The elimination capacities (EC),
for BTEX were plotted against their respective pollutant loadings
in Fig. 2. The dotted line represents 100% elimination of the target
pollutant. The data for elimination curves were collected from 69
to 155 days in five distinct phases. Significant variations of the
EC and removal rate were observed in each phases with the change
of influent concentration. It was found almost from Fig. 2(a–d), that
the relationship between inlet load and elimination capacity was
linear until a critical value, after which the EC approached to a
maximum value asymptotically.