Preparation of Zn/Zr-MOFs by microwave-assisted ball milling and adsorption of lomefloxacin hydrochloride and levofloxacin hydrochloride in wastewater.

The Zn/Zr-MOFs were synthesized via microwave-assisted ball milling and subsequently characterized using Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The thermal stability of the Zn/Zr-MOFs was evaluated through thermogravimetry (TGA). The results demonstrated the exceptional adsorption properties of the Zn/Zr-MOFs towards Lomefloxacin hydrochloride and Levofloxacin hydrochloride. At a concentration of 30 ppm for Lomefloxacin hydrochloride, the addition of 30 mg of Zn/Zr-MOFs material resulted in an adsorption capacity of 179.2 mg•g−1. Similarly, at a concentration of 40 ppm for Levofloxacin hydrochloride, the addition of 30 mg Zn/Zr-MOFs material led to an adsorption capacity of 187.1 mg•g−1. Kinetic analysis revealed that the experimental data aligned well with a pseudo-second order kinetic model. Overall, these findings highlight the significant potential application of Zn/Zr-MOF materials in wastewater treatment. • Zn/Zr-MOFs with excellent properties was synthesized by microwave-assisted ball milling and investigated for lomefloxacin hydrochloride and levofloxacin hydrochloride adsorption. • Zn/Zr-MOFs exhibited a maximum lomefloxacin hydrochloride and levofloxacin hydrochloride adsorption capacity of 179.2 and 187.1 mg/g from aqueous solution. • This adsorption process conformed to the pseudo-second-order kinetics and the influence factor of adsorption by Zn/Zr-MOFs. [ABSTRACT FROM AUTHOR]