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Title: Sorption of calcium ions by modified montmorillonite
Authors: Yurchenko, V. V.
Nikiforov, A. F.
Semenishchev, V. S.
Shabunin, A. F.
Sviridov, A. V.
Nikiforov, S. V.
Issue Date: 2019
Publisher: American Institute of Physics Inc.
Citation: Sorption of calcium ions by modified montmorillonite / V. V. Yurchenko, A. F. Nikiforov, V. S. Semenishchev [et al.] // AIP Conference Proceedings. – 2019. – Vol. 2174. – № 20074.
Abstract: Modified sorbents based on montmorillonite hydrosols were obtained. Sorption of calcium from various solutions was studied. The effect of pH and concentration of an alkaline agent on calcium sorption was determined. As opposed to using NaOH as the alkaline agent, the use of Na2CO3 resulted in formation of less stable colloidal particles in the solution and, therefore, the process of calcium separation occurred more intensively. Sorption of calcium ions increased with the increasing pH value and dosage of the montmorillonite hydrosol. Thus, the modified montmorillonite can be used for separation of calcium ions from aqueous solutions with simultaneous elimination of a suspended matter. © 2019 Author(s).
DOI: 10.1063/1.5134225
SCOPUS: 2-s2.0-85076604149
WoS: WOS:000618895900074
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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