Skip to main content

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.