Abstract
β-Mo2C and Co/β-Mo2C catalysts were prepared by a single-step thermal decomposition method. The synthesized carbides were characterized and their catalytic performances on methanation were evaluated. The results showed that the β-Mo2C exhibited high CO conversion (XCO), but its CH4 selectivity (SCH4) was low and the activity was not stable due to the hydrogenation of carbidic carbon in the β-Mo2C. While the Co/β-Mo2C exhibited an excellent activity and stability, this is ascribed to the Co3Mo3C in Co–Mo carbide, which was more active and stable during methanation.
Published Version
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