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Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane. / Demidova, M. G.; Podlipskaya, T. Yu; Shaparenko, N. O. et al.

In: Colloid Journal, Vol. 87, No. 2, 14.05.2025, p. 192-200.

Research output: Contribution to journal › Article › peer-review

Harvard

Demidova, MG, Podlipskaya, TY, Shaparenko, NO, Barakina, MK, Tatarchuk, VV & Bulavchenko, AI 2025, 'Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane', Colloid Journal, vol. 87, no. 2, pp. 192-200. https://doi.org/10.1134/S1061933X24601392

APA

Demidova, M. G., Podlipskaya, T. Y., Shaparenko, N. O., Barakina, M. K., Tatarchuk, V. V., & Bulavchenko, A. I. (2025). Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane. Colloid Journal, 87(2), 192-200. https://doi.org/10.1134/S1061933X24601392

Vancouver

Demidova MG, Podlipskaya TY, Shaparenko NO, Barakina MK, Tatarchuk VV, Bulavchenko AI. Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane. Colloid Journal. 2025 May 14;87(2):192-200. doi: 10.1134/S1061933X24601392

Author

Demidova, M. G. ; Podlipskaya, T. Yu ; Shaparenko, N. O. et al. / Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane. In: Colloid Journal. 2025 ; Vol. 87, No. 2. pp. 192-200.

BibTeX

@article{e208ef78b0cf434dbf6d11cd02036764,
title = "Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane",
abstract = "Abstract: Neutral cationic red dye has been sorbed by Polysorb MP from a 0.25 mol/L AOT microemulsion in n-decane at different contents of the aqueous pseudophase. The maximum sorption capacity of the sorbent in the microemulsion is an order of magnitude higher than that in the water phase and amounts to 55 mg/g. A drastic drop in the degree of extraction upon increasing water content in the microemulsion from 1 to 8 vol % and the reversibility of the sorption processes have been revealed. Anionic dyes are not extracted by Polysorb in the same systems. As the water content increases, the zeta-potential of SiO2 particles decreases from 18 to 1 mV. On the basis of the obtained dependencies, a cation-exchange mechanism has been proposed for the sorption from the microemulsion, with this mechanism involving the exchange of sodium and neutral red dye cations between micelles adsorbed on the surface of particles and micelles contained in the bulk of the microemulsion.",
keywords = "adsorption, electrokinetic potential, microemulsions, silica nanoparticles, sodium bis(2-ethylhexyl) sulfosuccinate",
author = "Demidova, {M. G.} and Podlipskaya, {T. Yu} and Shaparenko, {N. O.} and Barakina, {M. K.} and Tatarchuk, {V. V.} and Bulavchenko, {A. I.}",
note = "This work was supported by the Russian Foundation for Basic Research (project no. 20-03-00017) and the Ministry of Science and Higher Education of the Russian Federation (project no. 121031700315-2).",
year = "2025",
month = may,
day = "14",
doi = "10.1134/S1061933X24601392",
language = "English",
volume = "87",
pages = "192--200",
journal = "Colloid Journal",
issn = "1061-933X",
publisher = "Pleiades Publishing",
number = "2",

}

RIS

TY - JOUR

T1 - Sorption of Neutral Red Dye by Enterosorbent Polysorb MP from AOT Microemulsion in n-Decane

AU - Demidova, M. G.

AU - Podlipskaya, T. Yu

AU - Shaparenko, N. O.

AU - Barakina, M. K.

AU - Tatarchuk, V. V.

AU - Bulavchenko, A. I.

N1 - This work was supported by the Russian Foundation for Basic Research (project no. 20-03-00017) and the Ministry of Science and Higher Education of the Russian Federation (project no. 121031700315-2).

PY - 2025/5/14

Y1 - 2025/5/14

N2 - Abstract: Neutral cationic red dye has been sorbed by Polysorb MP from a 0.25 mol/L AOT microemulsion in n-decane at different contents of the aqueous pseudophase. The maximum sorption capacity of the sorbent in the microemulsion is an order of magnitude higher than that in the water phase and amounts to 55 mg/g. A drastic drop in the degree of extraction upon increasing water content in the microemulsion from 1 to 8 vol % and the reversibility of the sorption processes have been revealed. Anionic dyes are not extracted by Polysorb in the same systems. As the water content increases, the zeta-potential of SiO2 particles decreases from 18 to 1 mV. On the basis of the obtained dependencies, a cation-exchange mechanism has been proposed for the sorption from the microemulsion, with this mechanism involving the exchange of sodium and neutral red dye cations between micelles adsorbed on the surface of particles and micelles contained in the bulk of the microemulsion.

AB - Abstract: Neutral cationic red dye has been sorbed by Polysorb MP from a 0.25 mol/L AOT microemulsion in n-decane at different contents of the aqueous pseudophase. The maximum sorption capacity of the sorbent in the microemulsion is an order of magnitude higher than that in the water phase and amounts to 55 mg/g. A drastic drop in the degree of extraction upon increasing water content in the microemulsion from 1 to 8 vol % and the reversibility of the sorption processes have been revealed. Anionic dyes are not extracted by Polysorb in the same systems. As the water content increases, the zeta-potential of SiO2 particles decreases from 18 to 1 mV. On the basis of the obtained dependencies, a cation-exchange mechanism has been proposed for the sorption from the microemulsion, with this mechanism involving the exchange of sodium and neutral red dye cations between micelles adsorbed on the surface of particles and micelles contained in the bulk of the microemulsion.

KW - adsorption

KW - electrokinetic potential

KW - microemulsions

KW - silica nanoparticles

KW - sodium bis(2-ethylhexyl) sulfosuccinate

UR - https://www.mendeley.com/catalogue/e2da8b59-7b59-303a-ad54-67f81f4709c7/

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-105005023326&origin=inward&txGid=5c42b465eea383625fb5f54ff3869f74

U2 - 10.1134/S1061933X24601392

DO - 10.1134/S1061933X24601392

M3 - Article

VL - 87

SP - 192

EP - 200

JO - Colloid Journal

JF - Colloid Journal

SN - 1061-933X

IS - 2

ER -

ID: 66684625