PHA Productivity and Yield of Ralstonia eutropha When Intermittently or Continuously Fed a Mixture of Short Chain Fatty Acids

Table 3

Average growth and nutrient utilization rates of R. eutropha in CCS medium through 48 h in shake flasks.

Maximum cell population (cfu mL^−1)		Maximum growth rate (h^−1)	Ammonia utilization rate; (mg L^−1 h^−1)	Phosphate utilization rate; (mg L^−1 h^−1)
2.6 × 10^9		0.13	1.7	0.022
SCFA utilization rate (g L^−1 h^−1)
Acetic	Butyric	Lactic	Propionic	Succinic
0.033	0.026	0.054	0.010	0.021
SCFA FE (%)
Acetic	Butyric	Lactic	Propionic	Succinic
77.6	76.2	94.2	35.6	62.7