The results demonstrated that
the consumed hydrocarbons after crude oil biodegradation
by P. aeruginosa, B. subtilis, and A. lwoffi and their mixture
fluctuated from 1.37 to 1.80, 1.14 to 1.38, 1.26 to 1.60, and
1.52 to 1.91 g/L, respectively, while the dry weight fluctuated
from 0.82 to 1.10, 0.69 to 0.88, 0.73 to 0.95, and 0.93 to
1.25 g/L, respectively. The results clearly showed that the
values of consumed hydrocarbons and dry weight increase
gradually with increasing incubation period (as a result
for the biodegradation of crude oil) and their values after
biodegradation by the mixture (combination between the
three strains) were the highest.