Table 3 The FTS catalytic performance and product distributions of the granular catalytic system with different dilution ratios of catalyst and SiC media.

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

Dilution ratio

CO conv. (%)

Product selectivity (%)a

Oil phase selectivity (%)

Solid product (g)

Gas product (g)

Oil product (g)

Water product (g)

Mass balanceb (%)

CH4

CO2

C2H6

C5+

C5-11

C12-20

C21+

1:0.0

73.22

18.96

7.66

1.17

72.20

ND

ND

ND

0.36 (4.45 wt%)

3.59 (44.95 wt%)

ND

4.05 (50.60 wt%)

65.01

1:1.0

81.58

7.21

2.70

0.81

89.28

47.44

51.43

1.13

0.36 (3.46 wt%)

1.42 (13.63 wt%)

0.36 (3.46 wt%)

8.30 (79.45 wt %)

70.42

1:1.3

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

1:2.0

87.47

2.99

1.08

0.42

95.51

71.15

28.72

0.13

0.06 (0.66 wt%)

0.60 (6.84 wt%)

0.55 (6.27 wt%)

7.60 (86.22 wt%)

58.40

  1. aCalculated from carbon deposits, bCalculated from mass balance, FTS condition: CO/H2 = 1/2 molar ratio, T = 220 °C, P = 20 bar, Time = 8 h, (granular Co/SiO2: SiC = 1:0, 1:1.0, 1:1.3, and 1:2.0).
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