Research Article
Catalytic Synthesis of Glycerol tert-Butyl Ethers as Fuel Additives from the Biodiesel By-Product Glycerol
Figure 7
Influence of temperature on glycerol conversion. Reaction conditions: Amberlyst 15 catalyst = 7.5 wt.% to glycerol, molar ratio = 4 : 1, and 8 hours.