Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue
An optimization study for the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles and their performance for the adsorptive removal of the methylene blue (MB) dye was reported. The as-produced samples and their associated calcined corresponding ones in the range of 400–800 °C were systematically chara...
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Elsevier
2024-01-01
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| Series: | Desalination and Water Treatment |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1944398624000663 |
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| author | Lotfi Ben Tahar Mustafa Jaip Allah Abd Elmageed Abualreish Adel Noubigh |
| author_facet | Lotfi Ben Tahar Mustafa Jaip Allah Abd Elmageed Abualreish Adel Noubigh |
| author_sort | Lotfi Ben Tahar |
| collection | DOAJ |
| description | An optimization study for the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles and their performance for the adsorptive removal of the methylene blue (MB) dye was reported. The as-produced samples and their associated calcined corresponding ones in the range of 400–800 °C were systematically characterized for their structure and microstructure using different techniques. For the expected best candidate for the MB removal, the pure NiZn nanoferrite (optimized parameters: Fuel=Urea; pH=5; [Fe3+]:0.025 M; Total nitrate to fuel molar ratio=8/6.66) consists of ultrasmall nanocrystals with an average crystallite size of ∼4 nm. For the optimization study of adsorptive removal of the MB dye by selected ultrasmall NiZn ferrite nanoparticles, various critical physicochemical parameters were varied. Regarding the effect of calcination temperature, it was demonstrated that the nanoferrite calcined at 500 °C showed the best removal efficiency of MB (for instance ∼43% and ∼72%, for the as-prepared and the nanoferrite calcined at 500 °C, respectively). For the selected nanoparticles, the removal efficiency was found to increase in a monotonous manner in the pH range of 4–11. This increase was faster with pH values higher than the pHPZC (∼8). For instance, it is ∼10% for pH∼4, ∼18% for pH∼8 and ∼62% for pH∼11. Whereas, the uptake capacity of the dye onto the produced nanoparticles was found to decrease and increase, respectively, with the increase in the dosage and in the MB concentration. Whatever the dye concentration, almost of the removable amount of the dye takes place in the first 30 s. The very fast adsorption rate observed in the initial stage was mainly attributed to the external surface properties of the ferrite nanoparticles. Additionally, for an industrial, economic and environmental purposes, the reusability efficiency of the nanoparticles was tested. The nanoadsorbent was stable for up to five adsorption–desorption–regeneration–reuse consecutive cycles without obvious decrease in the removal efficiency for dyes. |
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| institution | DOAJ |
| issn | 1944-3986 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Elsevier |
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| series | Desalination and Water Treatment |
| spelling | doaj-art-ef68dae77cdd4c65ae63ffdd5f2cb3e02025-08-20T03:04:54ZengElsevierDesalination and Water Treatment1944-39862024-01-0131710005210.1016/j.dwt.2024.100052Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blueLotfi Ben Tahar0Mustafa Jaip Allah Abd Elmageed Abualreish1Adel Noubigh2Northern Border University, College of Science of Arar, Department of Chemistry, P.O. Box 1231, Arar 91431, Saudi Arabia; Carthage University, Faculty of Science of Bizerte, Laboratoire des Composes Hétéro-Organiques et des materiaux Nanostructurs de Nanomatériaux, Jarzouna 7021, Tunisia; Tunis El Manar University, Faculty of Science of Tunis, Campus Universitaire, 2092, Tunisia; Correspondence to: Northern Border University, Faculty of Science, P.O. Box 1231, Arar 91431, Saudi Arabia.Northern Border University, College of Science of Arar, Department of Chemistry, P.O. Box 1231, Arar 91431, Saudi Arabia; Omdurman Islamic University, Department of Chemistry, Faculty of Science and Technology, SudanNorthern Border University, College of Science of Arar, Department of Chemistry, P.O. Box 1231, Arar 91431, Saudi Arabia; Université de Carthage, Institut Préparatoire aux Etudes Scientifiques et Techniques 99/UR/1201 unité de recherches de physico – chimie moléculaire, 2070 La Marsa, TunisiaAn optimization study for the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles and their performance for the adsorptive removal of the methylene blue (MB) dye was reported. The as-produced samples and their associated calcined corresponding ones in the range of 400–800 °C were systematically characterized for their structure and microstructure using different techniques. For the expected best candidate for the MB removal, the pure NiZn nanoferrite (optimized parameters: Fuel=Urea; pH=5; [Fe3+]:0.025 M; Total nitrate to fuel molar ratio=8/6.66) consists of ultrasmall nanocrystals with an average crystallite size of ∼4 nm. For the optimization study of adsorptive removal of the MB dye by selected ultrasmall NiZn ferrite nanoparticles, various critical physicochemical parameters were varied. Regarding the effect of calcination temperature, it was demonstrated that the nanoferrite calcined at 500 °C showed the best removal efficiency of MB (for instance ∼43% and ∼72%, for the as-prepared and the nanoferrite calcined at 500 °C, respectively). For the selected nanoparticles, the removal efficiency was found to increase in a monotonous manner in the pH range of 4–11. This increase was faster with pH values higher than the pHPZC (∼8). For instance, it is ∼10% for pH∼4, ∼18% for pH∼8 and ∼62% for pH∼11. Whereas, the uptake capacity of the dye onto the produced nanoparticles was found to decrease and increase, respectively, with the increase in the dosage and in the MB concentration. Whatever the dye concentration, almost of the removable amount of the dye takes place in the first 30 s. The very fast adsorption rate observed in the initial stage was mainly attributed to the external surface properties of the ferrite nanoparticles. Additionally, for an industrial, economic and environmental purposes, the reusability efficiency of the nanoparticles was tested. The nanoadsorbent was stable for up to five adsorption–desorption–regeneration–reuse consecutive cycles without obvious decrease in the removal efficiency for dyes.http://www.sciencedirect.com/science/article/pii/S1944398624000663Sol-gelNanoparticlesNiZn FerriteCharacterizationOptimizationWastewater |
| spellingShingle | Lotfi Ben Tahar Mustafa Jaip Allah Abd Elmageed Abualreish Adel Noubigh Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue Desalination and Water Treatment Sol-gel Nanoparticles NiZn Ferrite Characterization Optimization Wastewater |
| title | Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue |
| title_full | Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue |
| title_fullStr | Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue |
| title_full_unstemmed | Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue |
| title_short | Optimization of reaction variables in the sol-gel synthesis of Ni0.5Zn0.5Fe2O4 nanoparticles as a very fast adsorbent of methylene blue |
| title_sort | optimization of reaction variables in the sol gel synthesis of ni0 5zn0 5fe2o4 nanoparticles as a very fast adsorbent of methylene blue |
| topic | Sol-gel Nanoparticles NiZn Ferrite Characterization Optimization Wastewater |
| url | http://www.sciencedirect.com/science/article/pii/S1944398624000663 |
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