Research Article

One-Step Synthesis of CaO-ZnO Efficient Catalyst for Biodiesel Production

Table 1

Percentage of ethyl esters generated by biodiesel synthesis using mixed CaO-ZnO as a catalyst.

Catalyst% EE

Fresh (10%)73 ± 0.5
Fresh (30%)77 ± 0.6
Washed (10%)64 ± 0.7

Reaction conditions: oil/alcohol molar ratio 1 : 40, 60°C, and 800 rpm for 6 hours.