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. 2024 Sep 25;14(24):7037–7047. doi: 10.1039/d4cy00782d

Acidity of all studied zeolite Y and beta materials in mmol gcat−1, determined by NH3-Temperature Programmed Desorption (NH3-TPD). The acidity in the low (LT), intermediate (IT) and high temperature (HT) regimes are given separately from the total acidity.

Sample Acidity (mmol g−1)
LT (100–250 °C) IT (250–400 °C) LT (400–600 °C) Total Acidity ratio
Y 0.15 0.26 0.08 0.49 1.00
Y-AL2 0.02 0.05 0.01 0.07 0.15
Y-HT2-AL2 0.02 0.03 0.01 0.05 0.11
Y-HT6-AL2 0.03 0.05 0.01 0.09 0.19
Y-HT24-AL2 0.03 0.05 0.01 0.10 0.21
BH 0.30 0.24 0.06 0.60 1.00
BH-AL2 0.07 0.13 0.02 0.22 0.37
BH-HT2-AL2 0.08 0.13 0.02 0.24 0.39
BH-HT6-AL2 0.08 0.12 0.01 0.20 0.33
BH-HT24-AL2 0.10 0.14 0.01 0.25 0.42