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Citation: ZHANG Rui-Min, FAN Guang-Yin, LI Cheng, WANG Ying-Ying, LI Rui-Xiang, CHEN Hua, LI Xian-Jun. Hydrogenation of Quinoline over Ru/ZrO₂·xH₂O[J]. Acta Physico-Chimica Sinica doi: 10.3866/PKU.WHXB200806081 shu

Hydrogenation of Quinoline over Ru/ZrO₂·xH₂O

1.
Key Laboratory of Green Chemistry and Technology of the Ministry of Education, Institute of Homogeneous Catalysis, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China

Received Date: 8 January 2008
Available Online: 16 April 2008

The highly dispersed supported catalyst (Ru/ZrO2·xH2O) was prepared and characterized by X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microsocpy. The results showed that ruthenium was reduced to low oxidation state and the average partical diameter of Ru particles was about 3.8 nm. The catalyst exhibited high activity in hydrogenation of quinoline under the mild reaction conditions, 40 ℃, 2 MPa, quinoline/Ru molar ratio of 250/1 and H2O as solvent. The conversion of quinoline was 98.2% and the selectity of 1,2,3,4-tetrahydroquinoline was 98.0%. The catalyst can be reused for several times. The mechanismof quinoline hydrogenation over Ru/ZrO2·xH2Ocatalyst was discussed. The coordination of nitrogen atomof quinoline on the surface of ruthenium nanoparticles and the effect of hydrogen bond between OH groups on ZrO2 surface and nitrogen in quinoline were favourable for the desorption of the substrate and products fromthe surface of catalyst.
- Ruthenium; Zirconia; Supported catalyst; Quinoline; Hydrogenation; Tetrahydroquinoline
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沈阳化工大学材料科学与工程学院沈阳 110142

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Hydrogenation of Quinoline over Ru/ZrO2·xH2O

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通讯作者: 陈斌, bchen63@163.com

Hydrogenation of Quinoline over Ru/ZrO₂·xH₂O