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Thermodynamics of Sorption Processes in Sorbents Based on Pectic Polysaccharides

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Fibre Chemistry Aims and scope

The sorption mechanism of cadmium ions is studied using isolated fractions of microgel and pectic substances from pomelo albedo, beet pulp, and sunflower calathides. The sorption capacity of pectic polysaccharides, degree of sorbent affinity for the sorbate, and their binding strength are evaluated. The sorption process is found to obey the Langmuir equation. The thermodynamic parameters of the sorption processes at temperatures from 298.15 to 318.15 K are evaluated. The sorption process is found to have an exothermic mixed character.

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Authors and Affiliations

  1. MEZON LLC, Dubna, Moscow Region, Russia

    D. A. Slobodova, R. M. Gorshkova & P. P. Gladyshev

Authors
  1. D. A. Slobodova
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  2. R. M. Gorshkova
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  3. P. P. Gladyshev
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Correspondence to D. A. Slobodova.

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Translated from Khimicheskie Volokna, No. 5, pp. 18-26, September—October, 2023.

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Slobodova, D.A., Gorshkova, R.M. & Gladyshev, P.P. Thermodynamics of Sorption Processes in Sorbents Based on Pectic Polysaccharides. Fibre Chem 55, 290–298 (2024). https://doi.org/10.1007/s10692-024-10479-1

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  • DOI: https://doi.org/10.1007/s10692-024-10479-1

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