Table 5.
Definitive screening design optimized parameters.
| Initial Setting | Factors |
Yields (%) |
D | ||||||
|---|---|---|---|---|---|---|---|---|---|
| T8 (min) | CC9 (%) | ET10 (v/v) | Tp11 (0C) | A12 (rpm) | Yield | Lower CI | Upper CI | ||
| IP. | 65 | 2.75 | 15 | 61 | 875 | 92.03 | 91.93 | 92.13 | 0.50 |
| Md | 80 | 5 | 10 | 45 | 1000 | 94.90 | 94.63 | 95.17 | 0.97 |
| EV | 80 | 5 | 10 | 45 | 1000 | 94.85 | 94.83 | 94.9 | 0.98 |
IP; Initial prediction, Md; maximizing desirability, EV; Experimental value, D; desirability.
8
Reaction time
9
Catalyst concentration
10
Ethanol to oil ratio
11
Reaction temperature
12
Agitation rate