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The resin-supported iron-copper bimetallic composite as highly active heterogeneous Fenton-like catalysts for degradation of gaseous toluene

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Abstract

In this study, a resin-supported iron-copper bimetallic heterogeneous Fenton catalyst with excellent removal performance, superior economy and outstanding recoverability was synthesized by an impregnation method and used to remove gaseous toluene. Experiments disclosed that 3-FeCu@LXQ-10 possessed extremely high catalytic capacity. At a temperature of 30 °C, an initial toluene concentration of 200 mg/m3 and H2O2 atomization amount of 3 mmol/h, the toluene removal efficiency of 3-FeCu@LXQ-10 was 97.50%. Experimental tests had revealed that the bimetallic supported catalysts exhibited higher catalytic activity than single metal–supported catalysts, owing to an interaction effect between iron and copper metal ions. Furthermore, electron paramagnetic resonance (EPR) and radical quenching tests were carried out, and the results indicated OH radicals performed a key role in the Fenton-like process. In addition, the iron-copper bimetallic catalysts exhibited good reusability and stability characteristics during six degradation cycles. This study shows promising potential in using FeCu@LXQ-10 as a heterogeneous catalyst for removing toluene.

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All data generated or analyzed during this study are included in this published article and its supplementary information files.

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Funding

This work was supported by the National Natural Science Foundation of China (NSFC) (51906114, 52206154) and Nature Science Foundation of Jiangsu Province (BK20220376) and Postgraduate Research & Practice Innovation Program of Jiangsu Province (181200003023188).

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Zhaohui Du: investigation, data curation, validation, writing-original draft, Changsong Zhou: writing — review and editing, funding acquisition, Wenjuan Zhang: investigation, data curation; Yujia Song: software, investigation, Biao Liu: resources, formal analysis, Hao Wu: methodology, visualization, Zhen Zhang: validation, methodology, Hongmin Yang: supervision, project administration.

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Correspondence to Changsong Zhou.

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Responsible Editor: Guilherme Luiz Dotto

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Du, ., Zhou, C., Zhang, W. et al. The resin-supported iron-copper bimetallic composite as highly active heterogeneous Fenton-like catalysts for degradation of gaseous toluene. Environ Sci Pollut Res 30, 94611–94622 (2023). https://doi.org/10.1007/s11356-023-29089-1

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  • DOI: https://doi.org/10.1007/s11356-023-29089-1

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