Effects of metal doping on ozone degradation of tributyl phosphate on Al₂O₃-ZSM-5 catalyst
by Gang Li; Songlin Zheng; Xiangping Su; GuiShan Chen
International Journal of Environment and Pollution (IJEP), Vol. 73, No. 1/2/3/4, 2023

Abstract: In this study, we utilised a commonly used Al₂O₃-ZSM-5 support and impregnated it with different combinations of MnFe, MnCu, and MnCo atoms. These newly created materials were then tested in a flow reactor designed in our laboratory to assess their effectiveness in activating ozone for the decomposition of tributyl phosphate (TBP). Our findings highlight the manganese-iron catalyst as the preferred choice, characterised by a manganese content of 5.0% and an iron content of 2.0%. Under specific reaction conditions of a flow volume of 500 mL/L, a reaction time of 6.5 h, and a reaction temperature of 80°C, we observed a significant decrease in the chemical oxygen demand (COD) of the solution to 372 mg/L. These results demonstrate the superior performance of this process and catalyst in the treatment of TBP.

Online publication date: Mon, 08-Jul-2024

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