Abstract
The possibility of preparing one-body catalyst was investigated for heterogeneous Fenton-like reactions by coating magnetite powder on metal foams. Up to 10 wt% magnetite could be coated onto metal foams with strong enough adhesion. The catalytic efficiency of the catalyst was investigated using a model reaction of methylene blue degradation at a circumneutral pH using H2O2 as the source of OH radicals and oxalic acid as the chelating agent. Comparison with conventional magnetite powder indicated that the catalytic efficiency of magnetite-coated metal foam was better than that of the powder only due to a larger exposed surface area. After treatment, separation of the one-body catalyst was easier and cleaner than that of conventional magnetite powder catalyst.
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This work was financially supported by the KIST–UNIST partnership program (UNIST 2.140442.01) and by a grant from the future program of KIST (2E25371).
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Do, T.M., Byun, J.Y. & Kim, S.H. Magnetite-coated metal foams as one-body catalysts for Fenton-like reactions. Res Chem Intermed 43, 3481–3492 (2017). https://doi.org/10.1007/s11164-016-2440-z
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DOI: https://doi.org/10.1007/s11164-016-2440-z