Table 3 ODH of EB over MgAl2O4 (MA), Co3O4/MgAl2O4 (Co/MA), 15Co3O4/γ-Al2O3 (CA), and 15Co3O4/MgO (CM) samples in CO2 atmosphere.

From: CO2 utilization as a soft oxidant for the synthesis of styrene from ethylbenzene over Co3O4 supported on magnesium aluminate spinel: role of spinel activation temperature

S. No.

Catalyst

XEB (%)a

SST (%)b

Sothers (%)c

1

600MA

29

92

8

2

700MA

35

96

4

3

800MA

42

98

2

4

900MA

23

97

3

5

15Co/600MA

64

94

6

6

15Co/700MA

71

95

5

7

10Co/800MA

63

95

5

8

15Co/800MA

82

98

2

9

20Co/800MA

74

87

13

10

15Co/900MA

56

93

7

11

CA

52

91

9

12

CM

46

98

2

  1. aXEB = conversion of EB.
  2. bSST = selectivity of ST.
  3. cSothers = selectivity of other by-products.
  4. *Reaction conditions: Catalyst = 0.7 g, T = 600 °C, CO2 flow = 30 mL/min, EB flow = 1.5 mL/h.
Back to article page