Sorption Properties of Ultrasound-Activated Bentonites of Cherkasy and Ilnytskyi Deposits

Abstract:

The object of the study was the Ukrainian bentonite clays of the Cherkasy deposit (layer II of the Dashukivska area) and the Ilnytske deposit of the Transcarpathian region. Enrichment of clays with montmorillonite was carried out by the method of sedimentation of the coarsely dispersed phase. The natural type of montmorillonite and the nature of isomorphic substitutions in its structure were confirmed by X-ray diffractometric and complex thermal analyses. Activation of bentonite clay enriched with montmorillonite was carried out by the action of ultrasonic waves. The sorption capacity of activated and montmorillonite-enriched clays with respect to Cu²⁺ ions was assessed by the results of energy dispersive X-ray analysis. The ion exchange mechanism of sorption of Cu²⁺ ions was confirmed by the data of diffractometric X-ray analysis. The prospects for the use of enriched bentonite clays activated by ultrasonic waves are outlined.

• Periodical: Advances in Science and Technology (Volume 162)
• Pages: 13-20
• DOI: https://doi.org/10.4028/p-x0whLF
• Online since: April 2025
• Authors: Viktoria Kochubei*, Yaroslava Yaremchuk, Myroslav Malovanyy, Nataliia Buhaichuk
• Keywords: Bentonite Clays, Montmorillonite, Sorption, Thermal Analysis, Ultrasound, X-Ray Phase Analysis

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