Research Article

Catalytic Synthesis of Glycerol tert-Butyl Ethers as Fuel Additives from the Biodiesel By-Product Glycerol

Figure 2

Influence of the different catalysts on glycerol conversion. Reaction conditions: 70°C, TBA to glycerol molar ratio = 4 : 1, catalyst loading = 7.5 wt.% to glycerol, and 8 hours.