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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2025.2
- 수록면
- 171 - 187 (17page)
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The advanced oxidation process based on hydrogen peroxide (H₂O₂) can effectively degrade tetracycline hydrochloride (TC). The key to activating H₂O₂ for the degradation of organic pollutants lies in the exploration of efficient and cost-effective catalysts. Natural coal gangue (CG), a byproduct of coal mining, holds potential for use in catalytic oxidation of pollutants. Zeolitic imidazolate framework-67 (ZIF-67) is commonly employed to activate sulfate systems, serving as a highly efficient Co-based heterogeneous catalyst that promotes the generation of strong oxidation species. However, there has been no relevant research on using CG to load ZIF-67 for the activation of H₂O₂ in pollutant degradation. In this study, ZIF-67/CG catalysts were prepared, with ZIF-67 and CG serving as precursors for the highly efficient activation of H₂O₂. X-ray photoelectron spectroscopy (XPS) and Fourier-transform infrared spectroscopy (FTIR) confirmed that ZIF-67/CG possesses a favorable ability to activate H₂O₂. The results revealed that the degradation efficiency of TC in the ZIF-67/CG/H₂O₂ system reached 82.8% within 60 minutes. Radical quenching experiments, electron paramagnetic resonance (EPR) analysis, and an analysis of the degradation mechanism identified that ･OH and ¹O₂ played major roles in TC degradation.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
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