INVESTIGATION OF HYDROCHLORIC ACID MODIFICATION OF NAVBAHOR BENTONITE CLAY AND ITS PHYSICOCHEMICAL PROPERTIES
Article Sidebar
Main Article Content
Abstract
This study investigates the acid modification of bentonite clay from the Navbahor deposit using hydrochloric acid and evaluates its effect on the physicochemical properties of the material. Bentonite samples were activated with 0.1 M and 1.5 M HCl solutions, and changes in their chemical composition and surface morphology were examined using scanning electron microscopy (SEM). The results indicate that acid treatment significantly reduces the content of exchangeable calcium, sodium, and magnesium ions while preserving the primary crystal structure of montmorillonite. In addition, the formation of new pores on the bentonite surface enhances its sorption performance. The obtained findings demonstrate the potential of acid-modified bentonite as an effective adsorbent material for environmental and industrial applications.
Downloads
Article Details
Issue
Section
This work is licensed under a Creative Commons Attribution 4.0 International License.
Public License Terms
(For Open Journal Systems (OJS))
-
Copyright:
The copyright of the published article remains with the author(s). However, after publication, the article is distributed on the OJS platform under the Creative Commons (CC BY) license. -
License Type:
This article is distributed under the Creative Commons Attribution 4.0 International (CC BY 4.0) license. This means users can utilize the article under the following conditions:- Copy and distribute: The text of the article or its parts can be freely distributed.
- Quote and analyze: Parts of the article can be used for quoting and analysis.
- Free use: The article can be freely used for research and educational purposes.
- Attribution: Users must provide proper attribution and reference to the original source.
-
Commercial use:
The article can be used for commercial purposes, provided that authorship and source are properly cited. -
Document modification:
The text or content of the article can be modified or adapted, as long as it does not harm the authorship. -
Liability disclaimer:
The author(s) are responsible for the accuracy of the information contained in the article. The editorial team of the platform is not liable for any damages resulting from the use of this information. -
Public usage obligations:
The content of the article must be used only in accordance with legal and ethical standards. Unauthorized use is strictly prohibited.
Note:
These license terms are designed to ensure transparency and openness in material usage. By accepting these terms, you agree to the adaptation and distribution of the article content under the terms of the Creative Commons license.
Link: Creative Commons Attribution 4.0 International (CC BY 4.0)
How to Cite
References
[1] Алванян, К. А., Андрианов, А. В., & Селезнева, Ю. Н. (2020). Закономерности изменения гранулометрического состава бентонитовой глины Зырянского месторождения, активированной давлением. Вестник Пермского университета, 19(4), 380–387. DOI: https://doi.org/10.17072/psu.geol.19.4.380
[2] Анюхина, А. В., & Федоров, М. В. (2017). Изменение содержания воды в глинах при высоких давлениях. В Современные технологии в строительстве. Теория и практика (с. 100–101).
[3] Везенцев, А. И., Трубицын, М. А., & Кормош, Е. В. (2012). Монтмориллонитовые глины как потенциальный сорбент патогенных веществ и микроорганизмов. Сорбционные и хроматографические процессы, 12(6), 998–1004.
[4] Манучаров, А. С., Черноморченко, Н. И., Карпачевский, Л. О., & Зубкова, Т. А. (2004). Влияние обменных катионов на гидросорбционные свойства минералов. Почвоведение, (9), 1126–1133.
[5] Бельчинская, Л. И., Бондаренко, А. В., Губкина, М. Л., и др. (2006). Влияние термического модифицирования на адсорбционные свойства природных силикатов. Сорбционные и хроматографические процессы, 6(1), 80–88.
[6] Анюхина, А. В., Середин, В. В., Андрианов, А. В., & Хлуденева, Т. Ю. (2021). Влияние термической обработки глин на их адсорбцию по красителю метиленовый голубой. Недропользование, 21(2), 52–57. DOI: https://doi.org/10.15593/2712-8008/2021.2.1
[7] Гальперина, М. К., & Павлов, В. Ф. (1971). Глины для производства керамических изделий. ВНИИЭСМ.
[8] Кормош, Е. В., Алябьева, Т. М., & Погорелова, А. Г. (2011). Химико-минералогические аспекты возможности использования глин Белгородской области в разработке сорбентов для очистки сточных вод. Фундаментальные исследования, (8), 131–136.
[9] Осипов, В. И., & Соколов, В. Н. (2013). Глины и их свойства. ГЕОС.
[10] Семериков, И. С., & Герасимова, Е. С. (2015). Физическая химия строительных материалов. Издательство Уральского университета.
[11] Трофимов, В. Т., Королев, В. А., Вознесенский, В. А., и др. (2005). Грунтоведение (6-е изд.). Издательство Московского государственного университета.
[12] Дудина, С. Н. (2010). Сорбция из растворов ионов Fe³⁺ и Ni²⁺ природными и активированными глинами. Научные ведомости. Серия: Естественные науки, (9), 131–136.
[13] Тарасевич, Ю. И., & Овчаренко, Ф. Д. (1975). Адсорбция на глинистых минералах. Наукова думка.
[14] Naseem, R., & Tahir, S. S. (2001). Removal of Pb(II) from aqueous/acidic solutions by using bentonite as adsorbent. Water Research, 35(16), 3982–3986. DOI: https://doi.org/10.1016/S0043-1354(01)00130-0
[15] Eren, E., & Afsin, B. (2009). Removal of basic dyes using raw and acid-activated bentonite samples. Journal of Hazardous Materials, 166(2–3), 830–835. DOI: https://doi.org/10.1016/j.jhazmat.2008.11.132
[16] Meunier, A. (2005). Clays. Springer.
[17] Breen, C., & Watson, R. (1998). Acid-activated organoclays: Preparation, characterization and catalytic activity of polycation-treated bentonites. Applied Clay Science, 12(6), 479–494. DOI: https://doi.org/10.1016/S0169-1317(98)00006-4
[18] Christidis, G. E., Scott, P. W., & Dunham, A. C. (1997). Acid activation and bleaching capacity of bentonites from the islands Milos and Chios, Aegean, Greece. Applied Clay Science, 12(4), 329–347. DOI: https://doi.org/10.1016/S0169-1317(97)00017-3
[19] Eloussaief, M., & Benzina, M. (2010). Efficiency of natural and acid-activated clays in the removal of Pb(II) from aqueous solutions. Journal of Hazardous Materials, 178(1–3), 753–757. DOI: https://doi.org/10.1016/j.jhazmat.2010.02.004
[20] Hart, M. P., & Brown, D. R. (2004). Surface acidities and catalytic activities of acid-activated clays. Journal of Molecular Catalysis A: Chemical, 212(1–2), 315–321. DOI: https://doi.org/10.1016/j.molcata.2003.11.013
[21] Suarya, R., Bawa Putra, A. A., & Wisudawan, D. (2010). Interkalasi tetraetil ortosilicate (TEOS) para lempung teraktifasi asam sulfat dan pemanfaatannya sebagai adsorben warna limbah garmen. Jurnal Kimia, 4(1), 43–48.
[22] Novaković, T., Rozić, L., Petrović, S., et al. (2008). Synthesis and characterization of acid-activated Serbian smectite clays obtained by statistically designed experiments. Chemical Engineering Journal, 137(2), 436–442. DOI: https://doi.org/10.1016/j.cej.2007.06.003
[23] Бельчинская, Л. И., Козлов, К. А., Читечан, С. С., и др. (2008). Адсорбционные характеристики нанопористого монтмориллонита, активированного фосфорной кислотой. Физикохимия поверхности и защита металлов, 44(3), 295–299.
[24] Salem, A., & Karimi, L. (2009). Physicochemical variation in bentonite by sulfuric acid activation. Korean Journal of Chemical Engineering, 26(4), 980–984. DOI: https://doi.org/10.1007/s11814-009-0162-2
[25] Temuujin, J., Jadambaa, Ts., Burmaa, J., et al. (2004). Characterization of acid activated montmorillonite clay from Tuulant (Mongolia). Ceramics International, 30(2), 251–255. DOI: https://doi.org/10.1016/S0272-8842(03)00096-8