4.7 Article

Rapid degradation of Direct Blue dye by Co-based amorphous alloy wire

Journal

JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 576, Issue -, Pages -

Publisher

ELSEVIER
DOI: 10.1016/j.jnoncrysol.2021.121282

Keywords

Co-based amorphous alloy; Wastewater degradation; Recycling; Bimetal synergy

Funding

  1. National Natural Science Foundation of China [52071276]
  2. Natural Science Founda-tion of Chongqing, China [cstc2019jcyj-msxmX0059, cstc2020jcyj-msxmX0933]

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Amorphous alloys have shown excellent catalytic performance in the degradation of azo dye wastewater, but high degradation efficiency and reusability have been unsatisfactory for a long time. In this study, a new Co-Mo-B amorphous alloy wire was reported, which exhibited rapid degradation and excellent reusability. These findings provide a new idea for the development of amorphous alloys in the degradation of azo dye wastewater.
Amorphous alloys exhibit excellent catalytic performance in the degradation of azo dye wastewater due to their unique atomic structure. Unfortunately, amorphous alloys with both high degradation efficiency and consider-able reusability are still unsatisfactory for a long time. In this work, a new Co-Mo-B amorphous alloy wire re -ported can degrade the Direct Blue 6 (DB 6) solution within 2 min with a degradation efficiency of 99%. Importantly, the novel Co-based amorphous alloy also exhibits excellent reusability with 97% degradation ef-ficiency after 20 cycles. The superior degradation performance and good long-term reactivity are mainly due to the synergistic coordination of Co and Mo bimetals and the self-exfoliation effect of the corrosion products. Such findings can provide a new idea for the development of amorphous alloys in the degradation of azo dye wastewater.

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