Open Access
Soil Systems, volume 6, issue 1, pages 2
Sorption of Fulvic Acids and Their Compounds with Heavy Metal Ions on Clay Minerals
Nikishina Maria
1
,
Perelomov Leonid
1
,
Atroshchenko Yury
1
,
Ivanova Evgenia
1
,
Mukhtorov Loik
1
,
Publication type: Journal Article
Publication date: 2022-01-02
Earth-Surface Processes
Soil Science
Abstract
In real soils the interaction of humic substances with clay minerals often occurs with the participation of metal cations. The adsorption of fulvic acids (FA) solution and their solutions in the presence of heavy metal ions (Pb or Zn) on two clay minerals (kaolinite and bentonite) was investigated by measurement of the optical density changes in the of equilibrium solutions. The FA adsorption by bentonite at the concentrations 0.05–1 g/L proceeds according to the polymolecular mechanism and has a stepwise character. The adsorption of FA on kaolinite can be described by the mechanism of monomolecular adsorption. In three-component systems, including FA, trace element ions and a clay mineral, complex processes occur, including the formation of complexes and salts and their adsorption. The sorption of colored complexes of FA with Pb on the surface of kaolinite and bentonite increases with increasing metal concentrations (0.5–2 mmol/L). The interaction of the FA-Zn2+ compounds with bentonite is a more complicated process—adsorption takes place at the lowest concentration used only. Thus, binding of FA by clay minerals in the presence of metal cations is a complex phenomenon due to the chemical heterogeneity of FA, different properties of metals, characteristics of mineral surfaces and the variability of environmental conditions.
Citations by journals
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1
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Soil Systems
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Soil Systems
1 publication, 20%
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Water (Switzerland)
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1 publication, 20%
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1 publication, 20%
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Scientia Pharmaceutica
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1 publication, 20%
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Agrochemicals
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1 publication, 20%
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Citations by publishers
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5
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
5 publications, 100%
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5
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Nikishina M. et al. Sorption of Fulvic Acids and Their Compounds with Heavy Metal Ions on Clay Minerals // Soil Systems. 2022. Vol. 6. No. 1. p. 2.
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Nikishina M., Perelomov L., Atroshchenko Y., Ivanova E., Mukhtorov L., Tolstoy P. M. Sorption of Fulvic Acids and Their Compounds with Heavy Metal Ions on Clay Minerals // Soil Systems. 2022. Vol. 6. No. 1. p. 2.
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TY - JOUR
DO - 10.3390/soilsystems6010002
UR - https://doi.org/10.3390%2Fsoilsystems6010002
TI - Sorption of Fulvic Acids and Their Compounds with Heavy Metal Ions on Clay Minerals
T2 - Soil Systems
AU - Atroshchenko, Yury
AU - Ivanova, Evgenia
AU - Mukhtorov, Loik
AU - Nikishina, Maria
AU - Perelomov, Leonid
AU - Tolstoy, Peter M.
PY - 2022
DA - 2022/01/02 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2
IS - 1
VL - 6
SN - 2571-8789
ER -
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@article{2022_Nikishina,
author = {Yury Atroshchenko and Evgenia Ivanova and Loik Mukhtorov and Maria Nikishina and Leonid Perelomov and Peter M. Tolstoy},
title = {Sorption of Fulvic Acids and Their Compounds with Heavy Metal Ions on Clay Minerals},
journal = {Soil Systems},
year = {2022},
volume = {6},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {jan},
url = {https://doi.org/10.3390%2Fsoilsystems6010002},
number = {1},
pages = {2},
doi = {10.3390/soilsystems6010002}
}
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Nikishina, Maria, et al. “Sorption of Fulvic Acids and Their Compounds with Heavy Metal Ions on Clay Minerals.” Soil Systems, vol. 6, no. 1, Jan. 2022, p. 2. https://doi.org/10.3390%2Fsoilsystems6010002.
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