Preparation of Zr-MOFs and removal of tetracycline hydrochloride
Source abstract
Abstract
In this study, Zr-based metal–organic frameworks (Zr-MOFs) were synthesized via a solvothermal method using zirconium acetate and 3,3′,5,5′-tetramethylbenzidine as the metal precursor and organic ligand, respectively. The synthesized MOFs were characterized using Fourier-transform infrared spectroscopy, x-ray diffraction, and scanning electron microscopy. The adsorption efficiency of MOFs for tetracycline hydrochloride removal was investigated. Results revealed that adding 20 mg of MOFs to a 50 ppm tetracycline hydrochloride solution resulted in a maximum adsorption capacity of 240.3 mg/g within 5 h. Kinetic modeling confirmed that the adsorption process followed the pseudo-second-order kinetic model, while isothermal adsorption conformed to the Freundlich model. This indicates that multilayer adsorption was the dominant removal mechanism for tetracycline hydrochloride by MOFs.
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Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Metal-Organic Frameworks: Synthesis and Applications · Gas Sensing Nanomaterials and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Chemistry and Chemical Engineering, Anshun University , Anshun 561000, Guizhou,
Funding
Anshun University
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