Effect of silica content on production of p-Xylene from dimethylfuran/ethylene over mesoporous SiO2-Al2O3 catalysts

Jin Sil Lee, Sang Yun Kim, Tae Wan Kim, Soon Young Jeong, Chul Ung Kim, Kwan Young Lee

Research output: Contribution to journalArticle

Abstract

Mesoporous SiO2-Al2O3 (SA) catalysts with different SiO2 contents were prepared, for the selective production of p-xylene from dimethylfuran/ethylene through the combination of cycloaddition and dehydrative aromatization reactions, by a co-precipitation method. For comparison, commercial SiO2-Al2O3 and ZSM-5 zeolites (Si/Al2 = 30, Si/Al2 = 80) were also employed as catalysts in the same reaction. The pore size of the catalysts played an important role in determining the catalytic performance in the production of p-xylene. Among the catalysts tested, the order of the yield and production rate of p-xylene was as follows: mesoporous SA > commercial SiO2-Al2O3 > commercial ZSM-5. In the mesoporous SA catalysts in particular, p-xylene yields showed a volcano-shaped trend with respect to the catalyst's SiO2 content. The SA-60 catalyst, with SiO2 = 52.3, showed the highest yield (75%) and production rate (57.7 mmol/g-cat · h) because of a catalyst structure with moderate pore size, which prevented side reactions.

Original languageEnglish
Pages (from-to)2695-2699
Number of pages5
JournalJournal of Nanoscience and Nanotechnology
Volume17
Issue number4
DOIs
Publication statusPublished - 2017

Fingerprint

xylene
Xylene
Silicon Dioxide
Ethylene
ethylene
Silica
silicon dioxide
catalysts
Catalysts
Zeolites
Cycloaddition Reaction
Pore size
Cats
porosity
Aromatization
Volcanoes
Cycloaddition
4-xylene
cats
cycloaddition

Keywords

  • Cycloaddition
  • Dimethylfuran
  • Ethylene
  • p-Xylene
  • SiO-AlO catalyst

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Effect of silica content on production of p-Xylene from dimethylfuran/ethylene over mesoporous SiO2-Al2O3 catalysts. / Lee, Jin Sil; Kim, Sang Yun; Kim, Tae Wan; Jeong, Soon Young; Kim, Chul Ung; Lee, Kwan Young.

In: Journal of Nanoscience and Nanotechnology, Vol. 17, No. 4, 2017, p. 2695-2699.

Research output: Contribution to journalArticle

Lee, Jin Sil ; Kim, Sang Yun ; Kim, Tae Wan ; Jeong, Soon Young ; Kim, Chul Ung ; Lee, Kwan Young. / Effect of silica content on production of p-Xylene from dimethylfuran/ethylene over mesoporous SiO2-Al2O3 catalysts. In: Journal of Nanoscience and Nanotechnology. 2017 ; Vol. 17, No. 4. pp. 2695-2699.
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