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Hierarchically porous ZIF-8 for tetracycline hydrochloride elimination by Jie Peng; Zhe Zhang; Chengyue Hu; Zhen Wang; Yuchen Kang; Wenqing Chen; Tianqi Ao is a Materials Science article available to read on EtoBox.
What is Hierarchically porous ZIF-8 for tetracycline hydrochloride elimination about?
Herein, hierarchically porous ZIF-8 (HZIF-8) adsorbents were prepared successfully with the assistance of sodium dodecyl sulfonate (SDS) through a facile one-pot self-assembly method at room temperature, and their adsorption of tetracycline hydrochloride (TCH) was studied in water by bath adsorption experiments. The structural characteristics of the adsorbents were confirmed by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR), and N 2 adsorption/desorption measurements. The research results indicated that the final hierarchically porous ZIF-8 with a large Brunauer-Emmett-Teller (BET) specific surface area (1423.78 m 2 g -1 ) had a higher TCH adsorption capacity (574.71 mg g -1 ) than microporous ZIF-8 by improving the mass transfer rate. The adsorption isotherm was expressed well by the Freundlich isotherm model and the kinetic data fit the pseudo-second-order kinetic model better. Mechanistic studies implied that coordinate bonds, π-π interactions and electrostatic interactions played vital roles in the TCH adsorption process based on the effect of pH, zeta potential of adsorbents, and X-ray photoelectron spectroscopy (XPS). Moreover,
Who reads Hierarchically porous ZIF-8 for tetracycline hydrochloride elimination?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Jie Peng; Zhe Zhang; Chengyue Hu; Zhen Wang; Yuchen Kang; Wenqing Chen; Tianqi Ao
- Publisher
- Springer Science and Business Media LLC
- Published
- 2021
- Language
- EN
- Field
- Materials Science (Physical Sciences)