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Table 3 The main product distributions of β-O-4 conversion at different temperature over Ni/CaO–H-ZSM-5(60)

From: Highly selective cleavage C–O ether bond of lignin model compounds over Ni/CaO–H-ZSM-5 in ethanol

Temperature (°C)

Conversion (%)

Selectivity (%)

Ethylbenzene

1-Phenylethanol

Guaiacol

100

16.7

2.8

46.4

49.5

120

77.2

4.0

45.7

49.1

140

100.0

20.3

30.9

47.2

160

93.2

11.0

37.1

50.8

180

66.6

3.3

44.1

52.0

200

46.0

2.8

36.2

61.0

250

65.7

5.6

29.2

64.7

  1. Reaction conditions: β-O-4 (0.61 g, 2.5 mmol), Ni/CaO–H-ZSM-5(60) (0.102 g), ethanol (30 mL), 140 °C, 1 MPa H2, 60 min, stirring at 700 rpm