Dehydration of 2-(4′-ethylbenzoyl) benzoic acid to 2-ethylanthraquinone over H-β zeolite impregnated with citric acid

被引：0
|
作者：
Zhai Lingjuan [1 ]
Liu Min [1 ]
Dong Xiangmie [1 ]
Song Chunshan [1 ,2 ]
Guo Xinwen [1 ]
机构：
[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Liaoning, Peoples R China
[2] Penn State Univ, Dept Energy & Geoenvironm Engn, University Pk, PA 16802 USA
来源：
CHINESE JOURNAL OF CATALYSIS | 2008年 / 29卷 / 08期
关键词：
H-beta zeolite; citric acid; impregnation; 2-(4 '-ethylbenzoyl) benzoic acid; dehydration; 2-ethylanthraquinone;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
H-beta zeolite catalyst samples were prepared by impregnation with citric acid and were characterized by X-ray diffraction, X-ray fluorescence, Fourier transform infrared spectroscopy, nuclear magnetic resonance, and temperature-programmed desorption. The catalytic performance of the catalyst samples for dehydration of 2-(4'-ethylbenzoyl)benzoic acid (EBA) to 2-ethylanthraquinone (EAQ) was measured. The results showed that the impregnated samples remained the topological Structure of H-beta zeolite. There was more residual extra-framework aluminum and citric acid on the unwashed sample after impregnation. The sample washed with deionized water after impregnation exhibited high activity and selectivity in the reaction of EBA dehydration. The conversion of EBA was 96.5%, and the selectivity for EAQ was 96.0%.
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页码：701 / 704
页数：4
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