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Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2008 by Universidad Católica de Valparaíso -- Chile
Vol. 12 No. 2, Issue of April 15, 2009
 

Table 4. Average values of influent and effluent TKN concentrations (mg Kjeldahl-N l-1) and removal efficiencies (%) in the GCC and UASB reactors.


 

Phase

Influent

Effluent

Removal efficiency

GCC

I (n = 8)

45 ± 2

21 ± 3

55 ± 6

II (n = 12)

51 ± 3

22 ± 4

57 ± 9

III (n = 12)

55 ± 2

24 ± 2

57 ± 4

IV (n = 13)

50 ± 3

21 ± 4

57 ± 9

Average (n = 45)

51 ± 4

22 ± 3

57 ± 7

UASB

I (n = 8)

45 ± 2

40 ± 2

10 ± 4

II (n = 12)

51 ± 3

45 ± 3

12 ± 4

III (n = 12)

55 ± 2

47 ± 6

16 ± 9

IV (n = 13)

50 ± 3

36 ± 3

26 ± 7

Average (n = 45)

51 ± 4

42 ± 6

17 ± 9

 


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