Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2006 by Universidad Católica de Valparaíso -- Chile
Vol. 9 No. 4, Issue of July 15, 2006
 

Table 1. Operation periods for the EGSB reactor, without desorption column.

Operation period

SO4-2 (mg/l)

pH

COD/SO4-2

Sulphate loading rate

(g/Ld)

1

150

6.5

28

0.6

2

150

7.0

28

0.6

3

150

7.5

28

0.6

4

350

7.5

12

1.4

5

350

7.0

12

1.4

6

350

6.5

12

1.4

7

600

7.5

7

2.4

8

600

7.0

7

2.4

9

600

6.5

7

2.4

10(*)

600

6.5

7

2.4

11

900

7.5

4.7

3.6

12

900

7.0

4.7

3.6

13

900

6.5

4.7

3.6

14(*)

900

6.5

4.7

3.6

(*) Indicates a VS of 8.5 m/h.
For the rest of the experiments Vs was 6.5 m/h

 

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