Table 1. Physical Parameters of Different Lignin Samples.
| lignin sample | lignin content (%) | water content (%) | glucose content (%) | xylose content (%) | sulfur (%) | ash (%) | Mw | CLL |
|---|---|---|---|---|---|---|---|---|
| dealkaline lignin (DL) | 87.97 | 2.35 | 1.24 | 0.93 | 1.42 | 2817 | 0.97 | |
| industrial lignin (IL) | 86.33 | 3.22 | 1.370 | 0.55 | 4.01 | 2674 | 0.99 | |
| wheat straw lignosulfonic acid sodium (WSL) | 81.32 | 1.56 | 1.10 | 2.12 | 7.12 | 1.72 | 2683 | 0.97 |
| Masson’s pine sodium lignin sulfonate (MPL) | 78.57 | 2.21 | 2.29 | 3.35 | 8.33 | 2.31 | 2560 | 0.96 |