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Table 2 Degradation of crude oil in cultures of one or both of Alcaligenes sp. CT10 and Pseudomonas sp. ZS1

From: Petroleum degradation by Pseudomonas sp. ZS1 is impeded in the presence of antagonist Alcaligenes sp. CT10

LAH (C#)a RT (min)b Ctl (level)c CT10 (level)d CT10/ZS1 (level)e ZS1 (level)f CT10 (%deg)g CT10/ZS1 (%deg)h ZS1 (%deg)i
9 7.68 8570 0 0 0 100.00 100.00 100.00
10 10.34 9518 1810 393 0 80.98 95.87 100.00
11 13.09 11,662 4742 3503 0 59.34 69.96 100.00
12 15.76 14,531 9192 9351 0 36.74 35.65 100.00
13 18.29 20,599 17,001 18,330 453 17.47 11.02 97.80
14 20.68 23,975 22,193 22,858 598 7.43 4.66 97.51
15 22.94 26,059 25,468 22,826 664 2.27 12.41 97.45
16 25.07 21,935 21,923 19,366 777 0.05 11.71 96.46
17 27.09 21,009 20,503 17,364 309 2.41 17.35 98.53
18 29.02 16,658 16,654 14,154 0 0.02 15.03 100.00
19 30.85 16,659 16,722 15,411 300 − 0.38 7.49 98.20
20 32.59 16,032 15,933 13,415 592 0.62 16.32 96.31
21 34.26 16,938 17,050 13,738 547 − 0.66 18.89 96.77
22 35.85 16,626 16,535 13,159 378 0.55 20.85 97.73
23 37.38 17,060 17,005 13,042 624 0.32 23.55 96.34
24 38.85 15,283 15,178 11,839 428 0.69 22.53 97.20
25 40.27 15,747 15,757 12,688 658 − 0.06 19.43 95.82
26 41.63 14,552 14,426 11,597 447 0.87 20.31 96.93
27 42.94 13,404 13,273 12,236 532 0.98 8.71 96.03
28 44.23 20,840 11,537 10,560 694 44.64 49.33 96.67
29 45.58 10,534 10,344 10,563 723 1.80 − 0.28 93.14
30 47.08 7432 7411 7377 0 0.28 0.74 100.00
31 48.77 6251 6117 6643 0 2.14 − 6.27 100.00
Total LAH.   361,874 316,774 280,413 8724 12.5 22.5 97.6
Total oil   481,954 428,608 374,615 13,911 11.1 22.3 97.1
  1. aLAH (C#) for linear aliphatic hydrocarbons with carbon numbers
  2. bRT for retention time in minute
  3. cctl (level) for levels in control
  4. dCT10 (level) for levels in Alcaligenes sp. culture
  5. eCT10/ZS1 (level) for levels in mixed Alcaligenes sp. and Pseudomonas sp. cultures, respectively
  6. fZS1 (level) for levels in Pseudomonas sp. culture
  7. gCT10 (%deg) for oil degradation rate in Alcaligenes sp. culture
  8. hCT10/ZS1 (%deg) for oil degradation rate in mixed Alcaligenes sp. and Pseudomonas sp. culture
  9. iZS1 (%deg) for oil degradation rate in Pseudomonas sp. culture