Figure 5. Individual effects of reaction parameters toward diglycerol in solventless etherification of glycerol: (a) reaction time, (b) reaction temperature, (c) amount of catalyst

From

Selective Etherification of Glycerol over Heterogeneous Mixed Oxide Catalyst: Optimization of Reaction Parameters

Zahra Gholami, Ahmad Zuhairi Abdullah, Keat Teong Lee

Chemical Engineering and Science. 2013, 1(4), 79-86 doi:10.12691/ces-1-4-6