Enabling direct oxidation of ethane to acetaldehyde with oxygen using supported PdO nanoparticles

Ye, Jiajie; Zhang, Shoujie; Guo, Yanglong; Zhan, Wangcheng; Wang, Li; Dai, Sheng; Tang, Xuan; Guo, Yun

doi:10.1039/d4cc01734j

Chem. Commun.

2024

DOI: 10.1039/d4cc01734j

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Enabling direct oxidation of ethane to acetaldehyde with oxygen using supported PdO nanoparticles

Jiajie Ye,

Shoujie Zhang,

Yanglong Guo

et al.

Abstract: Industrial-scale production of acetaldehyde relies heavily on homogeneous catalysts. Here, we capitalized ethane as the feedstock and developed ZSM-5-supported PdO nanoparticles for the direct oxidation of ethane to acetaldehyde by...

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Direct Oxidation of Methane to C1 Oxygenates on Cu/ZSM‐5: Reaction Property and Configuration of Cu Species

Zhang,

Ye,

Shen

et al. 2024

ChemCatChem

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Direct oxidation of methane (DOM) under mild conditions is arguably one of the holy grails in chemistry. Cu‐based zeolite catalysts have attracted much attention for their high yield and selectivity of C1 oxygenates. However, the structure‐activity relationships of DOM remain controversial due to the complex configurations of Cu on zeolites. Herein, we prepared Cu/ZSM‐5 catalysts with various Cu loading and investigated the effects of Cu configurations on the DOM reaction. By combining the characterization techniques and evaluating the catalytic performance, we found that the configurations of Cu species could significantly affect the yield and distribution of C1 oxygenates, which was strongly dependent on Cu loading. The highly dispersed mononuclear CuII in the channels of ZSM‐5 is proved to be highly active. While the multinuclear Cu species inhibit the formation of HCOOH, simultaneously suppressing the overall reaction yield. The agglomerated CuO species on the surface of ZSM‐5 show a relatively low correlation with DOM reaction. Thus, the relationship between the yield of C1 oxygenates and Cu loading exhibits a typical volcanic curve and 2.2 wt.% Cu/ZSM‐5 possess the best performance using H2O2 as oxidant (productivity of 17,000 μmol gcat‐1 h‐1 with 98.6% selectivity at 50 °C).

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Direct Oxidation of Methane to C1 Oxygenates on Cu/ZSM‐5: Reaction Property and Configuration of Cu Species

Zhang,

Ye,

Shen

et al. 2024

ChemCatChem

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Enabling direct oxidation of ethane to acetaldehyde with oxygen using supported PdO nanoparticles

Abstract: Industrial-scale production of acetaldehyde relies heavily on homogeneous catalysts. Here, we capitalized ethane as the feedstock and developed ZSM-5-supported PdO nanoparticles for the direct oxidation of ethane to acetaldehyde by...

Cited by 1 publication

References 26 publications

Direct Oxidation of Methane to C1 Oxygenates on Cu/ZSM‐5: Reaction Property and Configuration of Cu Species

Direct Oxidation of Methane to C1 Oxygenates on Cu/ZSM‐5: Reaction Property and Configuration of Cu Species

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