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- W4380290478 endingPage "8759" @default.
- W4380290478 startingPage "8749" @default.
- W4380290478 abstract "Highly efficient and reusable adsorbents for pesticide removal from wastewater have received increasing attention. In this study, Fe3O4 was synthesized using the solvothermal method. Fe3O4/xSiO2 and Fe3O4/xSiO2/ySiO2 were obtained through layer-by-layer silica (SiO2) coating on the surface of Fe3O4. SiO2 coating improved the dispersibility of the adsorbent, which can be separated from water rapidly under the action of the external magnetic field. The adsorption capacity of the adsorbent was investigated through removing pyraclostrobin from synthetic wastewater. The adsorbent showed the highest adsorption effect at the adsorbent concentration of 1 mg mL-1, at a pH of 7, and the adsorbent time of 110 min. The fitting model of the adsorption process conformed to the second-order kinetic model and the Langmuir model. The maximum adsorption capacity of Fe3O4/xSiO2/ySiO2 nanoparticles was 94.89 mg g-1, and the removal efficiency was about 96% at adsorption equilibrium. Acetone as the eluent can effectively desorb the adsorbent, and the desorbed adsorbent had high reusability. Particularly, the removal efficiency was still greater than 86% after 9 times of reuse. These results provide a reference for designing reusable nanoparticles to effectively absorb pesticides in wastewater." @default.
- W4380290478 created "2023-06-13" @default.
- W4380290478 creator A5004258040 @default.
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- W4380290478 creator A5029910266 @default.
- W4380290478 creator A5042460009 @default.
- W4380290478 creator A5048758517 @default.
- W4380290478 creator A5084321004 @default.
- W4380290478 date "2023-06-12" @default.
- W4380290478 modified "2023-09-23" @default.
- W4380290478 title "Construction of Fe<sub>3</sub>O<sub>4</sub>/<i>x</i>SiO<sub>2</sub>/<i>y</i>SiO<sub>2</sub> Nanoparticles for Pesticide Removal from Water: Improved Dispersion Stability and Adsorption Capacity" @default.
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