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Volume 14
Issue 6
10.3390/met14060699
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Article

Harnessing Microwave Technology for Enhanced Recovery of Zinc from Industrial Clinker

by
Bagdaulet Kenzhaliyev
,
Tatiana Surkova
,
Ainur Berkinbayeva
,
Zhazira Baltabekova
and
Kenzhegali Smailov
*
The Institute of Metallurgy and Ore Beneficiation, Satbayev University, Almaty 050013, Kazakhstan
*
Author to whom correspondence should be addressed.
Metals 2024, 14(6), 699; https://doi.org/10.3390/met14060699
Submission received: 1 April 2024 / Revised: 4 June 2024 / Accepted: 6 June 2024 / Published: 13 June 2024
(This article belongs to the Special Issue Comprehensive Utilization of Metallurgical Resources and Environmental Protection)
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Abstract

This article presents a cutting-edge approach to microwave-assisted processing aimed at enhancing the efficiency of zinc extraction from materials characterized by a high degree of processing complexity. The described technique encompasses two sequential phases: phase transformation under microwave irradiation and leaching in sulfuric acid at ambient temperature. During the phase transformation, implemented through the application of microwave energy, insoluble zinc phases undergo a controlled transition. The experimental results confirm that microwave calcination at 600 °C for 5–7 min is effective for converting ZnS to ZnO without the formation of ZnO∙Fe2O3. Zinc extraction from the clinker reached 46.47% after treatment with microwave radiation at a power of 25 kW for the specified duration. Thus, this study opens up prospects for environmentally friendly zinc extraction from challenging-to-process resources.
Keywords: zinc; clinker; microwave roasting; phase transformation; leaching zinc; clinker; microwave roasting; phase transformation; leaching

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MDPI and ACS Style

Kenzhaliyev, B.; Surkova, T.; Berkinbayeva, A.; Baltabekova, Z.; Smailov, K. Harnessing Microwave Technology for Enhanced Recovery of Zinc from Industrial Clinker. Metals 2024, 14, 699. https://doi.org/10.3390/met14060699

AMA Style

Kenzhaliyev B, Surkova T, Berkinbayeva A, Baltabekova Z, Smailov K. Harnessing Microwave Technology for Enhanced Recovery of Zinc from Industrial Clinker. Metals. 2024; 14(6):699. https://doi.org/10.3390/met14060699

Chicago/Turabian Style

Kenzhaliyev, Bagdaulet, Tatiana Surkova, Ainur Berkinbayeva, Zhazira Baltabekova, and Kenzhegali Smailov. 2024. "Harnessing Microwave Technology for Enhanced Recovery of Zinc from Industrial Clinker" Metals 14, no. 6: 699. https://doi.org/10.3390/met14060699

APA Style

Kenzhaliyev, B., Surkova, T., Berkinbayeva, A., Baltabekova, Z., & Smailov, K. (2024). Harnessing Microwave Technology for Enhanced Recovery of Zinc from Industrial Clinker. Metals, 14(6), 699. https://doi.org/10.3390/met14060699

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