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Table 2 pH and sulfate concentration measurements

From: Characterization of sulfur oxidizing bacteria related to biogenic sulfuric acid corrosion in sludge digesters

Digester

Sample No.

Incubation time [d]

pH value

Final sulfate concentration [mmol/L]

A

A

1

2

13

13

2.0

2.0

14

16

B

B

3

4

14

14

2.0

2.0

14

21

D

D

D

5

6

7

14

22

14

2.0

1.5

1.5

19

30

52

E

E

E

E

E

8

9

10

11

12

21

14

6

6

8

2.0

2.0

1.5

1.5

1.0

12

17

33

50

87

F

F

F

13

14

15

14

14

14

2.0

2.0

2.0

10

11

13

  1. Analyses were performed in selected mixed enriched batch cultures after 6–22 days of incubation. DSMZ medium 35 (A. thiooxidans medium) with an initial pH value of 4.5 and elemental sulfur as sole energy source was used as culture medium
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BMC Microbiology

ISSN: 1471-2180

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