Table 1 Component analysis of the RCF pulps fractionated by different ratios of 2-PrOH:H2O
2-PrOH:H2O ratios (v/v) | Solid recovery (wt%) | Glucan (wt%) | Xylan (wt%) | Acid-soluble lignin (wt%) | Acid-insoluble lignin (wt%) | Glucan recovery (%) | Xylan recovery (%) | Delignification (%) |
|---|---|---|---|---|---|---|---|---|
1:9 | 47.85 ± 1.25 | 73.06 ± 4.98 | 1.01 ± 0.084 | 3.55 ± 0.11 | 15.33 ± 0.23 | 98.63 ± 6.72 | 1.37 ± 0.114 | 65.99 ± 0.78 |
3:7 | 47.91 ± 0.46 | 79.66 ± 2.55 | 2.77 ± 0.084 | 4.99 ± 0.13 | 9.00 ± 0.31 | 96.64 ± 3.09 | 3.36 ± 0.102 | 81.62 ± 0.54 |
5:5 | 49.94 ± 0.98 | 75.88 ± 5.05 | 4.99 ± 0.066 | 6.60 ± 0.10 | 8.00 ± 0.11 | 93.83 ± 6.24 | 6.17 ± 0.082 | 82.60 ± 0.32 |
7:3 | 57.96 ± 2.78 | 72.67 ± 5.46 | 5.01 ± 0.32 | 6.99 ± 0.24 | 14.33 ± 0.16 | 93.63 ± 7.03 | 6.37 ± 0.407 | 67.48 ± 0.44 |
9:1 | 53.98 ± 2.11 | 71.10 ± 1.84 | 2.15 ± 0.44 | 4.22 ± 0.27 | 16.00 ± 0.20 | 97.06 ± 2.51 | 2.94 ± 0.602 | 53.98 ± 0.57 |