Table 6 ANOVA value obtained from orthogonal design employed in optimization of lignin fractionation yield during ethanol extraction of steam-exploded wheat straw
From: Multilevel composition fractionation process for high-value utilization of wheat straw cellulose
Factor | Sum of squares | Degree of freedom | Mean square | Freedom ratio | P value |
|---|---|---|---|---|---|
Corrected model | 206.775 | 9 | 22.975 | 4.854 | 0.034 |
X1 | 39.842 | 3 | 13.281 | 2.806 | 0.131 |
X2 | 94.012 | 3 | 31.337 | 6.621 | 0.025 |
X3 | 72.921 | 3 | 24.307 | 5.135 | 0.043 |
Error | 28.399 | 6 | 4.733 | Â | Â |
Corrected total | 235.174 | 15 | Â | Â | Â |