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Table 2 The specific growth and specific substrate utilization rates of strain Cupriavidus sp. Y-d in the presence of various sulfolane and sulfate concentrations at the different pHs

From: Sulfolane degrading bacteria from petrochemical plant: activated sludge enrichment, isolation and characterization

Sulfolane

(mg L−1)

pH

Sulfatea

(mg L−1)

Specific growth rate

(d−1)

Specific substrate utilization rate (d−1)

1000

6

0

0.07

0.16

1000

7

0

0.23

0.43

1000

8

0

0.32

0.51

1000

9

0

0.25

0.33

500

7

0

0.19

0.48

1000

7

0

0.28

0.49

1500

7

0

0.47

0.54

2000

7

0

0.48

0.59

1000

7

2511

0.23

0.45

1000

7

3020

0.20

0.40

1000

7

3534

0.14

0.34

1000

7

4020

0.11

0.33

  1. aSulfate in the MSM was subtracted at the beginning