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

Table 2

Full-factorial Box-Behnken Design levels for the four independent variables showing total of 29 sets of experimentation work.

Std	Run	Temp (°C)	pH	Salinity	Inoculum size (ml)
8	1	32.5	8	20	20
16	2	32.5	11	20	12.5
12	3	40	8	12.5	20
18	4	40	8	5	12.5
23	5	32.5	5	12.5	20
6	6	32.5	8	20	5
11	7	25	8	12.5	20
20	8	40	8	20	12.5
14	9	32.5	11	5	12.5
29	10	32.5	8	12.5	12.5
25	11	32.5	8	12.5	12.5
22	12	32.5	11	12.5	5
21	13	32.5	5	12.5	5
19	14	25	8	20	12.5
1	15	25	5	12.5	12.5
28	16	32.5	8	12.5	12.5
13	17	32.5	5	5	12.5
5	18	32.5	8	5	5
10	19	40	8	12.5	5
7	20	32.5	8	5	20
4	21	40	11	12.5	12.5
9	22	25	8	12.5	5
27	23	32.5	8	12.5	12.5
15	24	32.5	5	20	12.5
3	25	25	11	12.5	12.5
24	26	32.5	11	12.5	20
2	27	40	5	12.5	12.5
17	28	25	8	5	12.5
26	29	32.5	8	12.5	12.5