ДОПУВАННЯ ПРИРОДНОГО КЛИНОПТИЛОЛІТУ МАНГАНУ(IV) ОКСИДОМ ПІД ДІЄЮ НАДВИСОКОЧАСТОТНОГО ЕЛЕКТРОМАГНІТНОГО ВИПРОМІНЮВАННЯ
DOI:
https://doi.org/10.31319/2519-2884.48.2026.18Ключові слова:
клиноптилоліт, сорбент, модифікування, допування, очищення вод, електромагнітне випромінюванняАнотація
У статті наведено результати допування природного клиноптилоліту мангану(IV) оксидом під дією електромагнітного випромінювання надвисокочастотного (НВЧ) діапазону. Встановлено, що на утворення аморфної або кристалічної форми MnO2 передусім впливає питома потужність НВЧ-випромінювання. За малих значень питомої потужності НВЧ-енергії в межах 3,0…4,5 Вт/г утворюється аморфний MnO2, а за понад 6,0 Вт/г — його кристалічна форма. Поглинання НВЧ-енергії повітряно-сухим клиноптилолітом, попередньо імпрегнованим розчином мангану нітрату, ймовірно зумовлене наявністю проміжних гідратних форм, які утворились під час сушіння за температури 80…90 ºС.
Посилання
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doi.org/10.12911/22998993/204961
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doi. org/10.17159/2411-9717/1556/2022
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doi.org/ 10.17159/2411-9717/1439/2022
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Margeta, K., Zabukovec, N., Šiljeg, V., Farkas, A. Natural Zeolites in Water Treatment – How Effective is Their Use. Water Treatment. 2013. 16 January. doi.org/ 10.5772/50738
Pandová, M. Rimár, A. Panda, J. Valíček, M. Kušnerová, M. Harničárová, A study of using natu-ral sorbent to reduce iron cations from aqueous solutions. International Journal of Environmental Research and Public Health. 2020. 17(10). 3686. doi.org/ 10.3390/ijerph17103686.
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Selim, M.S., Hao, Z., Jiang, Y., Yi, M., Zhang, Y. Controlled-synthesis of β-MnO2 nanorods through a γ-manganite precursor route. Materials Chemistry and Physics. 2019. 235(1), 121733 doi.org/10.1016/j.matchemphys.2019.121733
Shrestha, A.M., Kazama, S., Sawangjang, B., Takizawa, S. Improvement of Removal Rates for Iron and Manganese in Groundwater Using Dual-Media Filters Filled with Manganese-Oxide-Coated Sand and Ceramic in Nepal. Water. 2024. 16. 2450. doi.org/ 10.3390/ w16172450.
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Pei, X., Wang, H., Zhao, H., Xu, J., He, C., Ji, Z. Investigation on denitrification performance of microwave synthesized high-efficiency MnOx catalysts for low-temperature NH3-SCR. Journal of Alloys and Compounds. 2024. 1008 (15). 176533
doi.org/10.1016/j.jallcom.2024.176533
Ryschenko, I.M., Rusinov, A.I., Blinkov, N.A. Influence of microwave radiation on temperature characteristics of dehydration. Eastern-European Journal of Enterprise Technologies. 2015. 5/6(77). P. 29–34. doi.org/10.15587/1729-4061.2015.51359
Małecki, А., Gajerski, R., Łabuś, S., Prochowska-Klisch, B., Wojciechowski, K.T. Mechanism of Thermal Decomposition of d-metals Nitrates Hydrates. Journal of Thermal Analysis and Calo-rimetry. 2000. 60(1):17—23. doi.org/ 10.1023/A:1010155931266
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Zhu, М.. Tian, Н., Niu, R., Li, X., Zhang, F., Chu, K. Amorphous MnO2 with low-coordinated Mn sites for efficient electrochemical urea production from CO2 and NO. New Journal of Chemis-try. 2025. 49. P. 20507—20511. doi.org/10.1039/D5NJ03566J
Shvets, I., Zbykovskyy, Y., Bohomaz, O. (2025). Groundwater quality in coal mines of Ukraine: possibility of using it as drinking water. Journal of Ecological Engineering. 26(10). P. 26—41. doi.org/10.12911/22998993/204961
Clay, A.N., Joubert, S., Moeketsi, N.N. (2022). Mineimpacted water: From waste to resource. Journal of the Southern African Institute of Mining and Metallurgy. 122(1). P. 1–4.
https://doi. org/10.17159/2411-9717/1556/2022
Dvořáček, J., Malíková, P., Sousedíková, R., Heviánková, S., Rys, P., Osičková, I. (2022). Water production as an option for utilizing closed underground mines. Journal of the Southern African Institute of Mining and Metallurgy. 122(10). P. 1–7.
https://doi.org/ 10.17159/2411-9717/1439/2022
Mkilima, T., Devrishov, D., Kydyrbekova, Ubasdulayeva, N., Tleukolov, A., Khassenova, A., Yussupova, N., Birimzhanova, D. (2022). Natural Zeolite for The Purification of Saline Ground-water and Irrigation Potential Analysis. Molecules. 27(22): 7729. doi: 10.3390/molecules27227729
Margeta, K., Zabukovec, N., Šiljeg, V., Farkas, A. (2013). Natural Zeolites in Water Treatment – How Effective is Their Use. Water Treatment. 16 January. DOI: 10.5772/50738
Pandová, M. Rimár, A. Panda, J. Valíček, M. Kušnerová, M. Harničárová, "A study of using natural sorbent to reduce iron cations from aqueous solutions. International Journal of Environ-mental Research and Public Health. 2020. 17(10). 3686. doi: 10.3390/ijerph17103686.
Znak, Z., Zin, O., Mashtaler, A., Korniy, S., Sukhatskiy, Yu., Gogate, P.R., Mnykh, R., Thane-kar, P. (2021). Improved modification of clinoptilolite with silver using ultrasonic radiation. Ul-trasonics Sonochemistry. 73. 105496 https://doi.org/10.1016/j.ultsonch.2021.105496
Znak, Z., Kochubei, V. (2023). Influence of Natural Clinoptilolite Modification with Ions and Ze-ro-Valent Silver on its Sorption Capacity. Chemistry & Chemical Technology. 17(3). P. 646—654. https://doi.org/10.23939/chcht17.03.646
Selim, M.S., Hao, Z., Jiang, Y., Yi, M., Zhang, Y. (2019). Controlled-synthesis of β-MnO2 nano-rods through a γ-manganite precursor route. Materials Chemistry and Physics. 235(1), 121733 https://doi.org/10.1016/j.matchemphys.2019.121733
Shrestha, A.M., Kazama, S., Sawangjang, B., Takizawa, S. (2024). Improvement of Removal Rates for Iron and Manganese in Groundwater Using Dual-Media Filters Filled with Manganese-Oxide-Coated Sand and Ceramic in Nepal. Water. 16. 2450. doi: 10.3390/ w16172450.
Leonelli, С., Colombini, E., Mortalò C. (2025). Contribution of Microwave Irradiation in the Synthesis of Inorganic Compounds: An Italian Approach: Review. Inorganics. 13(410). https://doi.org/10.3390/inorganics13120410
Cuéllar Herrera, L., Arce Estrada, E., Romero Serrano, A., Ortiz Landeros, J., Cabrera Sierra, R., Tirado López, C., Hernández Ramírez, A., López Rodríguez, J. (2021). Microwave Assisted Synthesis and Characterization of γ MnO2 for High Performance Supercapacitors. Journal of Electronic Materials. 50:5577—5589. https://doi.org/10.1007/s11664-021-09098-x
Pei, X., Wang, H., Zhao, H., Xu, J., He, C., Ji, Z. (2024). Investigation on denitrification per-formance of microwave synthesized high-efficiency MnOx catalysts for low-temperature NH3-SCR. Journal of Alloys and Compounds. 1008(15). 176533.
https://doi.org/10.1016/j.jallcom.2024.176533
Ryschenko, I.M., Rusinov, A.I., Blinkov, N.A.(2015). Influence of microwave radiation on tem-perature characteristics of dehydration. Eastern-European Journal of Enterprise Technologies. 5/6(77). P. 29—34. https://doi.org/10.15587/1729-4061.2015.51359
Małecki, А., Gajerski, R., Łabuś, S., Prochowska-Klisch, B., Wojciechowski, K.T. (2000). Mechanism of Thermal Decomposition of d-metals Nitrates Hydrates. Journal of Thermal Analy-sis and Calorimetry. 60(1):17—23. DOI: 10.1023/A:1010155931266
Galwey, A.K. (2003). Chapter 12 — Dehydration of Crystalline Hydrates. Handbook of Thermal Analysis and Calorimetry. 2. P. 595-656. https://doi.org/10.1016/S1573-4374(03)80016-X
Zhu, М.. Tian, Н., Niu, R., Li, X., Zhang, F., Chu, K. (2025). Amorphous MnO2 with low-coordinated Mn sites for efficient electrochemical urea production from CO2 and NO. New Jour-nal of Chemistry. 49. P. 20507—20511. https://doi.org/10.1039/D5NJ03566J
