Table 2 The FTS catalytic performance and product distributions of the structured and the packed bed catalyst system.

From: The improvement of heat transfer using Co/SiO2 spiral structured catalyst for green diesel production by Fischer–Tropsch synthesis

Reactor system

CO conv. (%)a

Product selectivity (%)a

Oil phase selectivity (%)

Solid producta (g)

Gas product (g)

Oil product (g)

Water product (g)

Mass balanceb (%)

CH4

CO2

C2H6

C5+

C5-11

C12-20

C21+

SCS_spiral-type catalyst

79.41

7.70

3.50

0.96

87.83

35.38

63.71

0.92

0.23 (2.68 wt%) b

1.69 (19.51wt%)

0.09 (1.04 wt%)

6.67 (76.77 wt%)

62.67

SCS_plate-type catalyst

77.82

8.25

3.63

1.02

87.10

ND

ND

ND

0.18 (2.04 wt%)

1.88 (21.46 wt%)

ND

6.69 (76.50 wt%)

61.05

PCS_SiC media catalyst

81.57

3.01

0.82

0.44

95.73

46.55

53.10

0.36

0.66 (5.58 wt%)

0.54 (4.79 wt%)

1.42 (12.47 wt%)

8.73 (76.88 wt %)

71.37

PCS_Al chips media catalyst

82.47

3.99

1.29

0.64

94.09

65.39

34.32

0.29

0.18 (1.68 wt%)

0.83 (7.64 wt%)

0.71 (6.62 wt%)

9.08 (84.07 wt%)

66.75

  1. SCS structured catalytic system, PCS packed bed catalytic system. aCalculated from carbon deposits. bCalculated from mass balance, FTS condition: CO/H2 = 1/2 molar ratio, T = 220 °C, and P = 20 bar, Time 8 h.