Table 2.
Product distribution for the etherification of glycerol with 1-butene on Amberlyst-15 and S-200 catalysts [glycerol : 1-butene = 1 : 4, catalyst 10 wt% based on glycerol, at 100°C].
| Time (h) |
Conversion (%) | Selectivity (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Amb-15 | S-200 | Amb-15 | S-200 | |||||||||
| 1-MBGE | 2-MBGE | 1,3-DBGE | 1,2-DBGE | Dimer | 1-MBGE | 2-MBGE | 1,3-DBGE | 1,2-DBGE | Dimer | |||
| 8 | 24.76 | 0 | 19.78 | 3.23 | 0 | 0 | 1.75 | 0 | 0 | 0 | 0 | 0 |
| 16 | 46.87 | 9.62 | 34.85 | 3.86 | 3.60 | 2.64 | 1.92 | 6.86 | 1.94 | 0 | 0 | 0.82 |
| 24 | 58.83 | 15.57 | 46.01 | 7.28 | 1.46 | 1.70 | 2.38 | 11.77 | 2.19 | 0 | 0 | 1.61 |
| 40 | 78.71 | 21.58 | 53.73 | 8.09 | 5.53 | 6.57 | 4.79 | 16.15 | 2.88 | 0.38 | 0.28 | 1.89 |
| 48 | 80.45 | 22.72 | 49.43 | 5.52 | 10.55 | 10.06 | 4.89 | 16.42 | 2.99 | 0.38 | 0.29 | 2.64 |
| 72 | 100 | 38.99 | 66.29 | 7.80 | 9.71 | 10.89 | 5.31 | 28.19 | 4.35 | 1.48 | 1.27 | 3.70 |
Data are shown as the mean ± 1.05 SD derived from 3 independent samples.