Lanthanum Modified Catalyst for Efficient Supply of Hydrogen through Dehydrogenation of Organic Chemical Hydrides


Article Preview

Dehydrogenation process of organic chemical hydrides was improved by modifying the catalyst of nickel-activated carbon (Ni/AC) with lanthanum (La). The catalysts were prepared in impregnation method with different amounts of La and Ni. The textural properties and morphology of catalyst were analyzed by nitrogen adsorption and transmission electron microscope equipped with energy dispersive spectrometer respectively. The effects such as metal content and granule size on the dehydrogenation of cyclohexane were investigated in fixed bed reactor. The results show that the metallic active components can be well dispersed on the support, and the elements analysis indicates the metal species tend to assemble on the surface layer rather than being distributed equally in the whole catalyst. The La modified catalyst LaNi/AC exhibited superior catalytic performance to Ni/AC and the conversion was 45% for LaNi/AC catalyst at 673K, while only 34 % for Ni/AC under the same conditions.



Advanced Materials Research (Volumes 287-290)

Edited by:

Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li




G. L. Zhu et al., "Lanthanum Modified Catalyst for Efficient Supply of Hydrogen through Dehydrogenation of Organic Chemical Hydrides", Advanced Materials Research, Vols. 287-290, pp. 2110-2115, 2011

Online since:

July 2011




[1] Y. Hida, Y. Ito, R. Yokoyama and K. Iba: 2010 45th International Universities Power Engineering Conference (UPEC 2010), IEEE Press, p.5.

[2] CE. Hoicka and IH. Rowlands: Rennewable Energy Vol. 36 (2011), pp.97-107.

[3] EP. Da Silva, AJM. Neto, PFP. Ferreira, JC. Camargo, FR. Apolinario and CS. Pinto: Solar Energy Vol. 78 (2005), pp.670-677.

[4] A. Demirbas: Applied Energy Vol. 88 (2011), pp.17-28.

[5] H. Lund and E. Münster: Applied Energy Vol. 76(2003), pp.65-74.

[6] N. Ouellette, HH. Rogner and DS. Scott: International Journal of Hydrogen Energy Vol. 22(1997), pp.397-403.

[7] F. Gutiérrez-Martín, JM. García-De María, A. Baïri and N. Laraqi: International Journal of Hydrogen Energy Vol. 34(2009), pp.8468-8475.


[8] GL. Zhu and BL. Yang: Progress in Chemistry Vol. 21(2009), pp.2760-2770 (In Chinese).

[9] Y. Saito, K, Aramaki, S. Hodoshima, M. Saito, A. Shono and J. Kuwano, et al.: Chemical Engineering Science Vol. 63(2008), pp.4935-4941.

[10] NS. Wade, PC. Taylor, PD. Lang and PR. Jones: Energy Policy Vol. 38 (2010), pp.7180-7188.

[11] N. Kariya, A. Fukuoka and M. Ichikawa: Applied Catalysis A-general Vol. 233 (2002), pp.91-102.

[12] T. Zaki: Petroleum Science and Technology Vol. 23 (2005), pp.1163-1181.

[13] YJ. Hou, YQ. Wang, F. He, WL. Mi, ZH. Li, and ZT. Mi, et al.: Applied Catalysis A: General Vol. 259(2004), pp.35-40.