Electronic Journal of Biotechnology ISSN: 0717-3458
  © 2005 by Universidad Católica de Valparaíso -- Chile
Vol. 8 No. 3, Issue of December 15, 2005
 

Table 2. Reactor performance during operation.

Period (d)

OLR

(gCOD/L·d)

HRT

(h)

LRDTPA

(gDTPA/L·d)

pH effluent

Total alkalinity
(mgCaCO3)

Alkalinity ratio

Removal

 COD (%)
 BOD5 (%)
DTPA (%)

1-64

0.17

0.23-0.08

34.6

43.1-25.4

0.07

0.09-0.05

8.7

9.0-8.2

2000

2025-1550

0.19

0.22-0.18

52.6

63.1-15.2

95.0

97.9-90.1

5.28

19.8- -14.5

65-116

0.44

0.43-0.24

16.2

21.3-14.5

0.13

0.18-0.07

8.5

8.9-8.1

1954

1900-1954

0.13

0.14-0.08

52.4

77.2-47.6

94.4

97.6-90.4

0.05

30.4- -49.8

117-200

1.4

1.23-0.98

6.2

6.9-5.5

0.28

0.50-0.12

8.1

8.6-7.6

1825

2050-1625

0.24

0.30-0.16

59.0

67.6-51.2

94.7

98.1-94.7

-26.16

9.4- -68.0


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