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Table 5 Results of 2,6-DMP synthesis from mixture phenol:methanol:water in molar ratio 1:8:1

From: Selective phenol methylation to 2,6-dimethylphenol in a fluidized bed of iron-chromium mixed oxide catalyst with o-cresol circulation

Temperatur of bed

Conversion of phenol [%]

Selectivity of 2,6-DMP [%]

Selectivity of o-krezol [%]

Yield of 2,6-DMP [%]

310°C

57.94

19.67

75.42

10.60

320°C

68.52

28.27

68.03

19.96

330°C

81.83

43.81

53.43

36.59

340°C

89.14

57.04

39.39

52.04

350°C

92.94

63.48

31.16

59.23

360°C

94.89

61.86

30.07

60.62

370°C

95.43

57.68

32.02

55.23

380°C

94.21

48.63

38.53

43.39

  1. Feed flows: 46.5 mmol/h of phenol, 370.7 mmol/h of methanol and 46.4 mmol/h of water, Pressure: 1 atm.
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BMC Chemistry

ISSN: 2661-801X

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