The second step of this process is to convert the holocellulose
to cellulose using mercerization at room temperature. The holocellulose obtained from previous step was added with
80 mL of 17.5% NaOH and the mixture was thoroughly stirred with glass rod. After that, for every 5 min intervals,
another 40 mL of NaOH solution was added into the mixture for 3 times. The mixture was allowed to stand for
30 min, making the total time for NaOH treatment was 45 min and then 240 mL of distilled water was added to the
mixture and allowed to standing for 1 h before filtering. Next, 800 mL of 8.3% NaOH solution was added into
cellulose for 5 min and rinsed with water. Then alkaline cellulose was neutralized by adding 120 mL of 10% acetic
acid. Subject the cellulose in acid treatment for 5 min. Finally, the cellulose was filtered, washed, and rinsed with