English
Русский 26-42 p.
The article presents the results of a study of the sorption properties of silicon dioxide obtained from overburden rocks for use in the removal of methylene blue, an organic cationic thizian dye, from aqueous solutions. The aim of the study was to evaluate the sorption properties of silica and its efficiency in the removal of methylene blue from aqueous solutions. Experimental data showed that the sorption efficiency depends on temperature, pH and stirring speed. It was found that increasing pH and stirring speed promotes sorption enhancement, while increasing temperature decreases sorption efficiency. In addition, the possibility of regeneration of silica after sorption was investigated and it was shown that its sorption properties are practically unchanged after several cycles of use. The maximum sorption capacity was 515.9 μmol/g. In a previously published paper, under standard conditions, the maximum sorption capacity was 438.22 μmol/g. The results emphasize the potential of silica as an effective and sustainable sorbent for the removal of organic dyes from wastewater. Thus, silica can be recommended for multiple use in wastewater treatment processes due to its high thermal stability and durability.
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2. Dzhubari M.K., Alekseeva N.V., Baziyani G.I., Takha V.S. Methods for removing pigments from wastewater. News of Tomsk Polytechnic University. Georesources Engineering. 2021. Vol. 332. No. 7. P. 54 – 64.
3. Izmailov B.I., Sharipov R.M., Valeeva L.D., Gadelshina E.A., Vildanova A.I. Assortment of dyes used for textile materials. Bulletin of the Technological University. 2015. Vol. 18. No. 15. P. 180 – 182.
4. Isaev A.B., Magomedova A.G. New technologies for treating wastewater from dyes based on oxidative pro-cesses. Bulletin of Moscow University. Episode 2: Chemistry. 2022. Vol. 63. No. 4. P. 247 – 268.
5. Mirzalimova S.A., Mukhamediev M.G., Kirshina E.Yu. Textile enterprises as sources of wastewater toxicity. Universum: chemistry and biology. 2021. No. 10-1 (88). P. 20 – 24.
6. Mirzalimova S.A., Kirshina E.Yu., Mukhamediev M.G. Using the method of electrochemical destruction to purify wastewater from the active dye Red SPD. Water management of Russia: problems, technologies, manage-ment. 2022. No. 4. P. 86 – 99.
7. Mirzakhmedova M.Kh., Khamidova V.D., Azamzhonova S.Sh., Kultaev M.S. Combination of dyeing pro-cesses and final finishing of textile materials. Bulletin of Science. 2022. Vol. 52. No. 7. P. 77 – 87.
8. Samodolova O.A., Ulrich D.V., Lonzinger T.M. The use of buckwheat husks (granulated) in the treatment of urban surface wastewater. Urban planning and architecture. 2023. Vol. 13. No. 1. P. 37 – 44.
9. Turyansky V.A. Sorption properties of silicon dioxide obtained from overburden rocks. Power plants and technologies. 2023. Vol. 9. No. 2. P. 101 – 112.
10. Checherina A.Yu., Stoyanova A.D., Konkova T.V. Application of physical and chemical methods for the treatment of wastewater containing organic dye and clay from the Taganskoe deposit. Advances in chemistry and chemical technology. 2021. Vol. 35. No. 6. P. 122 – 124.
11. Buntin A., Agliullin V. Transformation of the structure and adsorption properties of bentonite during physi-cal and chemical treatment. Journal of Physics: Conference Series. IOP Publishing, 2022. Vol. 2373. No. 3. P. 032006.
12. Fang J. Sorption and desorption of phenanthrene onto iron, copper, and silicon dioxide nanoparticles. Langmuir. 2008. Vol. 24. No. 19. P. 10929 – 10935.
13. Grigoryan S.G., Synthesis of Silicon Dioxide Xerogels and Their Sorption – Desorption Properties with Re-spect to Nicotine and Glycols. Russian Journal of General Chemistry. 2023. Vol. 93. No. 8. P. 2048 – 2057.
14. Lieser K.H., Quandt-Klenk S., Thybusch B. Sorption of uranyl ions on hydrous silicon dioxide. Ra-diochimica Acta. 1992. Vol. 57. No. 1. P. 45 – 50.
15. Mustapha L.S. Rapid and effective adsorption of selected heavy metals from battery wastewater using sili-con-oxide nanoparticles derived rice husk. Groundwater for Sustainable Development. 2023. Vol. 23. P. 101024.
16. Nadzhafova O.Y. Optimization and use of composite coatings based on silicon oxide and polyvinyl-sulfonic acid for the adsorption-spectrophotometric determination of iron (II) and zinc (II) phenanthrolinates. Journal of Analytical Chemistry. 2007. Vol. 62. P. 1136 – 1142.
17. Uzokov J.R., Mukhamadiev N.K. Sorption characteristics of mesoporous composite SiO2·TiO2. Central Asian Journal of Medical and Natural Science. 2021. Vol. 2. No. 5. P. 494 – 498.
18. Wang J. Moisture adsorption and desorption properties of colloidal silicon dioxide and its impact on layer adhesion of a bilayer tablet formulation. International Journal of Pharmaceutical Excipients. 2016. Vol. 5. No. 1.
19. Ying D. Sorption of europium onto diethylenetriaminepentaacetic acid based silica dioxide: kinetics, iso-therm, thermodynamics. Journal of Radioanalytical and Nuclear Chemistry. 2017. Vol. 314. No. 3. P. 2449 – 2457.
20. Zhou T., Pillar [5, 6] arene-functionalized silicon dioxide: synthesis, characterization, and adsorption of herbicide. Langmuir. 2015. Vol. 31. No. 4. P. 1454 – 1461.
Turyanskiy V.A. Study of sorption properties of silicon dioxide based on overburden rocks for the extraction of dyes from wastewaters. Chemical Bulletin. 2024. 7 (2). P. 26 – 42. https://doi.org/10.58224/2619-0575-2024-7-2-26-42