Innovative Methods for Intensifying the Processing of Zinc Clinker: Synergy of Microwave Treatment and Ultrasonic Leaching
Kenzhaliyev B. Surkova T. Berkinbayeva A. Baltabekova Z. Smailov K. Abikak Y. Saulebekkyzy S. Tolegenova N. Omirbek T. Dosymbaeva Z.
March 2025Multidisciplinary Digital Publishing Institute (MDPI)
Metals
2025#15Issue 3
This study presents an innovative approach to processing refractory zinc-bearing clinker through the synergistic application of microwave thermal treatment and ultrasonic-assisted leaching. Microwave irradiation induces phase transformations in the clinker, improving its reactivity and facilitating subsequent zinc dissolution, while ultrasonic cavitation enhances mass transfer by disrupting passivation layers. Key process parameters, including acid concentration, temperature, pulp density, and leaching time, were systematically investigated using response surface methodology (RSM) and central composite design (CCD). The results demonstrate that the optimized process conditions led to a significant increase in zinc recovery from refractory materials.
clinker , leaching , microwave roasting , phase transformation , ultrasonic , zinc
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The Institute of Metallurgy and Ore Beneficiation, Satbayev University, Almaty, 050013, Kazakhstan
The Institute of Metallurgy and Ore Beneficiation
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