Table 3 The BMP performance, fitness criterion, and kinetics parameters from the Modified Gompertz during the fourth phase of the AD of glucose at different BC concentrations (letters in superscripts indicate the statistically significant differences p < 0.05).

From: Impact of using glucose as a sole carbon source to analyze the effect of biochar on the kinetics of biomethane production

BC dosage, g/L

Cumulative BMP, mL/g-VS

Fitness criterion

Kinetic model parameters

RSME

R2

AIC

bBMP, mL/g-VS

\({R}_{max}\) mL g-VS/day

k, d−1

λ, day

2

229.76a

5.14

0.99

4732.12

225.04

38.27

0.17

0.42b

4

302.56a

11.31

0.98

6321.89

372.05

47.39

0.12

0.47b

6

334.71b

12.88

0.98

7133.37

381.13

59.95

0.15

0.51b

8

390.33c

11.27

0.98

7021.09

394.16

90.97

0.23

0.10a

0

135.06a

4.73

0.91

4384.94

128.82

26.32

0.20

0.76b