Table 1 Loss of hydrocarbons from a heating oil in the presence of P.aeruginosa ATCC 55925 without and with biosurfactant at different times
H.C. a | Demonstrable degradation of hydrocarbon without biosurfactantc (%) | Demonstrable degradation of hydrocarbon with biosurfactantc (%) | ||
|---|---|---|---|---|
Day | 5 | 20 | 5 | 20 |
A (C11) | 0 ± 0 | 6 ± 1 | 10 ± 0 | 49 ± 2 |
B (C12) | 7 ± 1 | 34 ± 3 | 31 ± 2 | 73 ± 3 |
C (C13) | 25 ± 1 | 50 ± 5 | 59 ± 2 | 85 ± 1 |
F (C14) | 29 ± 2 | 73 ± 4 | 80 ± 5 | 99 ± 0 |
Hb | 3 ± 0 | 14 ± 1 | 60 ± 3 | 100 ± 0 |
I (C15) | 23 ± 2 | 85 ± 3 | 80 ± 3 | 99 ± 1 |
J (C16) | 38 ± 0 | 79 ± 2 | 77 ± 3 | 99 ± 1 |
Kb | 13 ± 2 | 19 ± 0 | 57 ± 3 | 100 ± 0 |
L(C17) | 39 ± 3 | 97 ± 4 | 79 ± 2 | 99 ± 0 |
Mb | 6 ± 0 | 31 ± 2 | 53 ± 2 | 100 ± 0 |
N(C18) | 29 ± 4 | 97 ± 6 | 75 ± 6 | 99 ± 1 |
Ob | 5 ± 0 | 18 ± 2 | 60 ± 3 | 100 ± 0 |
P(C19) | 28 ± 1 | 100 ± 0 | 74 ± 6 | 100 ± 0 |
Q(C20) | 24 ± 6 | 100 ± 0 | 67 ± 5 | 100 ± 0 |
R(C21) | 30 ± 2 | 100 ± 0 | 74 ± 4 | 100 ± 0 |