Factors | Codes | Level | ||
−1 | 0 | +1 | ||
Enzyme concentration (% of wet waste) | X1 | 0.1 | 0.3 | 0.5 |
Incubation temperature (°C) | X2 | 20 | 35 | 50 |
Incubation time (mins) | X3 | 60 | 150 | 240 |
Factors | Codes | Level | ||
−1 | 0 | +1 | ||
Enzyme concentration (% of wet waste) | X1 | 0.1 | 0.3 | 0.5 |
Incubation temperature (°C) | X2 | 20 | 35 | 50 |
Incubation time (mins) | X3 | 60 | 150 | 240 |