From: Unraveling the structure of sugarcane bagasse after soaking in concentrated aqueous ammonia (SCAA) and ethanol production by Scheffersomyces (Pichia) stipitis
Factors
Lower level
Mid-point
Higher level
Ammonia concentration (%Â v/v)
20
24
28
Temperature (°C)
50
60
70
Time (h)
8
16