Research Article
Consecutively Preparing D-Xylose, Organosolv Lignin, and Amorphous Ultrafine Silica from Rice Husk
Table 3
Analysis of L9(3)4 orthogonal test results.
| | Number | () Ethanediol concentration | () Ratio of residue 1 to ethanediol | () Time | () Temperature | The yield of lignin |
| | 1 | 1 | 1 | 1 | 1 | 10.64 | | 2 | 1 | 2 | 2 | 2 | 16.01 | | 3 | 1 | 3 | 3 | 3 | 24.01 | | 4 | 2 | 1 | 2 | 3 | 26.78 | | 5 | 2 | 2 | 3 | 1 | 18.86 | | 6 | 2 | 3 | 1 | 2 | 28.27 | | 7 | 3 | 1 | 3 | 2 | 33.60 | | 8 | 3 | 2 | 1 | 3 | 34.47 | | 9 | 3 | 3 | 2 | 1 | 18.09 | | K1 | 16.89 | 23.67 | 24.46 | 15.86 | | | K2 | 24.64 | 23.11 | 20.29 | 25.96 | | | K3 | 28.72 | 23.46 | 25.49 | 28.42 | | | 11.83 | 0.56 | 5.20 | 12.56 | |
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