Journal of Catalysts

Review Article

Heterogeneous Tin Catalysts Applied to the Esterification and Transesterification Reactions

Table 9

FFA esterification with methyl alcohol catalyzed by metal oxidesa [34].
EntryCatalystYield (%)
1—32
2Al2O374
3SnO69
4(Al2O3)8(SnO),61
5(Al2O3)8(SnO)2,60
Reaction conditions: methyl alcohol (4 g); fatty acid (10 g), catalyst (0.1 g), temperature (160°C); reaction time (1 hour).