Mediatory role of K, Cu and Mo over Ru/SiO2 catalysts for glycerol hydrogenolysis

Xiaoyuan Liao; Kewen Li; Xiaomin Xiang; Sheng-Guang Wang; Xichun She; Yulei Zhu; Yongwang Li

Journal of Industrial and Engineering Chemistry, Vol.18, No.2, 818-821, March, 2012

DOI10.1016/j.jiec.2011.10.004 Export Citation

Mediatory role of K, Cu and Mo over Ru/SiO2 catalysts for glycerol hydrogenolysis

Xiaoyuan Liao^{1, 2, †}, Kewen Li³, Xiaomin Xiang^{4, 3}, Sheng-Guang Wang⁴, Xichun She³, Yulei Zhu⁴, and Yongwang Li⁴

¹Sinopec catalyst company, 100011, Beijing, China
²State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Hunan Changling Petrochemical S&T Developing Co., Ltd., Taiyuan 030001, China, Yueyang 414012, Hunan, China
³Hunan Changling Petrochemical S&T Developing Co., Ltd., Yueyang 414012, Hunan, China
⁴State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China

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SiO2 supported ruthenium catalysts with and without modifiers were prepared, characterized and tested for glycerol hydrogenation. Addition of K, Cu and Mo affects the reducibility and acidity of the Ru/SiO2 catalyst. Characterization data shows that Cu and Mo-modified Ru/SiO2 have stronger acidity. On the contrary, K element on a passive effect on the acidity of Ru based catalyst had been observed. A comparison with the pure Ru/SiO2 indicates the Cu-promoted specimen has better selective to the desired products, acetol, 1,2-propanediol and ethyl glycol, although the reactivity is slightly lower.

Keywords:Glycerol;Hydrogenolysis;Modified ruthenium catalysts;Acidity

[References]

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[Referenced By]

[1] Soares RR, Simonetti DA, Dumesic JA, Angew. Chem. Int. Ed., 45, 3982 (2006)

[2] Sivasamy A, Cheah KY, Fornasiero P, Kemausuor F, Zinoviev S, Miertus S, ChemSusChem., 2, 278 (2009)

[3] Pagliaro M, Ciriminna R, Kimura H, Rossi M, Pina CD, Angew. Chem. Int. Ed., 46, 2 (2009)

[4] Pagliaro M, Rossi M, The Future of Glycerol: New Uses of a Versatile Raw Material, RSC Publishing, Cambridge, UK (2008)

[5] Zhou CH, Beltramini JN, Fan YX, Chem. Soc. Rev., 37, 527 (2008)

[6] Nakagawa Y, Shinmi Y, Koso S, Tomishige K, J. Catal., 272(2), 191 (2010)

[7] Ma L, He D, Top. Catal., 52, 834 (2009)

[8] Montassier C, Menezo JC, Hoang LC, Renaud C, Barbier J, J. Mol. Catal., 70, 99 (1991)

[9] Ma L, He D, Li Z, Catal. Commun., 9, 2489 (2008)

[10] Huang L, Zhu YL, Zheng HY, Ding GQ, Li YW, Catal. Lett., 131(1-2), 312 (2009)

[11] Yan QG, Wu TH, Weng WZ, Toghiani H, Toghiani RK, Wan HL, Pittman CU, J. Catal., 226(2), 247 (2004)

[12] Liu JL, Zhu LJ, Pei Y, Zhuang JH, Li H, Li HX, Qiao MH, Fan KN, Appl. Catal. A: Gen., 353(2), 282 (2009)

[13] Suprun W, Lutecki M, Haber T, Papp H, J. Mol. Catal. A-Chem., 309(1-2), 71 (2009)

[14] Chaminand J, Djakovitch L, Gallezot P, Marion P, Pinel C, Rosier C, Green Chem., 6, 359 (2004)