A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä
Isomerization of β-pinene oxide over Sn-modified zeolites
Tekijät: Päivi Mäki-Arvela, Narendra Kumar, Sara Faten Diáz, Atte Aho, Mikko Tenho, Jarno Salonen, Anne-Riikka Leino, Krisztian Kordás, Pekka Laukkanen, Johnny Dahl, Iliya Sinev, Tapio Salmi, Dmitry Yu Murzin
Kustantaja: ELSEVIER SCIENCE BV
Julkaisuvuosi: 2013
Journal: Journal of Molecular Catalysis A: Chemical
Tietokannassa oleva lehden nimi: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
Lehden akronyymi: J MOL CATAL A-CHEM
Vuosikerta: 366
Aloitussivu: 228
Lopetussivu: 237
Sivujen määrä: 10
ISSN: 1381-1169
DOI: https://doi.org/10.1016/j.molcata.2012.09.028
Verkko-osoite: http://api.elsevier.com/content/abstract/scopus_id:84870237767
Four different Sn modified zeolites, namely three Beta zeolites with varying SiO2/Al2O3 ratio along with Sn-Y were synthesized, and characterized by XRD, TEM, SEM, pyridine adsorption desorption, nitrogen adsorption, XPS and EXAFS. Kinetics in -pinene oxide isomerization into myrtanal was studied at 70 ◦C in toluene as a solvent with different catalysts. The initial isomerization rate increases with increasing
acidity. Complete conversion of -pinene oxide was achieved with the three most acidic catalysts within 30 min, whereas only 72% conversion in 1440 min was obtained with the catalyst exhibiting the lowest acidity, Sn-Beta-300. The catalyst most selective to the formation of myrtanal was Sn-Beta-300 giving 64% selectivity at 72% conversion, which is related to low amounts of acid sites.