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Table 3 Rice bran oil has been esterified with different amounts of glycerol for the preparation of the corresponding monoglycerides in the presence of SiO2-TiO2 after 6 h (T = 170 °C catalyst = 2 % by weight, 84 % FFAs, 16 % triglycerides)

From: The use of rice bran oil within a biorefinery concept

Entry Catalyst Gly/FFA MonoGly (% mol) %DiGly (% mol) %TriGly (% mol) FFAs Conv  (%)
1 SiO2-TiO2 1.2:1 44.7 55.3 0.0 90.3
2 2nd run   58.8 41.2 0.0 85.4
3 SiO2-TiO2 2:1 43.3 56.7 0.0 95.2
4 SiO2-TiO2 3:1 42.6 57.4 0.0 93.3
5 SiO2-TiO2act.a 1.2:1 32.9 67.1 0.0 93.9
6 SiO2-TiO2act.a 2:1 34.0 57.6 8.4 92.0
  1. aCatalyst calcined at 270 °C before reaction