Abstract
Novel conductive MOF magnetic particles Fe3O4@UiO-66-NH2@PANI (FUP) were prepared and combined with Ti/Sb–SnO2 electrodes to construct a dynamic system with improved electrochemical oxidation efficiency. Electrochemical tests revealed that the Ti/Sb–SnO2–FUP electrodes showed a high active specific surface area and low charge transfer resistance. Investigation of the effects of parameters such as dynamic particle loading, magnetic separation time, initial concentration, Na2SO4 dosage and solution pH on the methotrexate (MTX) degradation rate revealed that the degradation rate reached 97.5%. Electron paramagnetic resonance spectroscopy revealed that the Ti/Sb–SnO2–FUP electrodes could produce abundant hydroxyl radicals, possibly due to the unique pore structure of UiO-66-NH2 and the semiconductor structure of aniline. Finally, the decomposition pathway of MTX and ecotoxicity of the intermediates were analysed through LC-MS/MS and Toxicity Estimation Software Tool theoretical calculations combined with genotoxicity experiments. The results showed that Ti/Sb–SnO2–FUP could effectively reduce the toxicity of the intermediates. In this work, a dynamic electrooxidation system was developed using magnetic Ti/Sb–SnO2 electrodes coupled with MOFs, providing a new idea to improve the oxidative degradation efficiency of electrooxidation systems.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
