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Citation: Xie Yaqiong, Jin Liying, Ma Bin, Wang Boyuan, Guo Ji, Zheng Jiandong. Preparation and Catalytic Activities of LaNi_1-xCo_xO₃ Catalysts For Methane Catalytic Combustion[J]. Chemistry, ;2019, 82(9): 806-810. shu

Preparation and Catalytic Activities of LaNi_1-xCo_xO₃ Catalysts For Methane Catalytic Combustion

College of Material and Chemical Engineering, Chuzhou University, Chuzhou 239000

Corresponding author: Zheng Jiandong, zjd071@126.com
Received Date: 8 April 2019
Accepted Date: 20 May 2019

Figures(6)

A series of LaNi_1-xCo_xO₃ (x=0, 0.2, 0.4, 0.6, 0.8, 1.0) catalysts were prepared by co-precipitation method. The influence of doping of B-site Co ions on LaNiO₃ catalyst performance was investigated. The catalyst samples were characterized by XRD, BET, H₂-TPR, SEM and TG-DSC techniques. Their catalytic activities were evaluated for methane catalytic combustion. The results showed that the doping of Co ions would result in the change of crystal structure and improvement of the catalytic activity. The catalyst LaNi_0.2Co_0.8O₃ retained a specific surface area of 22.4 m²·g^-1 and showed excellent activity for methane combustion. The temperature at conversion of 10% and 90% were 475℃ and 610℃, respectively.
- Perovskite,
- Doping,
- Methane catalytic combustion
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