Enhancing Methane Aromatization Performance by Reducing the Particle Size of Molybdenum Oxide

Efficient use of natural gas to produce aromatics is an attractive subject; the process requires catalysts that possess high-performance active sites to activate stable C–H bonds. Here, we report a facile synthetic strategy to modify HMCM-49 with small molybdenum oxide nanoparticles. Due to the high...

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Published inNanomaterials (Basel, Switzerland) Vol. 10; no. 10; p. 1991
Main Authors Hu, Jing, Liu, Jinghai, Liu, Jinglin, Li, Yangyang, Li, Peihe, Wang, Yin, Guan, Jingqi, Kan, Qiubin
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 09.10.2020
MDPI
Subjects
Aromatic compounds
aromatics
Carbon
Catalysts
HMCM-49
Hydrocarbons
Methane
methane aromatization
Molybdenum
molybdenum oxide
Molybdenum oxides
Molybdenum trioxide
Nanoparticles
Natural gas
Polyethylene glycol
Reagents
Zeolites
United States > US
China
Japan
Online AccessGet full text
ISSN2079-4991
2079-4991
DOI10.3390/nano10101991

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Summary:Efficient use of natural gas to produce aromatics is an attractive subject; the process requires catalysts that possess high-performance active sites to activate stable C–H bonds. Here, we report a facile synthetic strategy to modify HMCM-49 with small molybdenum oxide nanoparticles. Due to the higher sublimability of nano-MoO3 particles than commercial MoO3, they more easily enter into the channels of HMCM-49 and associate with Brønsted acid sites to form active MoCx-type species under calcination and reaction conditions. Compared with commercial MoO3 modified MCM-49, nano-MoO3 modified MCM-49 exhibits higher methane conversion (13.2%), higher aromatics yield (9.1%), and better stability for the methane aromatization reaction.
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ISSN:2079-4991
2079-4991
DOI:10.3390/nano10101991