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© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

Methane is an abundant resource and its direct conversion into value-added chemicals has been an attractive subject for its efficient utilization. This method can be more efficient than the present energy-intensive indirect conversion of methane via syngas, a mixture of CO and H2. Among the various approaches for direct methane conversion, the selective oxidation of methane into methane oxygenates (e.g., methanol and formaldehyde) is particularly promising because it can proceed at low temperatures. Nevertheless, due to low product yields this method is challenging. Compared with the liquid-phase partial oxidation of methane, which frequently demands for strong oxidizing agents in protic solvents, gas-phase selective methane oxidation has some merits, such as the possibility of using oxygen as an oxidant and the ease of scale-up owing to the use of heterogeneous catalysts. Herein, we summarize recent advances in the gas-phase partial oxidation of methane into methane oxygenates, focusing mainly on its conversion into formaldehyde and methanol.

Details

Title
Gas-Phase Selective Oxidation of Methane into Methane Oxygenates
Author
Zhen Chao Xu 1 ; Eun Duck Park 2   VIAFID ORCID Logo 

 Department of Energy Systems Research, Ajou University, Suwon 16499, Korea; [email protected] 
 Department of Energy Systems Research, Ajou University, Suwon 16499, Korea; [email protected]; Department of Chemical Engineering, Ajou University, Suwon 16499, Korea 
First page
314
Publication year
2022
Publication date
2022
Publisher
MDPI AG
e-ISSN
20734344
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2642370565
Copyright
© 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.