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

Ayinla, Kuranga Ibrahim

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Type :	Article
Subject :	TN Mining engineering. Metallurgy
ISSN :	2289-7070 / e-ISSN 2462-2451
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
Title :	Hydrometallurgical Synthesis of pure zincite (ZnO) powder from dead zinc carbon batteries for use in the manufacturing of antimicrobial products
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Place of Production :	Tanjong Malim
Publisher :	UPSI Press
Year of Publication :	2025
Notes :	EDUCATUM JSMT Vol. 12 Number 2 (2025)
Corporate Name :	Perpustakaan Tuanku Bainun
PDF Full Text :	You have no permission to view this item.

Abstract : Perpustakaan Tuanku Bainun

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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