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Table 2 Catalytic activity, selectivity, coke amount, and RON at various reaction temperatures over different prepared Pt catalysts

From: n-Heptane isomerization activities of Pt catalyst supported on micro/mesoporous composites

Catalyst

T/°C

Coke (%)

Conv. (%)

MOB

MUB

i-C7

Crack

Arom

Hydro

RON

MCM-48

200

 

5.4

8.0

17.7

25.7

0.7

0.3

73.2

7.6

250

 

8.7

3.6

10.7

14.3

2.3

0.5

82.9

11.8

300

4.5

14.6

1.7

5.1

6.8

8.4

0.6

84.2

16.2

350

 

19.6

1.1

3.8

5.0

18.4

4.9

71.6

11.0

MCM-48-HZSM-5

200

 

60.5

11.8

26.0

37.8

12.2

3.3

46.6

50.2

250

 

74.6

8.3

20.4

28.7

13.8

4.0

53.5

56.5

300

6.3

87.7

4.9

12.7

17.2

14.6

5.9

61.7

58.5

350

 

95.7

2.3

8.0

10.4

14.8

7.5

67.2

58.6

HZSM-5

200

 

48.9

11.2

16.0

27.2

0.2

0.1

72.5

8.1

250

 

59.8

8.0

7.5

15.5

40

0.3

44.2

20.3

300

1.8

71.5

5.7

6.0

11.7

42

0.5

45.8

36.8

350

 

84.0

3.0

4.6

7.6

43

3.8

45.6

40.9

MCM-48-TiO2

200

 

31.0

14.1

13.1

27.2

16.2

0.3

56.3

23.0

250

 

38.4

5.3

11.0

16.3

20.1

0.8

62.8

23.9

300

9.3

45.4

4.4

4.5

8.8

21.1

1.5

68.5

25.0

350

 

59.8

0.3

0.9

1.3

23.0

1.7

74.0

29.4

TiO2

200

 

8.25

6.2

13.1

19.3

0.8

0.9

78.9

11.4

250

 

11.8

5.2

8.7

14.0

4.6

1.1

80.4

14.5

300

18.6

19.4

3.1

5.3

8.5

10.9

1.8

78.8

18.6

350

 

24.0

2.2

3.0

5.1

12.8

2.6

79.5

20.6

MCM-48-HY

200

 

35.6

9.1

20.3

29.5

14.9

0.8

54.8

29.1

250

 

47.7

7.6

11.8

19.5

17.5

2.1

60.9

31.8

300

2.3

54.7

5.9

8.7

14.6

18.1

3.2

64.1

33.4

350

 

70.2

1.1

4.3

5.4

19.5

3.7

71.3

39.2

HY

200

 

28.7

9.1

14.3

23.4

8.0

0.9

67.6

31.1

250

 

41.4

5.6

7.9

13.5

16.2

4.6

65.6

26.5

300

0.1

54.6

3.6

4.9

8.4

17.3

5.5

68.7

31.2

350

 

67.8

2.4

3.5

5.9

18.2

5.3

70.6

37.1