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Table 1 Model parameters used for acetic, propionic, and butyric acid as well as hydrogen converting populations

From: Intermittent fasting for microbes: how discontinuous feeding increases functional stability in anaerobic digestion

  Yield Y (gCODX gCOD −1S ) Maximum substrate utilization rate km (gCODS gCOD −1X  day−1) Half saturation constant K (gCODS L−1) Decay rate kdec pH inhibition References
Xac,1 0.033 20 0.32 0.02 pH_l = 4; pH_u = 5.5 This study
  0.060 8.95 0.32 0.1 N/A [26]
Xac,2 0.033 14.5 0.09 0.02 pH_l = 6.3; pH_u = 7 This study
  0.042 2.77 0.09 0.0064 N/A [26]
Xh2 0.032 35 7 × 10−6 0.02 pH_l = 5; pH_u = 6 This study
  0.060 35 1 × 10−6 0.02 pH_l = 5; pH_u = 6 [52]
Xpro 0.012 30 0.1 0.02 N/A This study
  0.040 13 0.1 0.02 N/A [52]
XC4 0.012 25 0.2 0.02 N/A This study
  0.060 20 0.2 0.02 N/A [52]
  1. Xac,1 = Methanosarcina, Xac,2 = Methanosaeta, Xh2 = hydrogenotrophic methanogens, Xpro = propionic acid degraders, XC4 = butyric acid degraders, pH_l = lower limit and pH_u = upper limit for pH inhibition