Table 2 Factors affecting the transesterification reaction for biodiesel production.
From: Valorization of marble sludge waste in biodiesel production using a central composite design
Factors | Ranges | |
|---|---|---|
Minimum | Maximum | |
A: Reaction time (h) | 1 | 4 |
B: Reaction temperature (℃) | 50 | 70 |
C: Methanol-to-oil molar ratio (M/O) | 5 | 20 |
D: Catalyst concentration (wt%) | 1 | 5 |
