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Frontiers of Chemical Science and Engineering >> 2013, Volume 7, Issue 1 doi: 10.1007/s11705-013-1301-1

Effect of a promoter on the methanation activity of a Mo-based sulfur-resistant catalyst

1. Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; 2. National Institute of Clean-and-Low-Carbon Energy, Beijing 102209, China

Available online: 2013-03-05

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Abstract

The effect of adding Co, Ni or La on the methanation activity of a Mo-based sulfur-resistant catalyst was investigated. As promoters, Co, Ni and La all improved the methanation activity of a 15% MoO /Al O catalyst but to different extents. Similar improvements were also found when Co, Ni or La was added to a 15% MoO /25%-CeO -Al O catalyst. The promotion effects of Co and Ni were better than that of La. However, the catalytic methanation activity deteriorated the most with time for the Ni-promoted catalyst. The used catalysts were analyzed by nitrogen adsorption measurement, X-ray diffraction and X-ray photoelectron spectroscopy.

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