Table 2 Selective removal of lignin by sodium chlorite oxidative pretreatment and the CAC determined by His6–CBM–GFP2 probe protein based on Langmuir adsorption
Sodium chlorite treating time (h) | Contents of polymeric components | Fitted Langmuir equation parameters and CAC | |||||
|---|---|---|---|---|---|---|---|
Gln (%) | Xln (%) | Lig (%) | Amax (μg/mg) | K p | R 2 | CAC (m2/g) | |
Raw wheat straw | 35.1 ± 1.4 | 25.0 ± 0.8 | 27.9 ± 1.5 | 3.1 ± 0.6 | 0.00332 ± 0.00114 | 0.9547 | 0.6 ± 0.1 |
0.5 | 50.7 ± 0.7 | 28.3 ± 0.2 | 15.7 ± 1.1 | 9.9 ± 1.9 | 0.00183 ± 0.00071 | 0.9589 | 2.0 ± 0.4 |
1 | 51.4 ± 0.5 | 29.6 ± 0.4 | 13.1 ± 0.3 | 16.4 ± 0.9 | 0.00102 ± 0.00015 | 0.9969 | 3.3 ± 0.2 |
2 | 53.1 ± 0.1 | 30.3 ± 0.1 | 10.2 ± 0.9 | 32.6 ± 2.9 | 0.00056 ± 0.00020 | 0.9923 | 6.4 ± 0.6 |
3 | 55.2 ± 1.0 | 31.6 ± 0.2 | 9.3 ± 2.9 | 45.8 ± 4.0 | 0.00054 ± 0.00021 | 0.9931 | 9.0 ± 0.8 |