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Theoretical Analysis of Periodic Processes of Extraction-Chromatographic Separation in a Closed Cascade of Apparatuses

Theoretical Analysis of Periodic Processes of Extraction-Chromatographic Separation in a Closed... A periodic method of extraction-chromatographic separation of a mixture of components in a closed cascade of mixer–settler extractors was proposed. The processes of extraction separation in a closed cascade operating in the chromatography mode were analyzed. The theoretical foundations of the method were developed, which are necessary for modeling of extraction-chromatographic separation processes; examples of modeling different variants of such processes were given. The proposed separation method can be especially useful in the development of technologies for obtaining pure and special-purity substances, in particular, in the production of rare earth metals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Chemistry Springer Journals

Theoretical Analysis of Periodic Processes of Extraction-Chromatographic Separation in a Closed Cascade of Apparatuses

Doklady Chemistry , Volume 499 (2) – Aug 1, 2021

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Publisher
Springer Journals
Copyright
Copyright © Pleiades Publishing, Ltd. 2021. ISSN 0012-5008, Doklady Chemistry, 2021, Vol. 499, Part 2, pp. 171–175. © Pleiades Publishing, Ltd., 2021. Russian Text © The Author(s), 2021, published in Doklady Rossiiskoi Akademii Nauk. Khimiya, Nauki o Materialakh, 2021, Vol. 499, pp. 53–58.
ISSN
0012-5008
eISSN
1608-3113
DOI
10.1134/s0012500821080012
Publisher site
See Article on Publisher Site

Abstract

A periodic method of extraction-chromatographic separation of a mixture of components in a closed cascade of mixer–settler extractors was proposed. The processes of extraction separation in a closed cascade operating in the chromatography mode were analyzed. The theoretical foundations of the method were developed, which are necessary for modeling of extraction-chromatographic separation processes; examples of modeling different variants of such processes were given. The proposed separation method can be especially useful in the development of technologies for obtaining pure and special-purity substances, in particular, in the production of rare earth metals.

Journal

Doklady ChemistrySpringer Journals

Published: Aug 1, 2021

Keywords: hybrid processes; liquid–liquid extraction; recirculation liquid–liquid chromatography

References