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Table 1 Taguchi L9 orthogonal array

From: Optimization of cultural conditions for conversion of glycerol to ethanol by Enterobacter aerogenes S012

Experiment

T

A

P

I

1

1

1

1

1

2

1

2

2

2

3

1

3

3

3

4

2

1

2

3

5

2

2

3

1

6

2

3

1

2

7

3

1

3

2

8

3

2

1

3

9

3

3

2

1

  1. aAbbreviations: Gly – glycerol, Suc – succinate, Lac – lactate, Ace – acetate, 1,3-Pdo – 1,3-propanediol, EtOH – ethanol, Ae – aerobic, An – anaerobic, 1dAn – 1 day anaerobic process.
  2. bT1, T2, T3, = 30°C, 35°C, and 40°C; A1, A2, and A3 = 120 rpm, 160 rpm, 200 rpm; P1, P2, and P3 = 6.0, 6.5, 7.0; and I1, I2, I3 = 3%, 4%, 5%.
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