Skip to Main content Skip to Navigation
Journal articles

Determination of Microporous and Mesoporous Surface Areas and Volumes of Mesoporous Zeolites by Corrected t ‐Plot Analysis

Abstract : Zeolites are well-known microporous catalysts, involved in many industrial applications. Their microporosity yet impedes diffusion of bulky molecules/feedstocks. To overcome this drawback, zeolites with bimodal porosity, e.g. micropores and mesopores were developed during the last decades. In this context, it is important to develop/use methods able to evaluate accurately the textural properties of micro-/mesoporous zeolites. t-Plot is commonly used for determining the micro-and mesopore surface areas and pore volumes. However, previously we showed that the classical t-plot analysis overestimates the mesopore surface areas and underestimates the micropore volumes for FAU-Y micro-/mesoporous zeolite. Measurements performed with mechanical mixtures of FAU-Y and MCM-41 allowed us to provide corrections to the t-plot analysis. These corrections were up to date limited to FAU structured zeolites. In the present work, we present specific corrections of the t-plot for a broader series of zeolites including MFI, *BEA and MOR, based on a set of mechanical mixtures of zeolites and MCM-41. Minor correction factors were required for MOR, whilst for MFI and *BEA similar corrections as for the FAU-Y were inferred for the micropore volume. As far as the surface area is concerned higher correction factors were required for MFI compared to *BEA. This corrected t-plot analysis was applied to characterize a great variety of mesoporous zeolites prepared by micelle-templating following a two-steps procedure.
Document type :
Journal articles
Complete list of metadata
Contributor : Alexander Sachse Connect in order to contact the contributor
Submitted on : Wednesday, April 20, 2022 - 12:06:45 PM
Last modification on : Friday, August 5, 2022 - 10:59:28 AM


Publi ZSM5mes-results-v7-AS FO...
Files produced by the author(s)



Lucie Desmurs, Anne Galarneau, Claudia Cammarano, Vasile Hulea, Cyril Vaulot, et al.. Determination of Microporous and Mesoporous Surface Areas and Volumes of Mesoporous Zeolites by Corrected t ‐Plot Analysis. ChemNanoMat, Wiley, 2022, 8 (4), pp.e202200051. ⟨10.1002/cnma.202200051⟩. ⟨hal-03647181⟩



Record views


Files downloads