TABLE 3.
Biodegradation parameters for aniline in the multicomponent biodegradation test systema
| Parameterb | DOC elimination
|
Oxygen consumption
|
CO2 production
|
|||
|---|---|---|---|---|---|---|
| Biodegradation (%) | μmax (day−1) | Biodegradation (%) | μmax (day−1) | Biodegradation (%) | μmax (day−1) | |
| Mean value | 96.0 | 6.0 | 82.5 | 3.0 | 83.0 | 1.7 |
| CV (%) | 5.4 | 13.2 | 18.0 | 32.4 | 10.4 | 22.1 |
| 95% CIM | 83.0-100.0 | 4.1-8.0 | 70.2-95.3 | 2.2-3.9 | 77.5-90.6 | 1.4-2.0 |
a
The test period was 28 days, and the number of experiments performed was 6. Lag periods were as follows: 2.0 days for DOC elimination, 2.8 days for oxygen consumption, and 3.9 days for CO2 production.
b
CV, coefficient of variation; CIM, confidence interval of the mean.