Official Journal of the Japan Wood Research Society
Table 5 Properties of E. globulus soda-AQ TCF-bleached pulp, with or without ClO2 in Psa stage
Bleaching sequence | AA dosagea (%) | Viscosity (mPa s) | Brightness (%ISO) | Glucan (%) | Xylan (%) | α-Celloluse (%) | Ash content (%) |
|---|---|---|---|---|---|---|---|
O-Psa-Ep-Psa-Ep b | 15 | 6.3 | 88.1 | 94.0 | 4.9 | 92.9 | 0.1 |
O-Psa-Ep-Psa-Ep b | 18 | 6.0 | 88.4 | 95.4 | 2.5 | 94.0 | 0.1 |
O-mPsa-Ep-Psa-Ep c | 18 | 6.6 | 90.2 | 95.5 | 2.8 | 94.1 | 0.1 |
O-mPsa-Ep-mPsa-Ep d | 18 | 7.2 | 90.5 | 95.9 | 3.1 | 94.6 | 0.1 |