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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.