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Table 1 Pore properties of TZ and MZ samples

From: Synthesis and Characterization of Hierarchical ZSM-5 Zeolites with Outstanding Mesoporosity and Excellent Catalytic Properties

Samples

S BET a

(m2/g)

S mic b

(m2/g)

S ext c

(m2/g)

V mic d

(cm3/g)

V total e

(cm3/g)

HFf

SiO2/Al2O3 ratiog

TZ

384

330

54

0.14

0.18

0.11

49

MZ-1

444

330

114

0.14

0.22

0.16

50

MZ-2

496

338

158

0.14

0.27

0.17

50

MZ-3

616

316

300

0.13

0.34

0.19

51

MZ-4

541

321

220

0.13

0.30

0.18

47

  1. aBET surface area
  2. bMicropore surface area
  3. cExternal surface area
  4. dMicropore volume
  5. eTotal pore volume
  6. fThe hierarchical factor, defined as (Vmic/Vtotal) × (Sext/SBET)
  7. gThe SiO2/Al2O3 ratio was determined by ICP method

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