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Abstract Zr-metal-organic frameworks (Zr-MOFs) were prepared by a solvothermal method and characterized by X-ray diffraction, scanning electron microscopy, and thermogravimetry. Zr-MOFs were used to remove doxycycline hydrochloride (DOC) from wastewater. According to the experimental results, the maximum adsorption capacity of DOC by Zr-MOFs within 5 h was 148.7 mg·g −1 . From the pseudo-second-order kinetics model, all R 2 values were greater than 0.99, which proved that the adsorption of DOC by Zr-MOFs was consistent with practice. According to the Freundlich isotherm model, the adsorption of DOC by Zr-MOFs proceeded via multilayer adsorption. The aforementioned results show that Zr-MOFs have good application prospects for removing DOC from wastewater.
Ren et al. (Sun,) studied this question.
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