Skip to main content

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
  1. aRoot mean square prediction error
  2. bAkaike information criterion