Oxidative steam reforming of methanol

S. Velu, K. Suzuki, M. Okazaki, M. P. K oor, T. Osaki, andF. Ohashi, Oxidative steam reforming of methanol over CuZnAl(Zr)-oxide catalysts for flie selective production of hydrogen for fuel cells Catalyst characterization and performance evaluation, J. Catal. 194,373 (2000). 

Velu S, Suzuki K. Selective production of hydrogen for fuel cells via oxidative steam reforming of methanol over CuZnAl oxide catalysts effect of substitution of zirconium and cerium on the catalytic performance. Top Catal. 2003 22(3-4) 235-44. 

Turco M, et al. Production of hydrogen from oxidative steam reforming of methanol -I. Preparation and characterization of Cu/ZnO/Al2C>3 catalysts from a hydrotalcite-like LDH precursor. J Catal. 2004 228(l) 43-55. 

Table 2.22. Thermodynamic Data Using Lower Heating Values for the Oxidative Steam Reforming of Methanol CH3OH(g) + 0.8H2O(g) + 0.1O2(g) - 2.8H2(g) + C02(g)...

Figure 2.17. Effect of temperature on equilibrium compositions in steam reforming and oxidative steam reforming of methanol for H2 production.

Figure 2.18. Temperature-programmed reduction profiles of CuZnAlZr oxide catalysts for oxidative steam reforming of methanol. Note that a gradual shift in peak maximum toward lower temperatures, when A1 is substituted by Zr, indicates an improvement in CuO reducibility upon A1 substitution by Zr in the Cu/Zn0-Al203 formulation. Adapted from Velu et al.177...

Shan, W., Feng, Z., Li, Z., Zhang, J., Shen, W., and Li, C. Oxidative steam reforming of methanol on CeogCuo.iOy catalysts prepared by deposition-precipitation, coprecipitation, and complexation-combustion methods. Journal of Catalysis, 2004, 228 (1), 206. 

Umegaki, T., Masuda, A., Omata, K., and Yamada, M. Development of a high performance Cu-based ternary oxide catalyst for oxidative steam reforming of methanol using an artificial neural network. Applied Catalysis. A, General, 2008, 351 (2), 210. 

An alternative to filling or coating with a catalyst layer the microcharmels, with the related problems of avoiding maldistribution, which leads to a broad residence time distribution (RTD), is to create the microchannels between the void space left from a close packing of parallel filaments or wires. This novel MSR concept has been applied for the oxidative steam reforming of methanol [173]. Thin linear metallic wires, with diameters in the millimeter range, were close packed and introduced into a macro tubular reactor. The catalyst layer was grown on the external surface of these wires by thermal treatment. 

Homy et al. [51,52] used brass wires as a structured packed bed for the oxidative steam reforming of methanol. Their investigations show that the leaching by a basic medium can be carried out simultaneously with a metal doping by impregnation or precipitation. The doping was performed to increase the selectivity of the catalyst and its stability under reaction conditions. 

Turco. M., Bagnasco, G., Costantino, U., Marmottini. F.. Montanari, T., Ramis, G. and Busca. G. (2004). Production of hydrogen from oxidative steam reforming of methanol II. Catalytic activity and reaction mechanism on Ca Zn0/Al203 hydroialcitc-derived catalysts. J. Catal., 228, 43-55. 

Patel, S., Pant, K. K. (2007). Selective production of hydrogen via oxidative steam reforming of methanol using Cu-Zn-Ce-Al oxide catalysts. Chemical Engineering Science, 62, 5436-5443. 

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