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Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2011 by Universidad Católica de Valparaíso -- Chile
Vol. 14 No. 3, Issue of May 15, 2011
 

Table 3. Maximum specific methanogenic activity (1st and 2nd feeding).



Inoculum

Substrate

% ACm

Type

Concentration
(g VSS/L)

 

1º Feeding

2º Feeding

CODeffluent (%)

CODeffluent (%)

50

100

50

100

Flocculent

2.0

RW

95 ± 1

75 ± 1

90 ± 1

25 ± 1

TW

n.d.

n.d.

n.d.

n.d.

Granular

2.0

RW

38 ± 2

7 ± 2

39 ± 2

7 ± 1

TW

55 ± 2

11 ± 2

62 ± 4

8 ± 1

Flocculent

5.0

RW

66 ± 4

56 ± 1

55 ± 4

45 ± 1

TW

98 ± 2

73 ± 10

90 ± 5

28 ± 1

Granular

5.0

RW

46 ± 1

20 ± 1

59 ± 7

34 ± 1

TW

41 ± 1

25 ± 2

91 ± 9

52 ± 1

n.d.: no determined.