Table 1 Pulp yield obtained with various NaOH concentrations and boiling times.
Run NaOH (%) Time(h) Fiber yield (%) Solid residue (%) Fiber characteristic
1 20 2 46.06a 5.04a Poor fiber separation
2 20 3 45.98a 5.90a Poor fiber separation
3 25 2 40.98b 6.68a Good fiber separation
4 25 3 40.50b 5.96a Good fiber separation
5 30 2 39.46b 5.90a Good fiber separation
6 30 3 38.26b 5.08a Good fiber separation
SD 1.414
Means in the same row with different letters are significantly different at the 95% level (P < 0.05).