Preparation of La2NiO4 catalyst and catalytic performance for partial oxidation of methane

The performance of La2NiO4 perovskite catalysts, prepared using a citric acid complexation method, for the partial oxidation of methane to synthesis gas has been studied. The catalysts were characterized by X-ray diffraction (XRD), specific surface area measurements, thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The experimental studies show that the calcination temperature and the amount of citric acid (CA) have a significant influence on the characteristics of the catalysts and their catalytic activity. Among the catalysts tested, the La2NiO4 catalyst calcined at 850 °C with a molar ratio of La:Ni:CA = 2:1:3 exhibited the best activity and excellent stability as well as very low coke formation.

Performances of La2NiO4 perovskite, prepared using citric acid complex method, as catalysts for partial oxidation of methane to synthesis gas have been studied. The catalysts were characterized by BET, XRD, TG/DTG and SEM. Among catalysts tested, the catalyst La2NiO4 calcinated at 850 °C with the molar ratio of La:Ni:CA = 2:1:3 exhibits the best activity and excellent stability as well as very low coke formation.Figure optionsDownload as PowerPoint slide