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

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Title
Hydrometallurgical Synthesis of pure zincite (ZnO) powder from dead zinc carbon batteries for use in the manufacturing of antimicrobial products
Type
Article
Main Author
Ayinla, Kuranga Ibrahim
Additional Authors
  • Adeboye, Seyi Ebun
  • Salawu, Mufutau Abiodun
  • Mohammed, Asim Abdalla.
  • Baba, Alafara. Abdullahi.
  • Ali, Islamiyat. Oluwatosin.
  • Mualiyu, Abdulmajeed.
  • Tripathy, Bankim Chandra
Subject
TN Mining engineering. Metallurgy
ISSN
2289-7070 / e-ISSN 2462-2451
Language Code
eng
Bibliographic Details
Place of Production
Tanjong Malim
Publisher
UPSI Press
Year of publication
2025
Notes
EDUCATUM JSMT Vol. 12 Number 2 (2025)
Degree Type
Others
Corporate Name
Perpustakaan Tuanku Bainun

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. Keywords: Hydrometallurgy, Kinetics, Metallurgy, Powder Technology, X-ray, Zincite

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