W/Zr mixed oxide supported on mesoporous silica as catalyst for n-pentane isomerization

Tao Li, She Tin Wong, Man Chien Chao, Hong Ping Lin, Chung Yuan Mou, Soofin Cheng

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


WO3/ZrO2 mixed oxides supported on various porous silica were prepared. For the mesoporous silica, SBA-15 was found to retain the crystalline structure better than MCM-41 after loading W/Zr mixed oxides. Tungstated zirconia is mainly dispersed into the mesoporous channels of SBA-15, which causes the dramatical decrease in the surface area and pore volume. All the mesoporous siliceous materials supported solid acid samples showed strong acidity. The SBA-15 supported WO3/ZrO2 materials promoted with Pt were highly efficient in catalyzing the isomerization of n-pentane with a high selectivity of isopentane. SBA-15 with 1 %Pt/20%WO3/ 40%ZrO2 gave the highest catalytic activity.

Original languageEnglish
Pages (from-to)569-572
Number of pages4
JournalStudies in Surface Science and Catalysis
Publication statusPublished - 2003
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry


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