Study on the catalytic hydrogenation of dimethyl maleate over Ru-Ni/Al<sub>2</sub>O<sub>3</sub>

WANG Lei; QING Shao-jun; ZHAO Xian-mei; TANG Ya-kun; LIU Lang; GAO Zhi-xian

Volume 46 Issue 2

Feb. 2018

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Article Navigation > Journal of Fuel Chemistry and Technology > 2018 > 46(2): 251-256

WANG Lei, QING Shao-jun, ZHAO Xian-mei, TANG Ya-kun, LIU Lang, GAO Zhi-xian. Study on the catalytic hydrogenation of dimethyl maleate over Ru-Ni/Al2O3[J]. Journal of Fuel Chemistry and Technology, 2018, 46(2): 251-256.

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WANG Lei, QING Shao-jun, ZHAO Xian-mei, TANG Ya-kun, LIU Lang, GAO Zhi-xian. Study on the catalytic hydrogenation of dimethyl maleate over Ru-Ni/Al₂O₃[J]. Journal of Fuel Chemistry and Technology, 2018, 46(2): 251-256.

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Study on the catalytic hydrogenation of dimethyl maleate over Ru-Ni/Al₂O₃

WANG Lei^{1, 2},
QING Shao-jun³,
ZHAO Xian-mei^{1, 2},
TANG Ya-kun^{1, 2},
LIU Lang^{1, 2
,
,},
GAO Zhi-xian³

1.
School of Chemistry and Chemical Engineering, Xinjiang University, Urumqi 830046, China
2.
Key Laboratory of Energy Materials Chemistry, Ministry of Education, Institute of Applied Chemistry, Xinjiang University, Urumqi 830046, China
3.
Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China

More Information

Corresponding author: LIU Lang, Tel:0991-8588883, E-mail:liulang@xju.edu.cn, llyhs1973@sina.com
Received Date: 2017-05-17
Rev Recd Date: 2017-10-10

Available Online: 2021-01-23

Publish Date: 2018-02-10

Abstract

Abstract

A series of Ru-Ni/Al₂O₃ catalysts were prepared via adsorption-precipitation method, using Al₂O₃ as the support and RuCl₃·xH₂O and Ni(NO₃)₂·6H₂O as precursors.Effects of pretreatment conditions and the amount of Ni on the catalytic behaviors of the catalysts were investigated.The catalytic activities of Ni-modified Ru catalysts increased with the increase of the Ni content firstly and then decreased.The highest hydrogenation activity was obtained as the atomic ratio of Ni:Ru is 6:1.The catalytic activity of Ru₁Ni₆/Al-fresh subjected to reduction at 200℃ has no significant difference with the sample reduced at 400℃, reaching to 1.5 times that of Ru/Al₂O₃ with the same pretreatment.Based on the results of XPS, XRD and H₂-TPR, the reason for the promoted catalytic effect of Ni was disclosed.It was found that the dispersion of Ru could be improved as the promotion of Ni, resulting in the improvement of the catalytic performance of the Ru catalyst.
- Ru-Ni/Al₂O₃,
- catalytic hydrogenation,
- dimethyl maleate,
- dimethyl succinate

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References(19)

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