NMR-Spectroscopic Evidence of Intermediate-Dependent Pathways for Acetic Acid Formation from Methane and Carbon Monoxide over a ZnZSM-5 Zeolite Catalyst

Authors

  • Xiumei Wang,

    1. Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
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  • Guodong Qi,

    1. Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
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  • Dr. Jun Xu,

    Corresponding author
    1. Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
    • Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
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  • Bojie Li,

    1. Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
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  • Chao Wang,

    1. Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
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  • Prof. Dr. Feng Deng

    Corresponding author
    1. Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
    • Wuhan Center for Magnetic Resonance, State Key Laboratory Magnetic Resonance and Atomic Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071 (China)
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  • This work was supported by the National Natural Science Foundation of China (Grants 20933009, 20803090, 20921004, and 31070211) and the National Basic Research Program of China (2009CB918600).

Abstract

original image

Zwei Wege: Über einem Zn-modifizierten ZSM-5-Zeolith-Katalysator wurde Methan mit Kohlenmonoxid unter milden Bedingungen (573–623 K) direkt zu Essigsäure umgesetzt (siehe Schema). Mit In-situ-Festphasen-NMR-Spektroskopie wurden für die Bildung von Essigsäure zwei verschiedene Reaktionspfade identifiziert, die von den Zwischenstufen abhängen.

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