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Synthesis and Characterization of Fe3O4- SiO2 Nanoparticles as Adsorbent Material for Methyl Blue Dye Removal from Aqueous Solutions | ||
| Pollution | ||
| دوره 8، شماره 1، فروردین 2022، صفحه 295-302 اصل مقاله (945.49 K) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/poll.2021.328697.1157 | ||
| نویسندگان | ||
| Nisreen Sabti Mohammed Ali1؛ Hayder A. Alalwan* 2؛ Alaa H. Alminshid3؛ Malik M. Mohammed4 | ||
| 1Baghdad Institute of Technology, Middle Technical University, Baghdad, Iraq | ||
| 2Department of Petrochemical Techniques, Technical Institute-Kut, Middle Technical University, Baghdad, Iraq Islamic University Centre for Scientific Research, The Islamic University, Najaf, Iraq | ||
| 3Department of Chemistry - Wasit University, Kut, Wasit, Iraq. ORCID # 0000-0003-1485-6275 Kut University Collage, Al Kut, Wasit, Iraq, 52001 | ||
| 4Department of Chemical and Petroleum Industries Engineering, Al-Mustaqbal University College, Babel, Iraq | ||
| چکیده | ||
| In this work, Fe3O4-SiO2 nanoparticles were synthesized, characterized, and applied as adsorbent material to remove methyl blue stain from an aqueous solution. The prepared nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), and Brunauer–Emmett–Teller (BET) to determine the physical surface properties and correlate them to the adsorption efficiency. In addition, this study investigated the influence of several parameters on the removal percentage and adsorption capacity. Specifically, this study investigated the impact of changing the following parameters: pH (1 – 8), agitation speed (Uspeed; 100 - 350 rpm), initial methyl blue (MB) concentration (1 - 100 mg/L), adsorbent dose (0.05 to 0.15 g), and contact time (10 - 100 min). The characterization study reveals that the prepared material has an excellent surface area (385 ± 5 m2/g) and pore volume (0.31 cm3/g) which enhances the adsorption capacity. In addition, the prepared material showed excellent efficiency where the removal percentage reached 99.0±1% at the optimal operating conditions and the maximum adsorption capacity was 40 mg/g. This study delivers a full elucidation of the adsorption of MB dye by Fe3O4-SiO2 NPs which considers a promising inexpensive adsorbent. It also delivers important insight information about the adsorption process and the influence of each parameter, which fill the lack in this field. | ||
| کلیدواژهها | ||
| Adsorption؛ stain؛ Nanomaterials؛ Magnetite؛ and Silica | ||
| مراجع | ||
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