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Organoclays Based on Bentonite and Various Types of Surfactants as Heavy Metal Remediants

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  • Leonid Perelomov

    (Laboratory of Soil Chemistry and Ecology, Faculty of Natural Sciences, Tula State Lev Tolstoy Pedagogical University (Tolstoy University), Lenin Avenue, 125, Tula 300026, Russia
    Laboratory of Biogeochemistry, Tula State Lev Tolstoy Pedagogical University (Tolstoy University), Lenin Avenue, 125, Tula 300026, Russia)

  • Maria Gertsen

    (Laboratory of Soil Chemistry and Ecology, Faculty of Natural Sciences, Tula State Lev Tolstoy Pedagogical University (Tolstoy University), Lenin Avenue, 125, Tula 300026, Russia)

  • Marina Burachevskaya

    (Laboratory of Soil Chemistry and Ecology, Faculty of Natural Sciences, Tula State Lev Tolstoy Pedagogical University (Tolstoy University), Lenin Avenue, 125, Tula 300026, Russia)

  • S. Hemalatha

    (School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600048, India)

  • Architha Vijayalakshmi

    (School of Life Sciences, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600048, India)

  • Irina Perelomova

    (Medical Institute, Tula State University, Lenin Avenue, 92, Tula 300012, Russia)

  • Yurii Atroshchenko

    (Laboratory of Soil Chemistry and Ecology, Faculty of Natural Sciences, Tula State Lev Tolstoy Pedagogical University (Tolstoy University), Lenin Avenue, 125, Tula 300026, Russia)

Abstract

The rapid industrial development of civilization has led to the need for the development of new materials to clean up chemically contaminated wastewater and soils. Organoclays, based on smectite minerals and various types of surfactants, are one of the most effective sorbents for adsorbing organic and inorganic pollutants. Organoclays are clay minerals that have been modified by the intercalation or grafting of organic molecules. The main mechanism of interaction between organic substances and organoclays involves the adsorption of the substances onto the surface of the clay mineral, which has an expanded structural cell. Various types of surfactants can be used to synthesize organoclays, including cationic, anionic, and amphoteric surfactants. Each type of surfactant has different properties that affect the clay’s ability to sorb. Cationic forms of trace elements, such as heavy metals, can also be adsorbed by organoclays. Data on the adsorption of these substances by organoclays are provided, along with information on how to synthesize them using various surfactants. This review also discusses the main mechanisms of interaction between these substances and clays and the various methods used to create organoclays. It is clear that the adsorption of heavy metals by organoclays is not influenced by their structure or properties, as they belong to the category of surfactant, but rather by their overall chemical structure and characteristics. The wide variety of surfactant types leads to different effects on the adsorption properties of trace elements.

Suggested Citation

  • Leonid Perelomov & Maria Gertsen & Marina Burachevskaya & S. Hemalatha & Architha Vijayalakshmi & Irina Perelomova & Yurii Atroshchenko, 2024. "Organoclays Based on Bentonite and Various Types of Surfactants as Heavy Metal Remediants," Sustainability, MDPI, vol. 16(11), pages 1-21, June.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:11:p:4804-:d:1408992
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    References listed on IDEAS

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    1. Maria M. Gertsen & Leonid V. Perelomov & Viacheslav A. Arlyapov & Yurii M. Atroshchenko & Valery P. Meshalkin & Tamara B. Chistyakova & Andrea Pietro Reverberi, 2023. "Degradation of Oil and Petroleum Products in Water by Bioorganic Compositions Based on Humic Acids," Energies, MDPI, vol. 16(14), pages 1-13, July.
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