التفاصيل البيبلوغرافية
| العنوان: |
Fe3O4/MMT Fenton-like heterogeneous catalyst for the methylene blue degradation. |
| المؤلفون: |
Ayadi, Hassan, Khaled, Ammar, Halladja, Sabrina, Boudraa, Issam, Rehimi, Zehoua, Chehimi, Mohamed M. |
| المصدر: |
Desalination & Water Treatment; 6/1/2022, Vol. 260, p179-186, 8p |
| مصطلحات موضوعية: |
METHYLENE blue, HETEROGENEOUS catalysts, X-ray photoelectron spectroscopy, COLOR removal in water purification, MONTMORILLONITE catalysts, ULTRAVIOLET-visible spectroscopy |
| مستخلص: |
Modified clay materials constitute a unique series of materials for effective and efficient heterogeneous catalytic oxidation applied to environmental remediation. In this work, magnetitedecorated montmorillonite catalyst (Fe3O4/MMT) was prepared by co-precipitation method and then characterized by Fourier-transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy and UV-visible spectroscopy. Montmorillonite show interesting properties in adsorption and catalysis. Moreover the Fe3O4 nanoparticles mainly existed on the surface of the MMT, thus exhibiting improved dispersion and lower levels of aggregation. The catalytic activity of Fe3O4/MMT was interrogated in advanced oxidation process using methylene blue (MB) as a model pollutant. The catalyzed degradation of MB was conducted in the presence of H2O2. Fe3O4/MMT showed a higher degradation efficiency compared to MMT and Fe3O4. This survey was optimized by a change in initial H2O2 concentration and temperature; the results obtained show a quasi-complete removal of the MB color. This study confirmed the catalytic efficiency of Fe3O4/MMT material for MB removal by heterogeneous Fenton oxidation. In addition, the synthesized material was easily recovered by simple magnetic separation which accounts for good reusability and remarkable catalytic stability. [ABSTRACT FROM AUTHOR] |
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| قاعدة البيانات: |
Complementary Index |
