Experimental Study of Biodegradation of Ethanol and Toluene Vapors

Biomass and benzyl alcohol
concentrations, g/L
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0 10 20 30 40 50
Time, h
X (S0=2.1 g/L) S (2.1 g/L) X (S0=2.8 g/L)
S (2.8 g/L) X (S0 = 4.0 g/L) S (4.0 g/L)
Figure 4-9b. Batch growth on benzyl alcohol at different initial concentrations of
2.1 g/L to 4.0 g/L
Specific growth rate, h -1
0.5
0.4
0.3
0.2
0.1
0
0 1 2 3 4 5
Benzyl alcohol concentration, g/L
Experimental data
Best-fit Eq.(4-10)
Figure 4-10 Inhibitory Effect of benzyl alcohol on growth of P. putida (ATCC23973)
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