Table 1 Catalytic performance for CO2 conversion over catalysts

From: Stabilized Fe7C3 catalyst with K–Mg dual promotion for robust CO2 hydrogenation to high-value olefins

Catalysts

Phase Composition [wt%]

CO2 Conversion [%]

C1 sel.[mol%]

C2-4 sel. [mol%]

C5+ sel. [mol%]

C2-4 O/P

C2+= sel. [mol%]

CO

CH4

Fe

80%Fe3O4-19%Fe7C3

33.7

9.1

50.6

33.6

6.7

1.4

23.9

FeMg

74%Fe3O4-24%Fe7C3

34.0

8.0

47.5

36.2

8.3

1.2

25.8

FeK

46%Fe3O4-53%Fe7C3

35.9

28.6

12.9

36.4

22.1

6.6

49.2

FeKMg

98%Fe7C3

41.5

12.4

10.5

37.4

39.6

7.9

67.1

  1. Reaction conditions: 340 °C, 2 MPa, 0.1 g catalyst, GHSV = 6 L·gcat−1·h−1, H2/CO2 = 3.
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