Table 1 The D-E-D bleaching conditions
From: A biorefinery scheme to fractionate bamboo into high-grade dissolving pulp and ethanol
Conditions | D1 | E | D2 |
|---|---|---|---|
Consistency (%) | 10 | 10 | 10 |
Temperature (°C) | 70 | 80 | 80 |
Time (min) | 90 | 60 | 160 |
ClO2 as Cl2 (% of dry weight pulp) | 1.5 | – | 0.5 |
NaOH (% of dry weight pulp) | – | 1.2 | – |
Final pH | 2.2 | 10.8 | 4.2 |