Table 2 n-Hexadecane deconstructions with the 12 catalysts from the main library at 275, 325, and 375 °C

From: Mechanistic classification and benchmarking of polyolefin depolymerization over silica-alumina-based catalysts

View full size image

Entry

Catalyst

Temp. (ºC)

Conv. (%)

C1-4 Yield (%)*

C5-16 Yield (%)*

1

SiO2-Al2O3

275 °C

2.1 ± 0.2

0.0

2.1

2

SiO2-Al2O3

325 °C

3.8 ± 1.0

0.1

3.7

3

SiO2-Al2O3

375 °C

2.1 ± 0.2

0.1

2.0

4

Zeo-Y_H

275 °C

4.5 ± 0.3

0.3

4.2

5

Zeo-Y_H

325 °C

8.5 ± 0.5

0.7

7.7

6

Zeo-Y_H

375 °C

26.7 ± 1.4

3.3

23.3

7

ZSM-5_H

275 °C

13.7 ± 2.4

3.8

10.0

8

ZSM-5_H

325 °C

91.6 ± 4.4

35.5

56.2

9

ZSM-5_H

375 °C

98.0 ± 2.0

77.3

20.8

10

Co/SiO2-Al2O3

275 °C

2.3 ± 0.2

0.1

2.2

11

Co/SiO2-Al2O3

325 °C

2.3 ± 0.3

0.0

2.2

12

Co/SiO2-Al2O3

375 °C

2.4 ± 0.1

0.1

2.2

13

Co/Zeo-Y_H

275 °C

1.9 ± 0.4

0.0

1.9

14

Co/Zeo-Y_H

325 °C

5.5 ± 1.2

0.2

5.2

15

Co/Zeo-Y_H

375 °C

6.1 ± 1.2

1.2

4.9

16

Co/ZSM-5_H

275 °C

1.9 ± 0.1

0.1

1.8

17

Co/ZSM-5_H

325 °C

5.9 ± 0.1

1.2

4.7

18

Co/ZSM-5_H

375 °C

49.0 ± 3.7

12.7

36.3

19

Ni/SiO2-Al2O3

275 °C

2.6 ± 0.6

0.1

2.6

20

Ni/SiO2-Al2O3

325 °C

3.3 ± 1.4

0.1

3.2

21

Ni/SiO2-Al2O3

375 °C

3.8 ± 1.2

0.2

3.7

22

Ni/Zeo-Y_H

275 °C

2.1 ± 0.6

0.6

1.5

23

Ni/Zeo-Y_H

325 °C

4.4 ± 0.4

0.4

4.0

24

Ni/Zeo-Y_H

375 °C

20.9 ± 1.3

0.4

20.5

25

Ni/ZSM-5_H

275 °C

2.2 ± 0.2

0.3

1.9

26

Ni/ZSM-5_H

325 °C

8.2 ± 1.8

0.5

7.7

27

Ni/ZSM-5_H

375 °C

85.6 ± 4.1

28.2

57.3

28

Ru/SiO2-Al2O3

275 °C

95.6 ± 4.0

41.5

54.2

29

Ru/SiO2-Al2O3

325 °C

98.5 ± 0.3

75.8

22.6

30

Ru/SiO2-Al2O3

375 °C

99.8 ± 0.2

96.6

3.3

31

Ru/Zeo-Y_H

275 °C

96.0 ± 0.9

56.6

39.3

32

Ru/Zeo-Y_H

325 °C

99.6 ± 0.3

91.5

8.3

33

Ru/Zeo-Y_H

375 °C

99.0 ± 1.0

92.4

6.9

34

Ru/ZSM-5_H

275 °C

99.4 ± 0.6

92.8

6.6

35

Ru/ZSM-5_H

325 °C

98.0 ± 2.0

99.7

0.3

36

Ru/ZSM-5_H

375 °C

99.8 ± 0.2

98.8

1.1

  1. Reaction conditions: n-hexadecane (1.59 g, 7.0 mmol), catalyst (0.1 g, metal loading = 2.5 wt%), S/C ratio (substrate/catalyst weight ratio) ~16, 45 bar H2, 2 h.
  2. *All yields were calculated as the carbon yield and isomerized C16 (isoC16) are considered as products.
Back to article page