Table 2 Parameters of cellulosic pulp production from the selected materials
Biomass | Dose of bases A cz (%) | T (°C) | Alkali consumption (%) relative to the dose applied | Pulp yield (%) | Uncooked fraction (%) | Kappa number |
|---|---|---|---|---|---|---|
Pine (Pinus sylvestris) | 22 | 172 | 96.9 | 40.4 | 11.8 | 31.4 |
Birch (Betula pendula) | 20 | 165 | 94.5 | 53.1 | 4.8 | 28.3 |
Beech (Fagus sylvatica) | 20 | 165 | 94.0 | 49.5 | 4.4 | 25.8 |
Poplar (Populus tremula) | 20 | 160 | 84.4 | 52.3 | 1.5 | 15.4 |
Straw (Triticum aestivum L.) | 18 | 160 | 96.6 | 52.3 | 4.8 | 30.8 |
Hemp–harl (Cannabis sativa L.) | 15 | 140 | 99.6 | 68.7 | 3.5 | 100 |
Hemp–bast (Cannabis sativa L.) | 15 | 140 | 98.4 | 86.2 | 0 | 11 |