Fine-tuning the chemical state and acidity of ceria incorporated in hierarchical zeolites for ethanol dehydration

The chemical state and acidity of ceria incorporated in hierarchical zeolites have been successfully tuned due to the presence of hierarchical structures of zeolite nanosheets and interaction between ceria and zeolite supports with different Si/Al ratios. The Ce reactivity of the designed materials...

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Bibliographic Details
Published inChemical communications (Cambridge, England) Vol. 56; no. 77; pp. 11394 - 11397
Main Authors Ketkaew, Marisa, Klinyod, Sorasak, Saenluang, Kachaporn, Rodaum, Chadatip, Thivasasith, Anawat, Kidkhunthod, Pinit, Wattanakit, Chularat
Format Journal Article
LanguageEnglish
Published Cambridge Royal Society of Chemistry 29.09.2020
Subjects
Aluminum
Cerium oxides
Dehydration
Ethanol
Silicon
Structural hierarchy
Zeolites
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Summary:The chemical state and acidity of ceria incorporated in hierarchical zeolites have been successfully tuned due to the presence of hierarchical structures of zeolite nanosheets and interaction between ceria and zeolite supports with different Si/Al ratios. The Ce reactivity of the designed materials for ethanol dehydration is remarkably improved due to the improvement of the metal-support interaction, acidity, and reducibility of Ce species, eventually facilitating an unprecedented yield of ethylene close to 100%. This finding opens up a new perspective for the development of ceria based hierarchical zeolite catalysts for ethanol dehydration applications. The chemical state and acidity of ceria incorporated in hierarchical zeolites have been successfully tuned due to the presence of hierarchical structures and interaction between ceria and zeolite supports with different Si/Al ratios.
Bibliography:Electronic supplementary information (ESI) available. See DOI
10.1039/d0cc04886k
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc04886k