Table 2: Comparison of the aerobic and anaerobic biochemical transformation with metabolic model predictions during high and low aeration epochs.

From: Integrative microbial community analysis reveals full-scale enhanced biological phosphorus removal under tropical conditions

Experimental date or model usedRatio of key constituents1
AnaerobicAerobic
P/HacGly/HAcPHB/HacPHV/HacPHA/HacP/PHAGly/PHA
Experimental
 High Aeration Period
  Date
  29th May0.920.740.510.060.570.670.67
  5th June0.800.630.690.070.760.900.52
  12th June1.010.580.840.130.970.730.60
  19th June0.830.441.300.201.500.730.64
  Mean of period (s.d.)0.89 (0.09)0.60 (0.12)0.83 (0.34)0.11 (0.06)0.95 (0.40)0.76 (0.10)0.61 (0.07)
 Low Aeration Period
  26th June0.820.340.940.171.110.82
  3rd July0.990.390.960.201.160.840.53
  10th July0.860.341.030.181.210.720.49
  16th July0.930.371.010.211.220.750.51
  25th July0.940.440.900.191.091.040.47
  14th August0.810.380.810.191.000.760.65
  Mean of period (s.d.)0.89 (0.07)0.38 (0.04)0.94 (0.08)0.19 (0.01)1.13 (0.08)0.82 (0.12)0.56 (0.09)
Model
 Comeau et al.15 (Anaerobic PAO TCA model)0.500.900.9N/AN/A
 Smolder et al. (1994) (Anaerobic PAO Gly Model)0.50.51.3301.33N/AN/A
 Pereira et al.17 (Anaerobic PAO TCA + Gly Model)0.160.71.020.461.48N/AN/A
 Hesselmann et al.88 (Anaerobic PAO partial TCA + Gly Model)0.370.61.110.291.4N/AN/A
 Yagci et al.87 (Anaerobic PAO partial TCA + Gly Model)2αPAO + 1/2(1-1/(2 + fGLY))1/(2 + fGLY)8/(6 + 3fGLY)2.5/(6 + 3fGLY)N/AN/AN/A
 Smolder et al. (1994) (Aerobic PAO model)N/AN/AN/AN/AN/A0.410.42
 Zeng et al. (2003) (GAO Model)0.001.121.360.461.860.000.65
  1. 1P/HAc, phosphorus/acetate; Gly/HAc, glycogen/acetate; PHB/HAc, poly–hydroxybutyrate/acetate; PHV/HAc, poly-hydroxyvalerate/acetate; PHA/HAc, poly–β–hydroxyalkanoates/acetate; P/PHA, phosphorus/ poly–β–hydroxyalkanoates; Gly/PHA, glycogen/poly–β–hydroxyalkanoates.
  2. 2αPAO is the energy required to transport one C mole of acetate across the cell membrane. fGLY is the fraction of acetyl-CoA going through the glycoxylate pathway to produce reducing power. Values are in C or P mole.