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Table 4 The ratio of butyrate to acetate in three-stage continuous fermentations

From: Kinetics-based development of two-stage continuous fermentation of 1,3-propanediol from crude glycerol by Clostridium butyricum

Sf

\(D_{1}\)

Butyrate/acetate

(g/L)

(h−1)

First stage

Second stage

Third stage

90

0.222

1.38

2.43

3.13

0.256

1.47

2.20

2.82

0.279

1.14

1.88

2.49

0.321

1.13

1.50

2.00

110

0.148

1.69

2.61

2.82

0.167

2.37

3.20

3.96

0.173

1.11

1.93

2.30

0.200

1.07

1.75

2.12

130

0.143

3.20

3.86

3.72

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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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