Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes
The widespread use of surfactants increasingly requires the development and application of reliable methods for the demineralization of wastewaters, preventing environmental pollution. One of the most reliable and effective methods of demineralization of wastewaters is the electrodialysis method. St...
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MDPI AG
2020-10-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/10/20/7383 |
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| author | Irina Bejanidze Oleksandr Petrov Volodymyr Pohrebennyk Tina Kharebava Nunu Nakashidze Nato Didmanidze Nazi Davitadze Anton Petrov |
| author_facet | Irina Bejanidze Oleksandr Petrov Volodymyr Pohrebennyk Tina Kharebava Nunu Nakashidze Nato Didmanidze Nazi Davitadze Anton Petrov |
| author_sort | Irina Bejanidze |
| collection | DOAJ |
| description | The widespread use of surfactants increasingly requires the development and application of reliable methods for the demineralization of wastewaters, preventing environmental pollution. One of the most reliable and effective methods of demineralization of wastewaters is the electrodialysis method. Studying the behavior of large organic ions in the membrane is important for modeling cell membranes and purification of medicinal and biological preparations. The sorption characteristics of the MA-40 and MK-40 ion-exchange membranes in solutions of simple and organic electrolytes, and in a solution of the surfactant were investigated. It was found that the sorption of organic ions by membranes is mainly of an ion-exchange nature. The moisture content and elasticity of the membranes decreases in solutions of organic electrolytes, during the sorption of which the membrane becomes brittle. A study showed that in the solutions of organic electrolytes, the MA-40 membrane retains high electrochemical activity, while the MK-40 in a solution of the surfactant completely loses it. From the data obtained in this work, it is shown that organic ions do not present a hazard when water is desalted by electrodialysis, whereas sorption of surfactant ions leads to membrane poisoning. |
| first_indexed | 2024-03-10T15:26:58Z |
| format | Article |
| id | doaj.art-d097ac7914e244eba5d49e0fe3443b5f |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-10T15:26:58Z |
| publishDate | 2020-10-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Applied Sciences |
| spelling | doaj.art-d097ac7914e244eba5d49e0fe3443b5f2023-11-20T18:00:42ZengMDPI AGApplied Sciences2076-34172020-10-011020738310.3390/app10207383Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous MembranesIrina Bejanidze0Oleksandr Petrov1Volodymyr Pohrebennyk2Tina Kharebava3Nunu Nakashidze4Nato Didmanidze5Nazi Davitadze6Anton Petrov7Department of Chemistry, Batumi Shota Rustaveli State University, Batumi GE 6010, GeorgiaDepartment of Applied Computer Science, AGH University of Science and Technology, 30-059 Kraków, PolandDepartment of Ecological Safety and Nature Protection Activity, Lviv Polytechnic National University, 79013 Lviv, UkraineDepartment of Chemistry, Batumi Shota Rustaveli State University, Batumi GE 6010, GeorgiaDepartment of Agroecology and Forestry, Batumi Shota Rustaveli State University, Batumi GE 6010, GeorgiaDepartment of Chemistry, Batumi Shota Rustaveli State University, Batumi GE 6010, GeorgiaLTD Batumi Water, Batumi GE 6010, GeorgiaDepartment of Information Systems, Kuban State Agrarian University Named after I.T. Trubilin, 350044 Krasnodar, RussiaThe widespread use of surfactants increasingly requires the development and application of reliable methods for the demineralization of wastewaters, preventing environmental pollution. One of the most reliable and effective methods of demineralization of wastewaters is the electrodialysis method. Studying the behavior of large organic ions in the membrane is important for modeling cell membranes and purification of medicinal and biological preparations. The sorption characteristics of the MA-40 and MK-40 ion-exchange membranes in solutions of simple and organic electrolytes, and in a solution of the surfactant were investigated. It was found that the sorption of organic ions by membranes is mainly of an ion-exchange nature. The moisture content and elasticity of the membranes decreases in solutions of organic electrolytes, during the sorption of which the membrane becomes brittle. A study showed that in the solutions of organic electrolytes, the MA-40 membrane retains high electrochemical activity, while the MK-40 in a solution of the surfactant completely loses it. From the data obtained in this work, it is shown that organic ions do not present a hazard when water is desalted by electrodialysis, whereas sorption of surfactant ions leads to membrane poisoning.https://www.mdpi.com/2076-3417/10/20/7383sorptionadsorption kineticselectrodialysis methodmembraneenvironmental pollutantswater contaminants |
| spellingShingle | Irina Bejanidze Oleksandr Petrov Volodymyr Pohrebennyk Tina Kharebava Nunu Nakashidze Nato Didmanidze Nazi Davitadze Anton Petrov Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes Applied Sciences sorption adsorption kinetics electrodialysis method membrane environmental pollutants water contaminants |
| title | Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes |
| title_full | Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes |
| title_fullStr | Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes |
| title_full_unstemmed | Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes |
| title_short | Sorption of Organic Electrolytes and Surfactants from Natural Waters by Heterogeneous Membranes |
| title_sort | sorption of organic electrolytes and surfactants from natural waters by heterogeneous membranes |
| topic | sorption adsorption kinetics electrodialysis method membrane environmental pollutants water contaminants |
| url | https://www.mdpi.com/2076-3417/10/20/7383 |
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