Table 3.
Chemical components of mengkuang pulp after biological-LHW pretreatment.

Temperature (°C) Duration (minutes) Holocellulose (%) Alpha Cellulose (%) Hemicellulose (%) Klason Lignin (%) Acid Soluble Lignin (%) Lignin Total (%)
Control 0 92.14 81.25 10.89 8.97 2.02 10.99
140 140; 20 79.76 69.85 9.91 7.57 0.59 8.16
140; 30 85.58 75.63 9.95 6.34 1.06 7.40
140; 40 76.48 68.13 8.35 6.98 0.68 7.66
160 160; 20 78.98 68.99 9.99 7.06 0.60 7.66
160; 30 88.98 78.99 9.99 6.08 1.35 7.43
160; 40 77.88 67.98 9.90 7.91 0.71 8.62
180 180; 20 75.65 67.02 8.63 7.82 0.54 8.36
180; 30 87.22 77.41 9.81 6.45 1.01 7.46
180; 40 72.85 63.42 9.43 8.09 0.69 8.78