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The catalytic performance of Cu46Zr47-xAl7Yx amorphous ribbons in the degradation of AO II dye wastewater

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Abstract

Metallic glasses (MGs) with unique disordered atomic stacking structures exhibit excellent catalytic performance in wastewater treatment. The catalytic degradation of Orange II (AO II) aqueous solutions by four CuZr-based MG ribbons under such processing parameters as pH values, the dosage of ribbons, and temperature was investigated in this paper. The catalytic performance of the MG ribbons was characterized by using the degradation efficiency of the dye wastewater. The phase constituent, surface morphology, and chemical valence state of elements on the surface of MG ribbons before and after use were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS), respectively. The results indicate that the Cu46Zr42Al7Y5 MG ribbon has the best catalytic performance among the Cu46Zr47-xAl7Yx (x = 0, 1, 3, 5) MGs in the degradation process, and the dye in the wastewater can almost be completely decolorized within 60 min under the conditions of pH = 2, the dosage of ribbons being 1.8 g/L and water bath temperature of 313 K, with the degradation efficiency and chemical oxygen demand removal being 96.05% and 51.73%, respectively. Furthermore, the Cu46Zr42Al7Y5 MG ribbon still shows superior structural stability and degradation performance after repeated use, and the corrosion pits on the MG surface promote the physicochemical reaction between the wastewater and the ribbons.

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The datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The authors are thankful to Shenyang National Laboratory for Materials Science, Institute of Metal Research for providing X-ray photoelectron spectroscopy characterization facilities.

Funding

This work was supported by Liaoning Joint Fund of NSFC (No. U1908219) and Liaoning Natural Science Foundation (No. 2020-KF-14-03).

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Contributions

Conceptualization: Keqiang Qiu. Data curation: Xue Yang, Keqiang Qiu. Formal analysis: Qingchun Xiang, Yinglei Ren, Keqiang Qiu. Funding acquisition: Keqiang Qiu. Investigation: Xue Yang, Xiaochen Xu. Methodology: Xue Yang, Keqiang Qiu. Project administration: Keqiang Qiu. Resources: Qingchun Xiang, Yingdong Qu, Yinglei Ren, Keqiang Qiu. Supervision: Keqiang Qiu. Validation: Keqiang Qiu. Visualization: Xue Yang, Xiaochen Xu, Yinglei Ren. Writing-original draft: Xue Yang. Writing—review and editing: Xue Yang, Qingchun Xiang, Yinglei Ren, Keqiang Qiu.

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Correspondence to Yingdong Qu or Keqiang Qiu.

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Responsible editor: Santiago V. Luis

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Yang, X., Xu, X., Xiang, Q. et al. The catalytic performance of Cu46Zr47-xAl7Yx amorphous ribbons in the degradation of AO II dye wastewater. Environ Sci Pollut Res 28, 48038–48052 (2021). https://doi.org/10.1007/s11356-021-14102-2

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  • DOI: https://doi.org/10.1007/s11356-021-14102-2

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