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Table 1 Biofilm steady-state results measured during fermentation tests carried out with glucose, xylose, and GAX media

From: Continuous succinic acid fermentation by Actinobacillus succinogenes in a packed-bed biofilm reactor

Medium

D

h−1

SA

g L−1

ξ S %

Y SA/S

gSA g −1 S

χ SA

g g−1

Glucose

0.5

43

88

0.98

0.94

0.64

37.5

81.9

1.03

0.92

0.74

40.1

77.1

1.02

0.91

0.8

31

63.2

1.04

0.97

0.84

31

62.7

0.97

0.91

0.94

31.3

58.4

1.05

0.88

1.04

21.5

60.8

0.86

0.85

1.24

20.1

57.9

0.66

0.83

1.44

17.6

35

0.96

0.9

1.54

17.7

38.8

0.93

0.92

1.7

19.6

37.2

1.05

0.93

1.9

18.6

34

1.09

0.9

2.1

14.8

29.8

0.94

0.9

2.2

13.7

24.9

1.09

0.91

2.3

11.6

25.3

0.97

0.92

2.4

9.5

21

0.9

0.92

Xylose

0.5

12.1

37.3

0.81

0.67

0.6

11

29.8

0.92

0.73

0.7

8.7

28.8

0.76

0.64

0.8

8.2

31.1

0.63

0.62

0.9

8

25

0.8

0.75

1.04

7.1

19.2

0.93

0.73

1.24

4.6

16.5

0.7

0.71

1.44

3.3

2.2

0.67

0.58

GAX

0.7

20.5

45.6

0.56

0.85

0.75

19.5

46

0.55

0.84

0.8

17.1

39

0.57

0.87

1

18

35.5

0.65

0.85

1.24

12.1

23.5

0.64

0.88

1.44

11.1

16.2

0.88

0.89

  1. Total sugar concentration: glucose, 50 g L−1; xylose, 40 g L−1; GAX 80 g L−1