Table 1 Maximum glucan recoveries and glucose yields by H 2 SO 4 and NaOH batch reactions
From: Optimization of NaOH-catalyzed steam pretreatment of empty fruit bunch
Temp. (°C) | Concentration of H2SO4(%) | Concentration of NaOH (%) | ||||
|---|---|---|---|---|---|---|
0.2 | 0.5 | 0.8 | 1.5 | 3.0 | 4.5 | |
140 | 95.5a / 53.1b | 94.2 / 54.3 | 93.0 / 55.6 | 98.1 / 50.4 | 97.3 / 51.6 | 97.0 / 50.0 |
160 | 90.1 / 58.8 | 88.6 / 60.3 | 85.3 / 61.7 | 94.5 / 56.6 | 94.3 / 58.7 | 94.2 / 61.6 |
180 | 77.4 / 62.8 | 75.8 / 63.1 | 71.6 / 63.9 | 89.3 / 67.3 | 89.1 / 71.5 | 87.6 / 73.2 |
200 | 69.9 / 69.4 | 68.0 / 72.6 | 63.2 / 73.4 | 88.0 / 78.1 | 87.4 / 81.4 | 87.1 / 78.5 |