Optimization of Crude Oil and PAHs Degradation by Stenotrophomonas rhizophila KX082814 Strain through Response Surface Methodology Using Box-Behnken Design

Table 8

Validation of crude oil degradation by GC/MS analysis after treatment with S. rhizophila (PM-1) KX082814 on 15th day.

Major components of crude oil GC/MS				Major residual components of crude oil after treatment
Peak	R. time	Linear & branched	% area	Peak	R. time	Linear & branched	% area
1	7.447	C10H22	2.19	1	22.97	C14H30	6.4
2	10.113	C11H24	3.18	2	25.20	C16H34	7.7
3	11.625	C16H33Cl	0.63	3	29.35	C16H34	8.29
4	12.877	C12H26	4.96	4	33.13	C16H34	7.53
5	15.592	C13H28	7.4	5	36.59	C16H34	5.85
6	19.728	C16H34	2.41	6	38.21	C16H34	4.2
7	20.682	C15H32	8.66	7	31.28	C21H44	8.02
8	23.035	C16H34	8.56	8	17.55	C8H17I	0.69
9	25.273	C20H42	8.41	9	41.28	C9H19I	1.77
10	27.392	C18H38	7.6	10	29.20	C11H24	1.43
11	29.413	C18H38	7.03	11	18.15	C12H26	2.66
12	34.932	C24H50	3.68	12	27.52	C12H26	4.61
13	36.617	C24H50	2.61	13	39.77	C13H28	3.23
14	38.234	C24H50	1.74	14	25.32	C20H42	10.23
15	39.790	C27H56	1.17	15	27.33	C20H42	7.13
16	41.291	C27H56	0.67	16	34.89	C20H42	6.89
17	42.739	C27H56	0.55	17	42.73	C6H14	1.01
18	44.137	C27H56	0.34	18	26.53	C11H24	0.64
19	45.485	C27H56	0.25	19	21.89	C12H26	0.63
20	46.792	C28H58	0.15	20	30.72	C12H26	0.71
21	48.057	C34H70	0.14
22	8.046	C11H24	0.86
23	11.743	C12H26	0.18
24	11.859	C12H26	0.4
25	13.242	C13H28	0.87
26	14.287	C13H28	0.09
27	14.336	C13H28	0.02
28	24.106	C18H38	2.83
29	25.390	C19H40	6.38
30	27.561	C20H42	2.91