Table 5 ANOVA results for the Response Surface Model (RSM) of lignin reduction in acid pre-treated paddy straws
Source | Sum of squares | df | Mean square | F value | p value | |
|---|---|---|---|---|---|---|
Model | 47.40 | 9 | 5.27 | 21.56 | 0.0017 | Significant |
A-Acid Conc | 5.66 | 1 | 5.66 | 23.17 | 0.0048 | |
B-Time | 2.39 | 1 | 2.39 | 9.77 | 0.0261 | |
C-temperature | 1.92 | 1 | 1.92 | 7.86 | 0.0378 | |
AB | 0.3136 | 1 | 0.3136 | 1.28 | 0.3086 | |
AC | 2.61 | 1 | 2.61 | 10.68 | 0.0223 | |
BC | 3.05 | 1 | 3.05 | 12.46 | 0.0167 | |
A2 | 6.89 | 1 | 6.89 | 28.19 | 0.0032 | |
B2 | 8.58 | 1 | 8.58 | 35.11 | 0.0020 | |
C2 | 14.72 | 1 | 14.72 | 60.25 | 0.0006 | |
Residual | 1.22 | 5 | 0.2443 | |||
Lack of fit | 0.7203 | 3 | 0.2401 | 0.9579 | 0.5472 | Not significant |
Pure error | 0.5013 | 2 | 0.2506 | |||
Cor Total | 48.62 | 14 |