnO₂-Sb₂O₅; Methylene blueAbstract
Tin oxide is a promising anode for the oxidation of refractory organic compounds, with advantages of low cost and absence of secondary pollutants. In this study, a Cu/SnO2-Sb2O5 anode was fabricated by cathodic deposition in a rotating system. The effect of electrode rotation speed on the structural properties of the synthesised anode (Cu/SnO2-Sb2O5) was investigated in the range of 50–250 rpm. The structure and morphology of the prepared anode were examined via SEM and XRD. Results showed that the Cu/SnO2-Sb2O5 anode prepared at 250 rpm possessed a compact, multi-layer coating structure without cracks. The electrochemical performance of the Cu/SnO2-Sb2O5 anode was studied by examining its activity in degrading methylene blue (MB) at a concentration of 100 mg/L by anodic oxidation at 20 mA/cm2 for 4 h. The anode prepared at 250 rpm was able to degrade MB with an efficiency of 93.6%, which was higher than that obtained by the anode prepared at 50 rpm (85.18%). The pseudo-first-order rate constant at 250 rpm was 0.01258 min-1, which was 1.6 higher than that observed for the anode prepared at 50 rpm, confirming the importance of rotation in improving mass transfer and facilitating the deposition of tin oxide with high catalytic activity. The Cu/SnO2-Sb2O5 anode fabricated at 250 rpm exhibited an enhanced service life of 18 h (200 mA/cm2; 0.5 M NaOH), whereas that prepared at 50 rpm had a reduced service life of 12 h. Compared with the Cu/SnO2-Sb2O5 anode prepared by thermal decomposition, the present anode exhibited a service life of 1.5 times greater than that of the thermal method, confirming the efficacy of the electrodeposition approach in fabricating the Cu/SnO2-Sb2O5 anode.
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[1] M. M. Jiad and A. H. Abbar, “Treatment of petroleum refinery wastewater by an innovative electro-Fenton system: Performance and specific energy consumption evaluation,” Case Studies in Chemical and Environmental Engineering, vol. 8. 2023. https://doi.org/10.1016/j.cscee.2023.100431
[2] M. M. Jiad and A. H. Abbar, “Treatment of petroleum refinery wastewater by electrofenton process using a low cost porous graphite air-diffusion cathode with a novel design,” Chem. Eng. Res. Des., vol. 193, no. March, pp. 207–221, 2023. https://doi.org/10.1016/j.cherd.2023.03.021
[3] F. C. Moreira, R. A. Boaventura, E. Brillas, & V. J. Vilar, “Electrochemical advanced oxidation processes: a review on their application to synthetic and real wastewaters” Applied Catalysis B: Environmental, 202, pp. 217-261, 2017. https://doi.org/10.1016/j.apcatb.2016.08.037
[4] M. A. Frigulio, A. S. Valério, & J. C. Forti, “ An overview of electrochemical advanced oxidation processes for pesticide removal,” Processes, 13(7), 2227, 2025. https://doi.org/10.3390/pr13072227
[5] Chai, Y. Wang, Y. nan Zhang, H. Zhao, M. Liu, and G. Zhao, “Construction of a bifunctional electrode interface for efficient electrochemical mineralization of recalcitrant pollutants,” Applied Catalysis B: Environmental, vol. 237. pp. 473–481, 2018.
https://doi.org/10.1016/j.apcatb.2018.06.023
[6] P. V. Nidheesh, M. Zhou, and M. A. Oturan, “An overview on the removal of synthetic dyes from water by electrochemical advanced oxidation processes,” Chemosphere, vol. 197, pp. 210–227, 2018.
https://doi.org/10.1016/j.chemosphere.2017.12.195
[7] Y. Sun, S. Cheng, L. Li, Z. Yu, Z. Mao, and H. Huang, “Facile sealing treatment with stannous citrate complex to enhance performance of electrodeposited Ti/SnO2–Sb electrode,” Chemosphere, vol. 255, p. 126973, 2020. https://doi.org/10.1016/j.chemosphere.2020.126973
[8] Y. Sun, S. Cheng, Z. Mao, Z. Lin, X. Ren, and Z. Yu, “High electrochemical activity of a Ti/SnO2–Sb electrode electrodeposited using deep eutectic solvent,” Chemosphere, vol. 239, p. 124715, 2020. https://doi.org/10.1016/j.chemosphere.2019.124715
[9] B. Zhang, M. Chen, C. Zhang, and H. He, “Electrochemical oxidation of gaseous benzene on a Sb-SnO2/foam Ti nano-coating electrode in all-solid cell,” Chemosphere, vol. 217, pp. 780–789, 2019. https://doi.org/10.1016/j.chemosphere.2018.10.222
[10] H. M. Al-Tameemi, K. A. Sukkar, and A. H. Abbar, “Electrochemical preparation and characterization of a new configuration SnO2 anode and its application for treating petroleum refinery wastewater,” Results in Engineering, vol. 22. 2024. doi: 10.1016/j.rineng.2024.102147.
[11] Y. Duan, Q. Wen, Y. Chen, T. Duan, and Y. Zhou, “Preparation and characterization of TiN-doped Ti/SnO2-Sb electrode by dip coating for Orange II decolorization,” Applied Surface Science, vol. 320. pp. 746–755, 2014. https://doi.org/10.1016/j.apsusc.2014.09.182
[12] F. Cao, J. Tan, S. Zhang, H. Wang, C.Yao, & Y. Li, “Preparation and Recent Developments of Ti/SnO2‐Sb Electrodes,” Journal of Chemistry, 2021(1), 2107939, 2021. https://doi.org/10.1155/2021/2107939
[13] B. Yang et al., “Electrochemical mineralization of perfluorooctane sulfonate by novel F and Sb co-doped Ti/SnO2 electrode containing Sn-Sb interlayer,” Chem. Eng. J., vol. 316, pp. 296–304, 2017. https://doi.org/10.1016/j.cej.2017.01.105
[14] X. Li, H. Xu, W. Yan, and D. Shao, “Electrocatalytic degradation of aniline by Ti/Sb–SnO2, Ti/Sb–SnO2/Pb3O4 and Ti/Sb–SnO2/PbO2 anodes in different electrolytes,” J. Electroanal. Chem., vol. 775, pp. 43–51, 2016. https://doi.org/10.1016/j.jelechem.2016.05.033
[15] Q. Bi, Y. Sun, B. Yang, Y. Zhao, Z. Zhang, and J. Xue, “Preparation of an ultra-long-life porous bilayer Ti/Sb-SnO2 electrode modified by nano-TiC for degradation of phenol,” Mater. Today Commun., vol. 35, p. 106307, 2023. https://doi.org/10.1016/j.mtcomm.2023.106307
[16] C. Zhou, Y. Wang, J. Chen, L. Xu, H. Huang, and J. Niu, “High-efficiency electrochemical degradation of antiviral drug abacavir using a penetration flux porous Ti/SnO2–Sb anode,” Chemosphere, vol. 225, pp. 304–310, 2019. https://doi.org/10.1016/j.chemosphere.2019.03.036
[17] K. Yang, Y. Liu, and J. Qiao, “Electrodeposition preparation of Ce-doped Ti/SnO2-Sb electrodes by using selected addition agents for efficient electrocatalytic oxidation of methylene blue in water,” Sep. Purif. Technol., vol. 189, pp. 459–466, 2017. https://doi.org/10.1016/j.seppur.2017.08.036
[18] S. T. Chang, I. C. Leu, and M. H. Hon, “Preparation and characterization of nanostructured tin oxide films by electrochemical deposition,” Electrochem. Solid-State Lett., vol. 5, no. 8, pp. 71–74, 2002, doi: 10.1149/1.1485808.
[19] S. T. Chang, I.-C. Leu, C. L. Liao, J.-H. Yen, and M.-H. Hon, “Electrochemical behaviour of nanocrystalline tin oxide electrodeposited on a Cu substrate for Li-ion batteries,” J. Mater. Chem., vol. 14, no. 12, pp. 1821–1826, 2004. https://doi.org/10.1039/B316459D
[20] X. Chen, J. Liang, Z. Zhou, H. Duan, B. Li, and Q. Yang, “The preparation of SnO2 film by electrodeposition,” Materials Research Bulletin, vol. 45, no. 12. pp. 2006–2011, 2010. https://doi.org/10.1016/j.materresbull.2010.07.029
[21] D. V. Raj, N. Ponpandian, D. Mangalaraj, and C. Viswanathan, “Electrodeposition of Macroporous SnO2 Thin Films and Its Electrochemical Applications,” Mater. Focus, vol. 4, no. 3, pp. 245–251, 2015. https://doi.org/10.1166/mat.2015.1252
[22] J. P. Fornés and J. M. Bisang, “Electrochemical production of colloidal sulphur by oxidation of sulphide ion at lead coated-2- and -3-dimensional rotating cylinder anode surfaces,” Electrochim. Acta, vol. 243, pp. 90–97, 2017. https://doi.org/10.1016/j.electacta.2017.05.050
[23] A. H. Abbar, R. H. Salman, and A. S. Abbas, “Studies of mass transfer at a spiral-wound woven wire mesh rotating cylinder electrode,” Chemical Engineering and Processing - Process Intensification, vol. 127. pp. 10–16, 2018. https://doi.org/10.1016/j.cep.2018.03.013
[24] C. T. J. Low, C. P. De Leon, and F. C. Walsh, “The Rotating Cylinder Electrode (RCE) and its application to the electrodeposition of metals,” Aust. J. Chem., vol. 58, no. 4, pp. 246–262, 2005. https://doi.org/10.1002/chin.200528220
[25] J. R.Hernandez-Tapia, , J.Vazquez-Arenas & I. González, “Electrochemical reactor with rotating cylinder electrode for optimum electrochemical recovery of nickel from plating rinsing effluents. Journal of hazardous materials, 262, pp.709-716, 2013. https://doi.org/10.1016/j.jhazmat.2013.09.029
[26] Q. J., Slaiman, C. K., Haweel, & S. A. Mohammed, “Electrochemical removal of copper from synthetic wastewater using rotating cylinder electrode,” Iraqi Journal of Chemical and Petroleum Engineering, 16(1), pp. 13-20, 2015. https://doi.org/10.31699/IJCPE.2015.1.2
[27] L. Wu, S. Garg, & T. D. Waite, “Progress and challenges in the use of electrochemical oxidation and reduction processes for heavy metals removal and recovery from wastewaters,” Journal of Hazardous Materials, 479, 135581, 2024. https://doi.org/10.1016/j.jhazmat.2024.135581
[28] A. S. Abbas, M. H. Hafiz, and R. H. Salman, “Indirect electrochemical oxidation of phenol using rotating cylinder reactor,” Iraqi J. Chem. Pet. Eng., vol. 17, no. 4, pp. 43–55, 2016. https://doi.org/10.31699/IJCPE.2016.4.5
[29] Y. A. Ahmed, R. H. Salman, and F. Kandemirli, “Anodic and Cathodic preparation of MnO2/Co2O3 Composite Electrode Anodes for Electro-Oxidation of Phenol,” Iraqi J. Chem. Pet. Eng., vol. 24, no. 4, pp. 115–125, 2023. https://doi.org/10.31699/IJCPE.2023.4.12
[30] R. H. Salman, M. H. Hafiz, and A. S. Abbas, “Preparation and characterization of graphite substrate manganese dioxide electrode for indirect electrochemical removal of phenol,” Russ. J. Electrochem., vol. 55, pp. 407–418, 2019. https://doi.org/10.1134/S1023193519050124
[31] C. W. Wu, C. C. Lin, T. S. Chin, J. Y. Chang, and C. K. Sung, “Effects of cathode rotation and substrate materials on electrodeposited CoMnP thick films,” Materials Research Express, vol. 8, no. 1. 2021. doi: 10.1088/2053-1591/abdcfb.
[32] M. Shestakova, P. Bonete, R. Gómez, M. Sillanpää, and W. Z. Tang, “Novel Ti/Ta2O5-SnO2 electrodes for water electrolysis and electrocatalytic oxidation of organics,” Electrochim. Acta, vol. 120, pp. 302–307, 2014. https://doi.org/10.1016/j.electacta.2013.12.113
[33] Z. Hu, C. Guo, P. Wang, R. Guo, X. Liu, and Y. Tian, “Electrochemical degradation of methylene blue by Pb modified porous SnO2 anode,” Chemosphere, vol. 305, p. 135447, 2022. https://doi.org/10.1016/j.chemosphere.2022.135447
[34] E. Alver, A. Ü. Metin, and F. Brouers, “Methylene blue adsorption on magnetic alginate/rice husk bio-composite,” Int. J. Biol. Macromol., vol. 154, pp. 104–113, 2020. https://doi.org/10.1016/j.ijbiomac.2020.02.330
[35] D. Shao, X. Li, H. Xu, and W. Yan, “An improved stable Ti/Sb–SnO2 electrode with high performance in electrochemical oxidation processes,” RSC Adv., vol. 4, no. 41, pp. 21230–21237, 2014. https://doi.org/10.1039/C4RA01990C
[36] B. Adams, M. Tian, and A. Chen, “Design and electrochemical study of SnO2-based mixed oxide electrodes,” Electrochimica Acta, vol. 54, no. 5. pp. 1491–1498, 2009. https://doi.org/10.1016/j.electacta.2008.09.034.
[37] H. Kazimierczak, Z. Świątek, and P. Ozga, “Electrodeposition of tin-zinc-bismuth alloys from aqueous citrate-EDTA baths,” Electrochimica Acta, vol. 338. 2020. https://doi.org/10.1016/j.electacta.2020.135889.
[38] D. Padhi et al., “Electrodeposition of copper-tin alloy thin films for microelectronic applications,” Electrochim. Acta, vol. 48, no. 8, pp. 935–943, 2003. https://doi.org/10.1016/S0013-4686(02)00774-0
[39] T. Duan, Y. Chen, Q. Wen, and Y. Duan, “Novel composition graded Ti/Ru-Sb-SnO2 electrode synthesized by selective electrodeposition and its application for electrocatalytic decolorization of dyes,” J. Phys. Chem. C, vol. 119, no. 14, pp. 7780–7790, 2015. https://doi.org/10.1021/acs.jpcc.5b00323
[40] A. Mindil, S. H. Mohamed, N. Amri, and M. Rabia, “Morphological and optical characterizations of Sb2O5 nanorods as new photoelectrode for hydrogen generation,” Phys. Scr., vol. 98, no. 10, 2023, doi: 10.1088/1402-4896/acf351.
[41] T. Duan, Q. Wen, Y. Chen, Y. Zhou, and Y. Duan, “Enhancing electrocatalytic performance of Sb-doped SnO2 electrode by compositing nitrogen-doped graphene nanosheets,” Journal of Hazardous Materials, vol. 280. pp. 304–314, 2014. https://doi.org/10.1016/j.jhazmat.2014.08.018.
[42] T. Duan, Y. Chen, Q. Wen, and Y. Duan, “Enhanced electrocatalytic activity of nano-TiN composited Ti/Sb–SnO2 electrode fabricated by pulse electrodeposition for methylene blue decolorization,” Rsc Adv., vol. 4, no. 101, pp. 57463–57475, 2014. https://doi.org/10.1039/C4RA09145K
[43] H. yang Ding, Y. jie Feng, and J. feng Liu, “Preparation and properties of Ti/SnO2-Sb2O5 electrodes by electrodeposition,” Mater. Lett., vol. 61, no. 27, pp. 4920–4923, 2007. https://doi.org/10.1016/j.matlet.2007.03.073.
[44] X. Li, C. Shao, J. Yu, and K. Zhu, “Preparation and investigation of nickel-antimony co-doped tin oxide anodes for electro-catalytic oxidation of organic pollutions,” Int. J. Electrochem. Sci., vol. 14, no. 1, pp. 205–218, 2019. https://doi.org/10.20964/2019.01.23.
[45] R. Berenguer, J. M. Sieben, C. Quijada, and E. Morallón, “Pt- and Ru-doped SnO2-Sb anodes with high stability in alkaline medium,” ACS Applied Materials and Interfaces, vol. 6, no. 24. pp. 22778–22789, 2014. https://doi.org/10.1021/am506958k.
[46] Y. Chen et al., “Preparation and characterization of TiO2-NTs/SnO2-Sb electrodes by electrodeposition,” J. Electroanal. Chem., vol. 648, no. 2, pp. 119–127, 2010. https://doi.org/10.1016/j.jelechem.2010.08.004
[47] C. Shao, A. Chen, B. Yan, Q. Shao, and K. Zhu, “Improvement of electrochemical performance of tin dioxide electrodes through manganese and antimony co-doping,” J. Electroanal. Chem., vol. 778, pp. 7–11, 2016. https://doi.org/10.1016/j.jelechem.2016.08.003
[48] Q. Zhuo, S. Deng, B. Yang, J. Huang, and G. Yu, “Efficient electrochemical oxidation of perfluorooctanoate using a Ti/SnO2-Sb-Bi anode,” Environ. Sci. Technol., vol. 45, no. 7, pp. 2973–2979, 2011. https://doi.org/10.1021/es1024542
[49] H. Y. Ding, Y. J. Feng, and J. W. Lu, “Study on the service life and deactivation mechanism of Ti/SnO2-Sb electrode by physical and electrochemical methods,” Russian Journal of Electrochemistry, vol. 46, no. 1. pp. 72–76, 2010. https://doi.org/10.1134/S1023193510010088
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