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Table 7 2,3-BD fermentation by strain 10-1-A with different agitation speed control strategies

From: A newly isolated Bacillus licheniformisstrain thermophilically produces 2,3-butanediol, a platform and fuel bio-chemical

Control strategy

Glucose consumed

Products (g/L)

Yield

Productivity

(%)

(g/L·h )

 

(g/L)

2,3-BD

AC

Lactic acid

Formic acid

Acetic acid

Ethanol

  

A

189

81.0

0.9

0.8

42

2.2

1.8

85.7

2.3

B

185

45.7

45.1

0

1.2

3.3

0.6

49.4

1.6

C

246

115.7

2.2

0

28.3

4.8

1.1

94.1

2.4

  1. A: the agitation speed was 200 rpm in the course; B: the agitation speed was 400 rpm in the course; C: the agitation speed was 400 rpm in the first 10 h and then decreased to 200 rpm.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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