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Effect of Plasma Surface Modification of Mixed Leaf Litter on the Mechanism of Oil Film Removal from Water Bodies

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Abstract

The effect of the plasma modification of mixed leaf litter on the mechanism of oil removal from water surface was studied. It was found that that the sorption isotherm of a plasma-modified mixed leaf litter is described with high reliability by the Langmuir, Freundlich, and Dubinin–Radushkevich equations. A kinetic study revealed a diffusion-kinetic sorption mode, and the calculated Gibbs energy it allowed a conclusion that the process of oil adsorption by a plasma-modified leaf litter involves no chemisorption. The modification of the proposed material in a plasma flow of the litter forms charged particles on the surface, thereby ensuring specific adsorption and the presence of electrostatic (Coulomb) forces that causing orientational and inductive interactions.

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Authors and Affiliations

  1. Kazan National Research Technological University, Kazan, 420015, Russia

    A. A. Alekseeva & S. V. Stepanova

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  1. A. A. Alekseeva
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  2. S. V. Stepanova
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Correspondence to A. A. Alekseeva.

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No Conflict of Interest was declared by the authors.

Russian Text © The Author(s), 2019, published in Ekologicheskaya Khimiya, 2019, Vol. 28, No. 2, pp. 88–96.

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Alekseeva, A.A., Stepanova, S.V. Effect of Plasma Surface Modification of Mixed Leaf Litter on the Mechanism of Oil Film Removal from Water Bodies. Russ J Gen Chem 89, 2763–2768 (2019). https://doi.org/10.1134/S107036321913005X

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  • DOI: https://doi.org/10.1134/S107036321913005X

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