Self-Template Synthesis of a MnCeOδ/Co3O4 Polyhedral Nanocage Catalyst for Toluene Oxidation
Posted on 2019-08-23 - 12:34
Herein,
a novel nanocage catalyst of a porous MnCeOδ/Co3O4-NC polyhedral derived from a Co-based zeolitic
imidazolate framework (ZIF-67) was synthesized and its catalytic performance
for toluene oxidation was evaluated. This composite of the MnCeOδ/Co3O4-NC catalyst presents a
high toluene conversion of 95% at 230 °C with a weight hourly
space velocity of 40 000 mL g–1 h–1. In addition, the reaction rate based on the catalyst surface area
of the MnCeOδ/Co3O4-NC catalyst
was 3.138 × 10–2 mmol m–2 h–1. Meanwhile, the MnCeOδ/Co3O4-NC catalyst also shows a lower apparent activation
energy of the reaction (Ea) of 56.10 kJ
mol–1. According to the characterization results,
the specific surface area, the interaction between MnCeOδ solid solution and Co3O4-NC, the low-temperature
reducibility, and the concentration of surface active oxygen confinement
that originates from MnCeOδ/Co3O4-NC proves that this catalyst has superior activity for toluene oxidation.
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Shan, Yao; Gao, Ning; Chen, Yingwen; Shen, Shubao (2019). Self-Template Synthesis of a MnCeOδ/Co3O4 Polyhedral Nanocage Catalyst for Toluene Oxidation. ACS Publications. Collection. https://doi.org/10.1021/acs.iecr.9b00847
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AUTHORS (4)
YS
Yao Shan
NG
Ning Gao
YC
Yingwen Chen
SS
Shubao Shen