Production of Biodiesel from Nonedible Parkia biglobosa Oil under Acidic Condition

Figure 1

Influence of methanol-to-oil ratio on the production of biodiesel (reaction temperature 60°C, catalyst concentration 1 wt%, and reaction time 1 h); mean with standard deviation values were 78.93  1.18, 85.07  1.16, 90.90  0.7, and 88.70  0.7. Source: lab analysis (2021).