On the role of calcination temperature in Pt-SO4 2- /ZrO2-Al2O3 preparation and catalytic behaviors during the n-hexane hydroisomerization

X. L. Zhou, G. X. Yu, C. Tang, C. L. Li, J. A. Wang, O. Novaro, M. E. Llanos, Ma A. Cortés-Jácome

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Effects of calcination temperature for Pt-SO 4 2- /ZrO2-Al2O3 (PSZA) catalysts in n-hexane hydroisomerization were investigated by N2-adsorption, XRD, TG-DTA, FTIR, XPS and H2-TPR. An optimum calcination temperature is helpful to complete the crystallization process, resulting in better distribution of alumina into zirconia crystal and producing new acid centers responsible for higher catalytic activity.

Original languageEnglish
Pages (from-to)277-283
Number of pages7
JournalCatalysis Letters
Volume124
Issue number3-4
DOIs
StatePublished - Aug 2008
Externally publishedYes

Keywords

  • Alumina
  • Calcination temperature
  • Hexane
  • Hydroisomerization
  • Lewis acid sites
  • Zirconia sulfate

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