Bimetallic Fe/Co-ZIF MOFs-Decorated Nanofibrous Aerogel as Peroxymonosulfate Activator for Efficient Degradation of Organic Dyes 


Vol. 26,  No. 3, pp. 1135-1146, Mar.  2025
10.1007/s12221-025-00852-0


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  Abstract

Metal organic framework (MOF)-based catalysts have gained tremendous interest for radical-based advanced oxidation processes and are considered as promising candidates for remediation of organic wastewater. However, the inherent powder nature of traditional MOF catalysts limits their practical applications. In this study, a novel three-dimensional (3D) monolithic bimetallic Fe/Co-ZIF@ poly(vinyl alcohol) (PVA)/polyacrylic acid (PAA) nanofibrous aerogel (NFA) with 3D hierarchical porous structure was constructed that could activate peroxymonosulfate (PMS) for degradation of organic pollutants. The morphology and structure were investigated by SEM, FTIR, and XPS. The effects of molar ratios of Fe/Co, initial pH, reaction temperature, PMS concentration, and initial Rhodamine B (RhB) concentration on the degradation of RhB were systematically evaluated. Under optimal experimental conditions, the degradation efficiency of RhB by Fe/Co-ZIF@PVA/PAA NFA/PMS system could reach 99.4% with reaction rate constant of 2.3588 min−1 within 10 min. Additionally, the main reactive oxygen species involved in the degradation of pollutants were identified through quenching experiments and electron paramagnetic resonance (EPR) analysis. Besides, Fe/Co-ZIF@PVA/PAA NFA had good reusability. This study provides new insights into the designing of 3D MOF-based catalysts for efficient treatment of organic wastewaters through PMS activation.

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  Cite this article

[IEEE Style]

Y. Song, L. Xu, J. Zheng, X. Shi, H. Ye, H. Sun, Y. Yu, Y. Liu, F. Ni, Y. Chen, G. Jiang, "Bimetallic Fe/Co-ZIF MOFs-Decorated Nanofibrous Aerogel as Peroxymonosulfate Activator for Efficient Degradation of Organic Dyes," Fibers and Polymers, vol. 26, no. 3, pp. 1135-1146, 2025. DOI: 10.1007/s12221-025-00852-0.

[ACM Style]

Yuanyuan Song, Luyao Xu, Jiaqi Zheng, Xiaotong Shi, Huanyu Ye, Haowei Sun, Yanchao Yu, Yuqi Liu, Feiyun Ni, Yifei Chen, and Guojun Jiang. 2025. Bimetallic Fe/Co-ZIF MOFs-Decorated Nanofibrous Aerogel as Peroxymonosulfate Activator for Efficient Degradation of Organic Dyes. Fibers and Polymers, 26, 3, (2025), 1135-1146. DOI: 10.1007/s12221-025-00852-0.