High catalytic efficiency in liquid-phase oxidation of 1,4-dioxane using a Pt/CeO2-ZrO2-SnO2/SBA-16 catalyst

被引：10
作者：
Choi, Pil-Gyu [1 ]
Nunotani, Naoyoshi [1 ]
Imanaka, Nobuhito [1 ]
机构：
[1] Osaka Univ, Fac Engn, Dept Appl Chem, Osaka, Japan
来源：
INTERNATIONAL JOURNAL OF APPLIED CERAMIC TECHNOLOGY | 2017年 / 14卷 / 01期
关键词：
catalysts; cerium compounds; oxidation; rare earths; DEGRADATION; ACETALDEHYDE; REMOVAL; OZONE;
D O I：
10.1111/ijac.12609
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A Pt/CeO2-ZrO2-SnO2/SBA-16 (SBA-16: Santa Barbara Amorphous No. 16) catalyst was developed for the efficient removal of 1,4-dioxane. Because the catalyst showed synergistic action between the high catalytic activity of Pt and the high oxygen release and storage abilities of CeO2-ZrO2-SnO2, high catalytic efficiency in the liquid phase was obtained in an air atmosphere without the supply of any strongly oxidizing additives or photoirradiation. After reaction at 80 degrees C for 4 h, the residual percentage of 1,4-dioxane reached 31%. Furthermore, the Pt/CeO2-ZrO2-SnO2/SBA-16 catalyst exhibited high reusability and durability and the rate of net decrease in 1,4-dioxane reached 44% at 80 degrees C.
引用
收藏
页码：9 / 15
页数：7
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