Table 1 Physical properties of the intrinsic properties-controlled beta zeolites

From: Optimization of low-temperature catalytic cracking of polyolefin waste in open-batch reactors using zeolite beta with controlled intrinsic properties

Entry

Sample

Crystal size (nm)

Si/Ala

SBET (m2/g)b

Vmic (cc/g)b

SExt (m2/g)b

Vmeso (cc/g)b

1

L-BEA-10

650 ± 20

9.6

575

0.239

88

0.206

2

L-BEA-15

950 ± 60

16.8

495

0.216

48

0.122

3

L-BEA-20

1510 ± 100

21.0

472

0.218

24

0.047

4

L-BEA-30

1710 ± 130

26.1

424

0.186

43

0.053

5

M-BEA-10

170 ± 20

8.7

589

0.220

138

0.728

6

M-BEA-20

130 ± 20

19.7

569

0.253

48

0.601

7

S-BEA-10

30 ± 5

11.4

634

0.226

192

0.971

8

S-BEA-20

80 ± 10

18.9

612

0.263

99

0.644

9

S-BEA-30

110 ± 20

28.7

616

0.264

96

0.650

10

S-BEA-50

140 ± 20

48.1

584

0.253

87

0.596

  1. Micropore volumes (Vmic) were estimated based on the V-t method. Mesoporous volumes (Vmeso) were estimated based on the Barrett-Joyner-Halenda (BJH) model.
  2. aCharacterized by energy-dispersive spectroscopy.
  3. bBET surface (SBET) was Characterized based on the N2 adsorption isotherms obtained at 77 K.
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