Table 2.
Chemical components of mengkuang pulp after LHW pretreatment.

Temperature (°C) Duration (minutes) Alpha cellulose (%) Hemicellulose (%) Klason Lignin (%) Acid Soluble Lignin (%) Lignin Total (%)
Control 0 77.89 10.32 9.79 2.01 11.80
140 20 67.60 9.59 7.70 0.67 8.37
30 73.32 9.06 6.67 1.29 7.96
40 66.23 9.25 7.08 0.77 7.85
160 20 68.97 8.96 7.76 0.69 8.45
30 77.45 9.93 6.32 1.50 7.82
40 67.45 9.93 8.01 0.75 8.76
180 20 67.23 5.90 7.94 0.63 8.57
30 76.24 9.77 6.65 1.08 7.73
40 62.40 7.02 8.27 0.72 8.99