Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2003 by Universidad Católica de Valparaíso -- Chile
Vol. 6 No. 3, Issue of December 15, 2003 
 

Table 2. Codified values of the variables for the experimental design.


Run

Aeration rate

Agitation rate

Impeller height

1

-1 (1 vvm)

-1 (500 rpm)

-1 (8 cm)

2

1 (3 vvm)

-1

-1

3

-1

1 (900 rpm)

-1

4

1

1

-1

5

-1

-1

1 (12 cm)

6

1

-1

1

7

-1

1

1

8

1

1

1

9

-a (0.3 vvm)

0 (700 rpm)

0 (10 cm)

10

a (3.7 vvm)

0

0

11

0 (2.0 vvm)

-a (370 rpm)

0

12

0

a (1040 rpm)

0

13

0

0

-a (6.7 cm)

14

0

0

a (13.4 cm)

15

0

0

0

15a

0

0

0

15b

0

0

0


Supported by UNESCO / MIRCEN network