Chemistry

Light-driven flow synthesis of acetic acid from methane with chemical looping

W. Zhang, D. Xi, et al.

Explore groundbreaking research by Wenqing Zhang and colleagues on the direct synthesis of acetic acid from methane using innovative photochemical conversion! This method, showcasing a production rate of 1.5 mmol gpd⁻¹ h⁻¹ with an impressive selectivity of 91.6%, offers an exciting avenue for sustainable chemical production.

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Abstract

This paper reports a direct synthesis of acetic acid (CH3COOH) solely from methane (CH4) via photochemical conversion without additional reagents. This is achieved using a PdO/Pd-WO3 heterointerface nanocomposite, where CH4 is dissociated into methyl groups on Pd sites, and oxygen from PdO facilitates carbonyl formation. The methyl and carbonyl groups undergo a cascade reaction to generate an acetyl precursor, subsequently converting to CH3COOH. A production rate of 1.5 mmol gpd⁻¹ h⁻¹ and selectivity of 91.6% toward CH3COOH were achieved in a photochemical flow reactor.

Publisher

Nature Communications

Published On

May 26, 2023

Authors

Wenqing Zhang, Dawei Xi, Yihong Chen, Aobo Chen, Yawen Jiang, Hengjie Liu, Zeyu Zhou, Hui Zhang, Zhi Liu, Ran Long, Yujie Xiong

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