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Research Article | Open Access

Catalytic liquid phase oxidation of 1,4-dioxane over a Pt/CeO2–ZrO2–Bi2O3/SBA-16 catalyst

Pil-Gyu CHOI, Takanobu OHNO, Nashito FUKUHARA, Toshiyuki MASUI, Nobuhito IMANAKA()
Department of Applied Chemistry, Faculty of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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Abstract

A Pt/CeO2–ZrO2–Bi2O3/SBA-16 (Santa Barbara Amorphous No. 16) catalyst was prepared by hydrothermal and wet impregnation methods for catalytic purification of 1,4-dioxane in water. SBA-16 has a number of mesopores and the average size of the pores is 9.4 nm. In the present catalyst, platinum and CeO2–ZrO2–Bi2O3 were successfully dispersed in the pores of the SBA-16 support, and the temperature dependence of the liquid phase oxidation of 1,4-dioxane was examined. The oxidation reaction proceeded effectively in the air atmosphere in the temperature range of 40– 80 ℃.

Keywords

composite materialsoxidationporous materials1,4-dioxanecatalyst

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Journal of Advanced Ceramics
Volume 4 Issue 1,
March 2015
Pages 71-75
DOI: 10.1007/s40145-015-0135-3
Cite this article:
CHOI P-G, OHNO T, FUKUHARA N, et al. Catalytic liquid phase oxidation of 1,4-dioxane over a Pt/CeO2–ZrO2–Bi2O3/SBA-16 catalyst. Journal of Advanced Ceramics, 2015, 4(1): 71-75. https://doi.org/10.1007/s40145-015-0135-3
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10.1007/s40145-015-0135-3.T001Residual percentage of 1,4-dioxane after the 4 h reaction in the air atmosphere

Reaction temperature (℃)Residual percentage of 1,4-dioxane (%)
SBA-16CZB/SBA-16Pt/SBA-16Pt/CZB/SBA-16
4074676560
6079686449
8075535041

10.1007/s40145-015-0135-3.T002Rate of decrease in 1,4-dioxane after the 4 h reaction in the air atmosphere

Reaction temperature (℃)Rate of decrease in 1,4-dioxane (%)
CZB/SBA-16Pt/SBA-16Pt/CZB/SBA-16
407914
60111530
80222534

10.1007/s40145-015-0135-3.T003Rate of decrease in 1,4-dioxane after the reaction at 80 ℃ for 2 h, 4 h and 6 h

Reaction time (h)Residual percentage of 1,4-dioxane (%)Rate of decrease in 1,4-dioxane (%)
SBA-16Pt/CZB/SBA-16
2736013
4754134
6763838