Table 3 Conditions for AFEX C1 and AFEX C2 used in rice straw pretreatment
AFEX parameters | AFEX C1 | AFEX C2 |
|---|---|---|
Pretreatment temperature, T r (°C) | 100 | 140 |
Ratio of ammonia to rice straw (w/w) | 2:1 | 1:1 |
Ratio of moisture to rice straw (w/w, dwb) | 80% | 130% |
Residence time, t (min) | 30 | 50 |
Severity, log R o | 1.48 | 2.88 |