Mesoporous nanocrystalline 25 wt.%Ni-M-Al₂O₃ (M = CeO₂, La₂O_3, and ZrO₂) powders were synthesized by the ultrasonic assisted co-precipitation method and employed in methane dry reforming. The results exhibited that the addition of 5 wt.% La₂O₃ and ZrO₂ increased the surface area and the incorporation of the same content of CeO₂ had a vice versa effect. The TPO analysis showed that the amount of deposited carbon was lower than that deposited on the surface of the unmodified catalyst. It was observed that the incorporation of promoters decreased the catalytic activity and among all the promoted catalysts, Ce-promoted sample was more effective in dry reforming reaction with a low degree of carbon formation.

通过超声辅助共沉淀法合成了介孔纳米晶25 wt。％Ni-M-Al ₂ O ₃（M = CeO ₂，La ₂ O ₃和ZrO ₂）粉末，并用于甲烷干重整。结果表明，添加5重量％的La ₂ O ₃和ZrO _2可以增加表面积，并引入相同含量的CeO _2。反之亦然。TPO分析表明，沉积的碳量低于未改性催化剂表面上的沉积碳量。观察到促进剂的掺入降低了催化活性，并且在所有促进的催化剂中，铈促进的样品在干重整反应中具有较低的碳形成度，更有效。