Table 3 Catalytic activities of various zeolites.

From: Rational design, synthesis, characterization and catalytic properties of high-quality low-silica hierarchical FAU- and LTA-type zeolites

Catalysta

nSi/nAlb

Acidity (mmol g−1)c

Phenol conversion (%)

Product selectivity (%)

TOF (h−1)d

2-t-BP

4-t-BP

2,4-di-t-BP

ZH-Y

2.2

1.76

58.8

4.8

84.6

10.6

9.68

Z-Y

2.3

2.26

32.4

18.7

53.5

27.8

4.15

ZH-X

1.4

1.37

40.1

12.5

79.5

7.9

8.48

Z-X

1.2

3.21

22.3

26.1

49.5

24.4

2.01

ZH-A

1.0

1.63

5.2

19.2

72.0

8.8

0.92

Z-A

1.0

0.87

—

—

—

—

—

  1. aReaction conditions: T = 160 °C; t-BA/Phenol = 2; WHSV = 7 h–1; TOS = 24 h; bDetermined by 29Si MAS-NMR; cDetermined by NH3-TPD; dnphenol/(nAl.t (reaction time)).
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