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Irina Stan
Researcher at University of Caen Lower Normandy
Publications - 3
Citations - 511
Irina Stan is an academic researcher from University of Caen Lower Normandy. The author has contributed to research in topics: Zeolite & Catalysis. The author has an hindex of 3, co-authored 3 publications receiving 462 citations.
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Quantification of enhanced acid site accessibility in hierarchical zeolites – The accessibility index
Frédéric Thibault-Starzyk,Irina Stan,Sònia Abelló,Adriana Bonilla,Karine Thomas,Christian Fernandez,Jean-Pierre Gilson,Javier Pérez-Ramírez +7 more
TL;DR: An accessibility index (ACI) was derived from infrared spectroscopy of substituted alkylpyridines with different size (pyridine: 0.57 nm, 2,6-lutidine; 0.67 nm, and 2,4,6collidine:0.74 nm) as mentioned in this paper.
Journal ArticleDOI
Hierarchical ZSM‐5 Zeolites in Shape‐Selective Xylene Isomerization: Role of Mesoporosity and Acid Site Speciation
Christian Fernandez,Irina Stan,Jean-Pierre Gilson,Karine Thomas,Aurélie Vicente,Adriana Bonilla,Javier Pérez-Ramírez +6 more
TL;DR: The results show that the interplay between activity, selectivity, and stability in modified zeolites can be optimized by relatively simple post-synthesis treatments, such as base leaching (introduction of mesoporosity) and acid washing (surface acidity modification).
Journal ArticleDOI
Acidity and accessibility studies on mesoporous ITQ-4 zeolite
TL;DR: In this article, the ICP-OES, XRD, TEM, N 2 adsorption, and FTIR spectroscopy were used to characterize the mesopore surface area of the ITQ-4.