High activity in catalytic cracking over stable mesoporous aluminosilicates

Lei Zhu, Feng Shou Xiao*, Zongtao Zhang, Yinyong Sun, Yu Han, Shilun Qiu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

43 Scopus citations


A stable mesoporous aluminosilicate with hexagonal symmetry (MAS-5) has been synthesized by the co-templates of tetraethylammonium hydroxide (TEAOH) and cetyltrimethylammonium bromide (CTAB) cationic surfactant. The cracking of 1,3,5-triisopropylbenzene is used as probe reaction to test its catalytic properties. Catalytic data show that the conversion over the stable mesoporous aluminosilicate (HMAS-5) is higher than that over HA1-MCM-41, which is assigned to HMAS-5 which has stronger acidity than HAl-MCM-41. Furthermore, we observed that the catalytic conversion over HMAS-5 is much higher than that over HZSM-5, which is assigned to that the diffusion of large molecule of 1,3,5-triisopropylbenzene is strongly impeded by narrow channels of HZSM-5 zeolite.

Original languageEnglish (US)
Pages (from-to)209-216
Number of pages8
JournalCatalysis Today
Issue number1-3
StatePublished - Jul 1 2001
Externally publishedYes


  • Catalytic cracking
  • Hydrothermal stability
  • MCM-41
  • Mesoporous
  • ZSM-5

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry


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