Ni-MgO catalysts have been widely applied for carbon dioxide reforming (CDR) reaction due to their ability of anti-carbon formation. However, activation of Ni-MgO catalyst consumes considerable energy because of its very low reducibility. In this study, ZrO2, CeO2, and CeO2-ZrO2 promoted Ni-MgO catalysts were prepared via a facile coprecipitation method and applied to the CDR reaction. Among the prepared catalysts, the ZrO2-promoted Ni-MgO catalyst showed the highest methane conversion. The high catalytic performance of the ZrO2-promoted Ni-MgO catalyst is mainly due to easier reducibility, high Ni dispersion, and high specific surface area.

中文翻译：

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可还原氧化物（CeO2、ZrO2 和 CeO2-ZrO2）促进 Ni-MgO 催化剂用于甲烷反应的二氧化碳重整

Ni-MgO催化剂因其抗碳形成能力而被广泛应用于二氧化碳重整（CDR）反应。然而，Ni-MgO 催化剂的活化因其非常低的还原性而消耗相当多的能量。在本研究中，通过简便的共沉淀方法制备了 ZrO2、CeO2 和 CeO2-ZrO2 促进的 Ni-MgO 催化剂，并将其应用于 CDR 反应。在制备的催化剂中，ZrO2 促进的 Ni-MgO 催化剂显示出最高的甲烷转化率。ZrO2 促进的 Ni-MgO 催化剂的高催化性能主要是由于更容易还原、Ni 分散性高和比表面积高。