Evaluation of catalytic activity of MeOx/sepiolite in benzyl alcohol oxidation

• Main Authors: Nguyen, Tien Thao, Nguyen, Thi Nhu
• Format: Article
• Language: English
• Published: H. : ĐHQGHN 2018
• Subjects: Oxidation; Sepiolite; Benzyl alcohol; Benzaldehyde; MeOx
• Online Access: http://repository.vnu.edu.vn/handle/VNU_123/62936; https://doi.org/10.1016/j.jsamd.2018.07.006
• Institution: Vietnam National University, Hanoi

A series of MeOx/sepiolite (Me ¼Cu, Cr, Mn, Co, Ni) catalysts was prepared through the deposition eprecipitation and characterized by means of XRD, EDS, SEM, BET, and H2-TPR. The structural charac-terization showed a fine distribution of MeOx metal oxides on magnesium silicate nanobars. The sepiolite-loaded-metal oxide catalysts have been screened for the partial oxidation of benzyl alcohol and shown a good conversion and a very high selectivity to benzaldehyde at mild conditions. Under similar experiments, the catalytic activity of the transition metal oxides on sepiolite decreased in the order of Cr>Co>Cu>Mn>Ni. The productivity of benzaldehyde was associated with the behavior of transition metal ions and reaction temperatures.