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Issue 9, 2018
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High-concentration organic dye removal using Fe2O3·3.9MoO3 nanowires as Fenton-like catalysts

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Abstract

In the past few years, nanomaterials have shown great potential for organic waste water treatment. Herein, we report the single-step ligand-free synthesis of Fe2O3·nMoO3 composites with different morphologies, including nanowires, bowknot-like microstructures, and urchin-like microstructures, through an oriented-attachment mechanism. It is the first time that Fe2O3·3.9MoO3 nanowires were synthesized successfully with tunable lengths from 5.1 μm to 37.4 μm as efficient and recyclable Fenton-like catalysts for Congo red. 97.8% degradation efficiency within 60 min and a kinetic constant of 9.0 × 10−3 L mg−1 min−1 according to the second order kinetic reaction equation were achieved. The degradation capacity for 250 mg L−1 Congo red is up to 231.4 mg g−1, which shows their excellent degradation ability at high dye concentrations. The Fe2O3·3.9MoO3 nanowires show great potential for organic pollutant removal.

Graphical abstract: High-concentration organic dye removal using Fe2O3·3.9MoO3 nanowires as Fenton-like catalysts

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Publication details

The article was received on 02 Apr 2018, accepted on 07 Aug 2018 and first published on 07 Aug 2018


Article type: Paper
DOI: 10.1039/C8EN00346G
Citation: Environ. Sci.: Nano, 2018,5, 2069-2076
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    High-concentration organic dye removal using Fe2O3·3.9MoO3 nanowires as Fenton-like catalysts

    Y. Su, X. Zhao, Y. Bi, C. Li, Y. Feng and X. Han, Environ. Sci.: Nano, 2018, 5, 2069
    DOI: 10.1039/C8EN00346G

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