Hydrometallurgical Synthesis of pure zincite (ZnO) powder from dead zinc carbon batteries for use in the manufacturing of antimicrobial products

Authors

  • Ibrahim Kuranga Ayinla Department of Industrial Chemistry, University of Ilorin, P.M.B. 1515, Ilorin-240003, Nigeria
  • Seyi Ebun Adeboye Biotechnology Department, National Biotechnology Development Agency, Abuja, Nigeria
  • Mufutau Abiodun Salawu Department of Physics. University of Ilorin, Ilorin, Nigeria
  • Asim Abdallah Mohammed Physics Department, Faculty of Education, University of Zalingei, Sudan
  • Abdullahi Alafara Baba Department of Industrial Chemistry, University of Ilorin, P.M.B. 1515, Ilorin-240003, Nigeria
  • Islamiya Oluwatosin Ali Department of Industrial Chemistry, University of Ilorin, P.M.B. 1515, Ilorin-240003, Nigeria
  • Abdulmajeed Mualiyu Department of Industrial Chemistry, University of Ilorin, P.M.B. 1515, Ilorin-240003, Nigeria
  • Bankim Chandra Tripathy CSIR - Institute of Minerals and Materials Technology, Bhubaneswar-751013, India

DOI:

https://doi.org/10.37134/ejsmt.vol12.2.3.2025

Keywords:

Hydrometallurgy, Kinetics, Metallurgy, Powder Technology, X-ray, Zincite

Abstract

The conversion of waste materials in our environment into useable chemical products is a popular issue these days. Here, we report on the production of zincite powder using a very simple hydrometallurgical method. Within two hours, 92.23% of the original 10 g/L SZCB reacted at ideal leaching conditions (2.5 mol/L HCl, 80°C). The result predicted the diffusion model as rate determining step, with calculated Ea of 28.53 kJ/mol. The precipitated hydroxide was calcined to produce pure zincite powder of yield 85.2%. Analyses using X-ray diffraction (XRD) and scanning electron microscopy (SEM) revealed that the high purity ZnO existed as a flower-like spherical aggregation and antimicrobial testing was later carried out to be reported in part B of the research.

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Author Biography

  • Ibrahim Kuranga Ayinla, Department of Industrial Chemistry, University of Ilorin, P.M.B. 1515, Ilorin-240003, Nigeria

    Biotechnology Department, National Biotechnology Development Agency, Abuja, Nigeria

References

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Published

2025-10-23

Issue

Vol. 12 No. 2 (2025): EDUCATUM Journal of Science, Mathematics and Technology (EJSMT)

Section

Articles

License

Copyright (c) 2025 Ibrahim Kuranga Ayinla, SEYI EBUN ADEBOYE, Asim Abdallah Mohammed, Mufutau Abiodun, Abdullahi Alafara, Islamiya Oluwatosin, Abdulmajeed Mualiyu, Bankim Chandra Tripathy

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

How to Cite

Ayinla, I. K., Adeboye, S. E., Salawu, M. A., Mohammed, A. A., Baba, A. A., Ali, I. O., Mualiyu, A., & Tripathy, B. C. (2025). Hydrometallurgical Synthesis of pure zincite (ZnO) powder from dead zinc carbon batteries for use in the manufacturing of antimicrobial products. EDUCATUM Journal of Science, Mathematics and Technology, 12(2), 36-42. https://doi.org/10.37134/ejsmt.vol12.2.3.2025