INGENIEUR
Run Factor A : Sea Sand , wt %
Factor B : KOH , wt %
1 3 5 45.17 2 5 3 28.63 3 3 3 28.06 4 3 1 69.5 5 1 3 34.33 6 1 5 47.38 7 5 1 63.14 8 3 3 26.84 9 3 3 26.17 10 1 1 76.7 11 5 5 45.8 12 3 3 24.02 13 3 3 28.84
Table 1 : FAME Yield Conversion
FAME Yield Conversion (%)
FAME Conversion = 26.96 – 3.47 * A – 11.83 * B + 3.08 * A 2 + 28.93 * B 2 + 3 * AB where A is sea sand and B is KOH , to produce biodiesel .
Equation 2
Source |
Sum of Squares |
DF |
Square Mean |
F Value |
Prob > F |
Model 3902.83 5 780.57 244.22 < 0.0001 significant A 72.38 1 72.38 22.65 < 0.0021 B 839.93 1 839.93 262.79 0.0001 A2 26.18 1 26.18 8.19 0.0243 B2 2312.20 1 2312.20 723.42 < 0.0001 AB 35.88 1 35.88 11.23 0.0122 Residual 22.37 7 3.20
Lack of Fit |
13.51 |
3 |
4.50 |
2.03 |
0.2517 |
Not |
|
|
|
|
|
|
significant |
Pure Error 8.86 4 2.21 Cor Total 3925.20 12
Table 2 : ANOVA for Response Surface Reduced Quadratic Model
56 VOL 91 JULY-SEPTEMBER 2022