Efficient conversion of propane in a microchannel reactor at ambient conditions
Chunsong Li,
Haochen Zhang,
Wenxuan Liu,
Lin Sheng,
Mu-Jeng Cheng,
Bingjun Xu,
Guangsheng Luo () and
Qi Lu ()
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Chunsong Li: Tsinghua University
Haochen Zhang: Tsinghua University
Wenxuan Liu: Tsinghua University
Lin Sheng: Tsinghua University
Mu-Jeng Cheng: National Cheng Kung University
Bingjun Xu: Peking University
Guangsheng Luo: Tsinghua University
Qi Lu: Tsinghua University
Nature Communications, 2024, vol. 15, issue 1, 1-10
Abstract:
Abstract The oxidative dehydrogenation of propane, primarily sourced from shale gas, holds promise in meeting the surging global demand for propylene. However, this process necessitates high operating temperatures, which amplifies safety concerns in its application due to the use of mixed propane and oxygen. Moreover, these elevated temperatures may heighten the risk of overoxidation, leading to carbon dioxide formation. Here we introduce a microchannel reaction system designed for the oxidative dehydrogenation of propane within an aqueous environment, enabling highly selective and active propylene production at room temperature and ambient pressure with mitigated safety risks. A propylene selectivity of over 92% and production rate of 19.57 mmol mCu−2 h−1 are simultaneously achieved. This exceptional performance stems from the in situ creation of a highly active, oxygen-containing Cu catalytic surface for propane activation, and the enhanced propane transfer via an enlarged gas-liquid interfacial area and a reduced diffusion path by establishing a gas-liquid Taylor flow using a custom-made T-junction microdevice. This microchannel reaction system offers an appealing approach to accelerate gas-liquid-solid reactions limited by the solubility of gaseous reactant.
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-45179-1
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DOI: 10.1038/s41467-024-45179-1
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