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Kinetic and diffusion parameters of sorption of Co2+ ions by sorbent based on industrial waste
- Authors: Yarusova S.B.1,2, Gordienko P.S.1, Ivanov V.V.3, Zarubina N.V.3, Nekhludova E.A.1,2, Ivanenko N.V.2, Zhevtun I.G.1
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Affiliations:
- Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences
- Vladivostok State University
- Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences
- Issue: Vol 99, No 5 (2025)
- Pages: 718-724
- Section: CHEMICAL KINETICS AND CATALYSIS
- Submitted: 02.09.2025
- Published: 15.12.2025
- URL: https://journals.rcsi.science/0044-4537/article/view/307547
- DOI: https://doi.org/10.31857/S0044453725050051
- EDN: https://elibrary.ru/hewthw
- ID: 307547
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Abstract
Kinetic and diffusionparameters of sorption of Co2+ions under static conditions fromaqueous solutions of cobalt chloride without salt background by asorbent based on industrial waste (borogypsum) obtained by their autoclavetreatment are studied. Kinetic curves of sorption of Co2+ions at temperatures from 20, 40, and 60°C areobtained and analyzed by chemical kinetics models. Thermodynamic parameters suchas the standard enthalpy (ΔH°), standard entropy (ΔS°), and standard free energy (ΔG°) are calculated. The diffusion coefficients of Co2+ionsin selected temperature modes are determined.
About the authors
S. B. Yarusova
Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences; Vladivostok State University
Email: yarusova_10@mail.ru
Vladivostok, 690022 Russia; Vladivostok, 690014 Russia
P. S. Gordienko
Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences
Email: yarusova_10@mail.ru
Vladivostok, 690022 Russia
V. V. Ivanov
Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences
Email: yarusova_10@mail.ru
Vladivostok, 690022 Russia
N. V. Zarubina
Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences
Email: yarusova_10@mail.ru
Vladivostok, 690022 Russia
E. A. Nekhludova
Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences; Vladivostok State University
Email: yarusova_10@mail.ru
Vladivostok, 690022 Russia; Vladivostok, 690014 Russia
N. V. Ivanenko
Vladivostok State University
Email: yarusova_10@mail.ru
Vladivostok, 690014 Russia
I. G. Zhevtun
Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences
Author for correspondence.
Email: yarusova_10@mail.ru
Vladivostok, 690022 Russia
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