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

Table 2. Operation periods for the EGSB reactor, with desorption column.

Operation period

SO4-2 (mg/l)

pH

COD/SO4-2

Sulphate loading rate

(g/Ld)

15

900

7.5

4.7

3.6

16

900

7.0

4.7

3.6

17

900

6.5

4.7

3.6

18

1600

7.5

2.6

6.5

19

1600

7.0

2.6

6.5

20

1600

6.5

2.6

6.5

21

2100

7.5

2.0

8.5

22

2100

7.0

2.0

8.5

23

2100

6.5

2.0

8.5

VS was kept at 8.5 m/h

 

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