Table 1 Parameters estimated by a first-order kinetic model, a modified Gompertz model, and a Cone model
From: Carbon migration and metagenomic characteristics during anaerobic digestion of rice straw
Degree of anaerobic digestion | Model | Parameter | Accuracy of the model | ||||||
|---|---|---|---|---|---|---|---|---|---|
Pm/g | Rm/g | k/d−1 | λ/d | n | R2 | RMSPEa/g | AICb | ||
Degree of hydrolysis | First-order kinetic | 46.8 | – | 0.21 | – | – | 0.9364 | 36.24 | 46.01 |
modified Gompertz | 45.67 | 21.99 | – | 0.17 | – | 0.9128 | 36.57 | 48.48 | |
Cone | 53.49 | – | 0.26 | – | 0.97 | 0.9605 | 9.93 | 34.14 | |
Degree of gasification | First-order kinetic | 58.67 |  | 0.04 | – | – | 0.9947 | 31.83 | 44.58 |
modified Gompertz | 49.54 | 4.50 | – | 0.46 | – | 0.9891 | 35.73 | 48.22 | |
Cone | 71.56 | – | 0.04 | – | 1.18 | 0.9934 | 4.35 | 25.07 | |