Heterogeneous catalysis of methane hydroxylation with nearly total selectivity under mild conditions

Abstract

The efficient utilization of methane, a vital component of natural gas, shale gas and methane hydrate, holds significant importance for global energy security and environmental sustainability. However, converting methane into value-added oxygenates presents a formidable challenge due to its inert nature. Direct selective oxidation of methane (DSOM) under mild conditions is essential for reducing energy consumption and carbon emissions compared with traditional indirect routes. Achieving total selectivity in methane hydroxylation remains elusive due to the competitive CO2 formation. This feature article highlights recent advancements in methane hydroxylation using thermo-, photo-, and electro-catalytic systems. Through strategically designing the structure of catalysts to control the reactive oxygen species and optimizing reaction parameters, significant progress has been made in enhancing oxygenate selectivity and minimizing overoxidation. A comprehensive understanding of the mechanisms underlying methane hydroxylation with total selectivity offers insights for improving catalyst design and reaction parameter optimization, promoting sustainable methane utilization.

Graphical abstract: Heterogeneous catalysis of methane hydroxylation with nearly total selectivity under mild conditions

Article information

Article type
Feature Article
Submitted
09 6 2024
Accepted
03 9 2024
First published
04 9 2024

Chem. Commun., 2024, Advance Article

Heterogeneous catalysis of methane hydroxylation with nearly total selectivity under mild conditions

G. Fang, W. Yu, X. Wang and J. Lin, Chem. Commun., 2024, Advance Article , DOI: 10.1039/D4CC02802C

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