UiO-66-derived porous-carbon adsorbents: synthesis, characterization and tetracycline adsorption performance

Lin, XY; Zeng, WP; Chen, YL; Su, T; Zhong, QH; Gong, LZ; Liu, YM

Abstract

A porous-carbon material UiO-66-C was prepared from metal-organic frameworks UiO-66 by carbonization in inert gas atmosphere. Physicochemical properties of UiO-66-C materials were well characterized by Powder X-ray diffraction (PXRD), Scanning electron microscope (SEM), Fourier-transform infrared spectroscopy (FT-IR), Raman spectrometer, N-2 adsorption/desorption isotherms (BET), and the adsorption properties of the products were studied UiO-66-C has a high specific surface area up to 1974.17 m(2)/g. Besides, the adsorption capacity of tetracycline could reach 678.19 mg/g, the adsorption processes agreed well with the pseudo-second-order kinetic model and Langmuir isotherm model.

Keywords: Metal-organic frameworks; Porous-carbon; Tetracycline; Adsorption

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