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Table 4 Results of 2,6-DMP synthesis from mixture phenol:methanol:water in molar ratio 1:5:1

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

Temperature of bed Conversion of phenol [%] Selectivity of 2,6-DMP [%] Selectivity of o-krezol [%] Yield of 2,6-DMP [%]
310°C 63.50 25.56 73.05 15.62
320°C 76.06 38.57 60.49 29.84
330°C 86.19 54.72 44.23 48.03
340°C 90.18 64.08 34.42 60.39
350°C 92.17 65.58 31.63 62.90
360°C 93.63 64.08 31.19 56.62
370°C 92.83 56.69 36.79 49.05
  1. Feed flows: 64.1 mmol/h of phenol, 320.5 mmol/h of methanol and 64.1 mmol/h of water, Pressure: 1 atm.