Degradation of Tetracyclines in Water by Activating Peroxymonosulfate with Zeolitic Imidazolate Framework 67 Derivatives

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Catalysis Letters Pub Date : 2025-01-21 DOI:10.1007/s10562-025-04931-y

Yuan Li, Chao Li, Kaiqi Zhang, Jiashun Cao

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Abstract

Transition metals have a broad application prospect in sulfate radical-advanced oxidation process (SR-AOP) due to their advantages of high activation efficiency and no external energy input. However, transition metals present several challenges, including a cumbersome preparation process, low effective utilization of metal sites and leakage of metal ions. These limitations hinder the practical application of transition metals in sulfate radical-advanced oxidation process. In this study, ZIF67-Co₃O₄ catalyst was prepared using zeolite imidazolium framework derivatives as precursor. The performance of ZIF67-Co₃O₄ activated persulfate for the degradation of tetracycline (TC) and various factors affecting the degradation performance were investigated. The degradation reaction mechanism was also summarized. The experimental results showed that: The TC removal rate of ZIF67-Co₃O₄ + PMS system was 75.07% at 90 min, which possessed high removal efficiency. The ZIF67-Co₃O₄ catalyst exhibited high stability, it had a high catalytic activity after five recycling cycles. The active radicals generated by ZIF67-Co₃O₄ activated PMS degradation of TC pollutants were ·OH, SO₄⁻·, ¹O₂, and ·O₂⁻.

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.