Abstract
The preparation and performance of a Ti/IrO2–RuO2–TiO2 anode in the removal of chemical oxygen demand (COD) from biochemically treated landfill leachate by the Fered-Fenton process were investigated. The Taguchi design was applied to obtain the optimal conditions for preparation of the Ti/IrO2–RuO2–TiO2 anode by thermal decomposition method. The optimal preparation conditions were as follows: Ir and Ru molar contents of 20% and 30%, respectively, a calcine temperature of 500 °C and a precursor solvent of HCl + butyl alcohol. After a 50-min Fered-Fenton treatment, 77.9% of the COD was removed from biochemically treated leachate using the electrode prepared under the optimal conditions derived from the Taguchi method.
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Acknowledgements
This work was supported by the National High-Tech R&D Program (863 Program) of China (Grant No. 2008AA06Z332), Wuhan Science and Technology Bureau through “The Gongguan Project” (Grant No. 201060723313), Natural Science Foundation of Hubei Province (Grant No. 2014CFB334), the R&D Project of Ministry of Housing and Urban–Rural Development of the People’s Republic of China (Grant No. 2015-K7-011).
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Jun Zhang is the co-first author.
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Bai, X., Zhang, J., Wu, X. et al. A Ti/IrO2–RuO2–TiO2 anode in the Fered-Fenton process: preparation and performance in the removal of chemical oxygen demand from biochemically treated leachate. Chem. Pap. 73, 1145–1152 (2019). https://doi.org/10.1007/s11696-018-0665-6
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DOI: https://doi.org/10.1007/s11696-018-0665-6