Isomerization of α-pinene oxide over iron-modified zeolites

Narendra Kumar, Päivi Mäki-Arvela, Sara Faten Diáz, Atte Aho, Yulia Demidova, Johan Linden, Anna Shepidchenko, Mikko Tenhu, Jarno Salonen, Pekka Laukkanen, Alexander Lashkul, Johnny Dahl, Iliya Sinev, Anne-Riikka Leino, Krisztian Kordas, Tapio Salmi, Dmitry Yu Murzin*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)


Fe-modified mordenite, ferrierite, Y, ZSM-5, ZSM-12 and beta zeolite catalysts were prepared by solid state ion-exchange and conventional liquid phase ion-exchange methods from aqueous solutions. Sn- modified H-beta-300 zeolite catalyst was prepared by the later method. The characterization of proton form, Fe and Sn modified zeolites was carried out using X-ray powder diffraction, scanning electron microscopy, Mössbauer spectroscopy with magnetic measurements, transmission electron microscopy, nitrogen adsorption, X-ray absorption spectroscopy, X-ray photoelectron spectroscopy, inductively coupled plasma spectroscopy, thermo-gravimetric analysis and FTIR spectroscopy using pyridine as a probe molecule. Isomerization of α-pinene oxide over the Fe and Sn modified zeolite catalysts was carried out in the liquid phase using a batch-wise glass reactor. Formation of campholenic aldehyde and fencholenic aldehyde were observed to be influenced by the structure, acidity of zeolite and contents of Fe and Sn, reaction temperature and the catalysts pretreatment.

Original languageEnglish
Pages (from-to)696-713
Number of pages18
JournalTopics in Catalysis
Issue number9-10
Publication statusPublished - Apr 2013
MoE publication typeA1 Journal article-refereed


  • α-Pinene oxide
  • Campholenic aldehyde
  • Fe
  • Isomerization
  • Sn
  • Zeolites


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