Etherification of Glycerol with Propylene or 1-Butene for Fuel Additives

Table 4

Octane number of gasoline after adding 10% of the oxygenated additives.

Fuel	Density (g/cm^3)	RON	MON
Gasoline	0.7553	81.1	91.0
Gasoline + ethanol	0.7504	84.4	94.4
Gasoline + MTBE	0.7497	85.4	96.5
Gasoline + PGEs	0.7585	81.6	94.0
Gasoline + TPGE	0.7578	82.1	93.6
Gasoline + BGEs	0.7603	84.4	98.1

Data are shown as the mean ± 0.23 SD derived from 3 independent samples.